January Weather in Lake Geneva, United States

Last updated: February 24, 2025

January weather in Lake Geneva, United States, presents a striking contrast, with temperatures ranging from a maximum of 14°C (57°F) to a chilling minimum of -32°C (-25°F). On average, residents and visitors can expect temperatures around -5°C (23°F), creating a winter wonderland atmosphere. This month sees approximately 61 mm (2.4 in) of precipitation across 8 days, contributing to the lake's tranquil beauty. With humidity levels peaking at 85%, the air often feels crisp and invigorating, making January a unique time to experience Lake Geneva's serene landscapes.

January Temperature in Lake Geneva

In Lake Geneva, United States, January brings a cold embrace, with temperatures fluctuating from an icy -32°C (-25°F) at night to a maximum of 14°C (57°F) during the day. This stark contrast highlights the seasonal chill that blankets the region, making the average temperature a brisk -5°C (23°F). As the month progresses, temperatures remain on the lower end of the spectrum, but subtle shifts occur; February temperatures drop slightly, reaching a minimum of -33°C (-28°F), with a moderate maximum of 20°C (67°F). It’s clear that winter holds its grip tightly here, with frigid nights and cool daytime highs prevailing. The trend shows a gradual warming as we move into spring—by March, evening lows still reach a chilly -22°C (-8°F). However, average temperatures begin to hover around freezing, providing a glimpse of relief that will continue to rise in the following months.

January Weather in Lake Geneva: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Lake Geneva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec232537465970757266523731
Data source: Temperature data for Lake Geneva generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Lake Geneva

In January, Lake Geneva experiences an average precipitation of 61 mm (2.4 in) over approximately 8 days, setting the tone for a typically wet winter. As the season progresses into February, precipitation slightly decreases to 58 mm (2.3 in), yet the number of rainy days increases to 9. This trend of fluctuating rainfall continues into March, with precipitation rising to 66 mm (2.6 in) over 10 days. The months ahead bring more substantial increases, particularly in April and May, where rainfall swells to 110 mm (4.3 in) and 154 mm (6.0 in) respectively. This suggests a shift towards more sustained and heavy rainfall as spring arrives, with 14 days of precipitation recorded in both months. By analyzing these patterns, it's clear that January serves as a precursor to a wetter and more dynamic spring season in Lake Geneva, where rainfall intensifies before the summer months.

January Precipitation Trends in Lake Geneva

The chart displays monthly precipitation patterns in Lake Geneva, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec61586611015411584911041194952
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Lake Geneva

In January, Lake Geneva experiences a notable humidity level of 85%, creating a chilly yet refreshing atmosphere as winter lingers. This consistent humidity pattern continues through February and March, maintaining the same moisture-rich environment that is characteristic of the season. As spring arrives in April, the humidity remains steady at 85%, hinting at a gradual transition into warmer months. Approaching summer, however, we see a slight dip in humidity, with May averaging 78%, followed by a modest rise to 80% in June and tapering off to 76% in August. The humidity begins to inch back up in the fall months, peaking again at 88% in November, before mellowing to 81% in December. Overall, while January sets the stage with high humidity, the seasonal ebb and flow reveal a dynamic interplay of moisture throughout the year in this picturesque region.

January Average Humidity in Lake Geneva

This chart illustrates the average monthly humidity levels in Lake Geneva, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Lake Geneva

In Lake Geneva, United States, January presents a moderate UV Index of 3, indicating a balanced time for outdoor activities, with a burn time of approximately 30 minutes for unprotected skin. As the year progresses into February, the UV index slightly increases to 4, maintaining a similar exposure category and burn time. However, come March, the UV Index escalates to 6, categorizing it as high, and reducing the safe exposure time to 25 minutes. From April onward, the situation intensifies; the UV Index reaches 8 in April and peaks at 10 in both July and June, which signifies a very high risk of harm from unprotected sun exposure, demanding a keen caution with only 15 minutes of burn time. As summer fades into autumn, the UV Index gradually declines, dropping back to 5 in October and returning to 3 in November, while December offers a reprieve with a low UV Index of 2 and an extended burn time of 45 minutes. This trend highlights a clear pattern of increasing UV exposure as the seasons transition from winter to summer, emphasizing the need for sun protection strategies, particularly during the warmer months. For more detailed insights, visit Lake Geneva UV Index.

