April Weather in Lake Geneva, United States

Last updated: February 24, 2025

April in Lake Geneva, United States, brings a dynamic range of temperatures, with a maximum of 27°C (81°F) and a minimum dipping as low as -8°C (17°F). The average temperature rests comfortably at 8°C (47°F), providing a refreshing backdrop for the month. However, residents and visitors should be prepared for significant precipitation, totaling 110 mm (4.3 in) over 14 days, contributing to an humidity level of 85%. This blend of warmth and moisture creates a vibrant spring atmosphere, making April an intriguing time to experience the beauty of Lake Geneva.

April Temperature in Lake Geneva

As April unfolds in Lake Geneva, the region begins to shake off the harsh chill of winter, revealing a more temperate climate. With minimum temperatures rising from a biting -22°C (-8°F) in March to a milder -8°C (17°F), the slight warmth signals the arrival of spring. The average temperature settles around 8°C (47°F), offering a welcome change from the frigid months that preceded it. As the month progresses, the maximum daily temperatures can reach 27°C (81°F), creating perfect conditions for outdoor activities. This gradual warming trend, transitioning from winter’s depths to spring’s embrace, encapsulates the hope and renewal that April brings to this beautiful lakeside community.

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

The chart illustrates April 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.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Lake Geneva

In April, Lake Geneva experiences a significant uptick in precipitation, with a notable 110 mm (4.3 in) of rain falling over the month, marking the wettest period so far this year. This surge aligns with the seasonal transition to spring, as rain showers occur on 14 days, providing much-needed moisture to the landscape and revitalizing the local flora. Compared to the preceding months, April's precipitation is a considerable increase from March's 66 mm (2.6 in), highlighting a pattern of growing rain as temperatures rise. As the region moves into May, the trend continues with even heavier rainfall anticipated, setting the stage for lush greenery and vibrant blooms.

April Precipitation Trends in Lake Geneva

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

In April, the humidity in Lake Geneva remains consistent at 85%, mirroring the levels seen from January through March. This steady moisture in the air contributes to the region's lush landscapes, setting the stage for the vibrant growth of spring. As temperatures gradually rise in the following months, we begin to see a decline in humidity, dropping to 78% in May and further decreasing into the summer. This trend highlights a gradual shift from the more saturated winter months to a drier, more comfortable summer season, making April a pivotal point in Lake Geneva's climatic transition.

April Average Humidity in Lake Geneva

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

April UV Index in Lake Geneva

As April blooms in Lake Geneva, the UV Index peaks at a striking 8, categorizing exposure as very high and significantly reducing the time it takes to get sunburned to just 15 minutes. This substantial rise from the 6 in March illustrates the rapid transition into the sun-drenched days of spring, where careful sun protection becomes essential. As the months unfold, May and June follow closely with UV values of 9 and 10, respectively, maintaining the trend of heightened solar intensity. It's crucial for residents and visitors alike to stay informed and proactive about sun safety as the UV index climbs; for a detailed guide on the UV index throughout the year, check out Lake Geneva UV Index.

Maximum UV Index Levels in Lake Geneva for April

The chart shows the monthly maximum UV Index (UVI) for Lake Geneva in April, 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 April 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.

April Sunshine in Lake Geneva

As April unfolds in Lake Geneva, the sun begins to shine brighter, with 243 hours of glorious sunshine lighting up the landscape. This marks a promising increase from the previous months, reflecting the transition into spring. Following the steady build-up from 236 hours in March, the longer days herald the approach of warmer weather, as daylight hours continue to climb. With May set to bring 279 hours of sunshine, locals and visitors alike eagerly anticipate the vibrant charm that April's emerging warmth offers. The gradual ascent in sunshine hours not only boosts spirits but also invites everyone outdoors to enjoy the breathtaking beauty of this lakeside gem.

Monthly Sunshine Duration in Lake Geneva: April Highlighted

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

Chance of Sun in Lake Geneva During April

In April, the likelihood of sunny weather in Lake Geneva sees a slight dip, with only a 37% chance of sunshine. While this marks a decrease from the 45% sunny days typically experienced