Maximum UV Index Levels in Lake Geneva for January

The chart shows the monthly maximum UV Index (UVI) for Lake Geneva in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Lake Geneva January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Lake Geneva

In Lake Geneva, January ushers in a modest 121 hours of sunshine, setting a serene tone for the year ahead. As winter gives way to spring, the days gradually brighten, with February seeing a notable increase to 185 hours. This upward trend continues through March and April, peaking at 243 hours in the latter, as the landscape awakens from its frosty slumber. The arrival of summer in May heralds an even more generous 279 hours, and by July, the sun shines in full glory with 360 hours, marking the peak of bright days. As the warmth lingers into August and September, sunshine hours remain abundant, though slightly tapering down to 336 and 277 hours, respectively. Fall introduces shorter days, with October and November offering 207 and 190 hours, before the year closes with a quieter 177 hours in December. This journey through the seasons illustrates Lake Geneva's rhythmic dance with sunlight, culminating in vibrant summer days that beckon both residents and visitors alike.

Monthly Sunshine Duration in Lake Geneva: January Highlighted

The January sunshine duration represents the total number of hours Lake Geneva experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec121h185h236h243h279h326h360h336h277h207h190h177h
Data source: Lake Geneva January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lake Geneva During January

In Lake Geneva, the likelihood of sunny weather in January is notably low, with only a 22% chance of sunshine, making it one of the cloudier months of the year. This trend of limited sunshine continues into February, where the probability increases slightly to 34%. As spring approaches in March, the chances of clear skies significantly rise to 45%. This gradual improvement suggests that as winter transitions to spring, residents and visitors can expect a noticeable uptick in sunny days, laying the groundwork for more vibrant outdoor activities in the months that follow. By the time April rolls in, conditions remain favorable at 37%, before reaching a peak in summer, particularly in July and August, when Lake Geneva basks in 45% to 47% sunshine, highlighting the region's distinct seasonal shifts.

Percentage of Sunny Days in January in Lake Geneva

The chart illustrates the percentage of sunny days in Lake Geneva throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lake Geneva experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%34%45%37%34%46%45%47%57%32%43%33%
Data source: Lake Geneva January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lake Geneva in January

In Lake Geneva, United States, January marks the beginning of the year with 9 hours of daylight, setting a tranquil tone as winter maintains its grip. As the month transitions into February, there is a gradual increase to 10 hours, signaling the first hints of longer days ahead. March continues this upward trend, extending daylight to 11 hours, while April delights with a more substantial increase to 13 hours, inviting the promise of spring. By May, daylight reaches a peak of 14 hours, offering ample time for outdoor activities before the summer solstice in June, when the days are at their longest with 15 hours of sunlight. Interestingly, the trend begins to reverse in July, as daylight decreases to 14 hours, followed by a gradual decline through the late summer and autumn months. By the time November and December roll around, daylight returns to its winter lows of 9 hours, completing a cyclical journey that beautifully illustrates the changing seasons in this picturesque locale.

Average Daylight Hours in Lake Geneva for January

The chart illustrates the variation in daylight duration in Lake Geneva throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 34m11h 58m13h 24m14h 37m15h 13m14h 53m13h 48m12h 25m11h9h 45m9h 6m
Data source: Lake Geneva daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Lake Geneva

In January, Lake Geneva experiences an average wind speed of 3.4 m/s (8 mph), setting the tone for the year with a crisp, invigorating breeze. As winter progresses into February, the winds slightly intensify at 3.7 m/s (8 mph), while March sees a notable increase to about 4.2 m/s (9 mph), hinting at the coming spring warmth. This trend of fluctuating winds continues with April and May settling back to a comfortable 3.6 m/s (8 mph) and 3.5 m/s (8 mph), before summer brings a gentle drop in speed, reaching its lowest point in August at just 2.5 m/s (6 mph). As autumn approaches, wind speeds regain strength, peaking at 4.0 m/s (9 mph) during both November and December, providing a refreshing reminder of winter’s return. This cyclical pattern of wind speeds not only shapes the local climate but also adds a dynamic backdrop to life around the lake throughout the year.

Average January Wind Speed in Lake Geneva

The chart displays monthly wind speed patterns in Lake Geneva, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.4 m/s3.74.23.63.53.13.02.53.43.44.04.0
Data source: Lake Geneva January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Lake Geneva Compares to Other Months

The weather in Lake Geneva changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lake Geneva and find detailed weather information for every month.

January brings frigid temperatures with a minimum of -32°C (-25°F) and an average of -5°C (23°F), while February is slightly milder, featuring a minimum of -33°C (-28°F) and an average of -4°C (25°F). Despite the colder start, February can reach a maximum high of 20°C (67°F), compared to January's peak of 14°C (57°F). Both months see similar levels of precipitation, with January receiving 61 mm (2.4 in) over 8 days and February slightly less at 58 mm (2.3 in) over 9 days. Throughout both months, humidity remains high at 85%. For more specific weather patterns, check out Lake Geneva weather in February.

In January, the weather is notably harsher, with temperatures ranging from a frigid minimum of -32°C (-25°F) to an average of -5°C (23°F) and a maximum of 14°C (57°F). January sees approximately 61 mm (2.4 in) of precipitation over 8 days and maintains a high humidity level of 85%. By contrast, March experiences a significant warming trend, with minimum temperatures at -22°C (-8°F), an average temperature of 3°C (37°F), and a maximum that can reach 24°C (75°F). Precipitation marginally increases to 66 mm (2.6 in) over 10 days, but humidity remains consistent at 85%. For those interested in more detailed weather conditions, check out Lake Geneva weather in March.

January weather can be characterized by its extreme cold, with temperatures ranging from a frigid -32°C (-25°F) to a mild max of 14°C (57°F). The month sees an average temperature of -5°C (23°F) and experiences precipitation on about 8 days, totaling 61 mm (2.4 in), all while maintaining a high humidity of 85%. In contrast, April ushers in a significant warming trend, with minimum temperatures around -8°C (17°F) and maximums peaking at 27°C (81°F). The average temperature rises to a comfortable 8°C (47°F), but with increased rainfall, April receives 110 mm (4.3 in) of precipitation over 14 days, yet the humidity remains consistent at 85%. The transformation from the severe chill of January to the milder, wetter April is striking. For more specifics on April weather patterns, check out Lake Geneva weather in April.

In January, the weather is characterized by frigid temperatures, with a minimum of -32°C (-25°F) and an average of -5°C (23°F), while highs only reach up to 14°C (57°F). The month sees a total precipitation of 61 mm (2.4 inches) spread across approximately 8 days, with a high humidity level of 85%. In stark contrast, May presents a mild and warm climate, with temperatures ranging from a minimum of -1°C (30°F) to an average of 15°C (60°F) and maximums soaring up to 34°C (93°F). Precipitation increases to 154 mm (6.0 inches) over 14 days, accompanied by a slight decrease in humidity to 78%. For more details on May weather, you can check Lake Geneva weather in May.

January and June present stark contrasts in weather. In January, temperatures plummet, with a minimum of -32°C (-25°F) and an average of -5°C (23°F), creating a chilly atmosphere often accompanied by significant humidity at 85%. Precipitation is relatively low, totaling 61 mm (2.4 in) over approximately 8 days. Conversely, June brings warmth and vibrancy, with minimum temperatures rising to 9°C (48°F) and an average of 21°C (71°F), reaching a maximum of 34°C (94°F). This month also sees an increase in precipitation to 115 mm (4.5 in) over 13 days, yet humidity remains comfortable at 80%. For a closer look at June weather specifics, visit Lake Geneva weather in June.

In January, temperatures can plummet as low as -32°C (-25°F), with an average temperature of -5°C (23°F) and a maximum of 14°C (57°F). The month also sees about 61 mm (2.4 in) of precipitation across 8 days, accompanied by high humidity levels at 85%. In stark contrast, July boasts a much milder climate with minimum temperatures around 12°C (54°F), an average of 24°C (75°F), and highs soaring to 34°C (93°F). This summer month experiences slightly more precipitation at 84 mm (3.3 in) over 10 days, but with lower humidity at 78%. For a more detailed look at weather patterns during this summer month, visit Lake Geneva weather in July.

January and August present stark contrasts in weather conditions. January is characterized by frigid temperatures, with a minimum of -32°C (-25°F) and an average around -5°C (23°F), leading to a chilly atmosphere that often results in significant snowfall, as indicated by the 61 mm of precipitation over 8 days and a high humidity level of 85%. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), averaging 22°C (72°F). Precipitation increases slightly to 91 mm over 11 days, but humidity drops to a more comfortable 76%. For those interested in detailed weather information for August, visit Lake Geneva weather in August.

January and September present stark contrasts in weather conditions. In January, temperatures can plummet as low as -32°C (-25°F), with an average hovering around -5°C (23°F), while September enjoys a much milder range, with minimums of 2°C (37°F) and averages reaching 19°C (66°F). January experiences significant chill and high humidity levels at 85%, but it only sees average precipitation of 61 mm (2.4 in) across about 8 days. In contrast, September is warmer, with maximum temperatures soaring to an inviting 33°C (92°F) and just slightly more precipitation at 104 mm (4.1 in) over 9 days, accompanied by a lower humidity of 79%. For more details about the climate during this month, check Lake Geneva weather in September.

January and October present stark contrasts in weather, with January characterized by its harsh winter conditions and October offering a milder autumn atmosphere. In January, temperatures can plummet to a minimum of -32°C (-25°F), with an average temperature around -5°C (23°F) and occasional highs reaching only 14°C (57°F). This month also sees considerable snowfall, receiving an average of 61 mm (2.4 in) of precipitation over about 8 days, with humidity levels peaking at 85%.

In contrast, October features a much wider temperature range, with a minimum of -5°C (23°F) and a pleasant average of 11°C (53°F) that can rise to highs of 30°C (86°F). The month experiences increased precipitation at 119 mm (4.7 in) over approximately 13 days, while humidity remains relatively stable at 83%. For those curious about the specifics of October weather, you can explore more details here: Lake Geneva weather in October.

January and November present contrasting weather patterns, reflecting the depth of winter versus the transition to colder months. In January, temperatures can plunge to a minimum of -32°C (-25°F), with an average around -5°C (23°F) and a maximum of 14°C (57°F). This chilling month is accompanied by relatively higher humidity at 85% and approximately 61 mm (2.4 in) of precipitation over 8 days. In stark contrast, November exhibits milder temperatures, with a minimum of -16°C (4°F) and an average of 3°C (37°F), reaching up to 24°C (75°F) on warmer days. Despite having slightly lower precipitation at 49 mm (1.9 in) over 7 days, November's humidity is slightly higher at 88%. For those looking to explore the specific weather conditions in November, visit Lake Geneva weather in November.

January and December present notable differences in weather conditions. January typically experiences lower temperatures, with an average of -5°C (23°F), compared to December's -1°C (31°F). The minimum temperature in January can plunge to -32°C (-25°F), while December's minimum is milder at -22°C (-7°F). Additionally, January sees slightly more precipitation at 61 mm (2.4 in) over about eight days, compared to December's 52 mm (2.1 in) across seven days. Humidity levels are also higher in January, averaging 85%, compared to 81% in December. For more detailed insights, you can explore Lake Geneva weather in December.

Compare Lake Geneva's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Lake Geneva

January in Lake Geneva brings a stark contrast to the more temperate months of the year. With chilly averages hovering around -5°C (23°F) and occasional peaks reaching as high as 14°C (57°F), the month showcases winter in its full glory. The 82% humidity combined with 61 mm of precipitation over 8 days creates a crisp atmosphere, often cloaked in a serene layer of snow. While other months might tempt outdoor enthusiasts with milder weather, January invites a unique charm of winter wonder, perfect for cozy indoor activities or wrapped-up outdoor adventures. For those looking to explore more, check out the detailed climate insights here: Lake Geneva Climate.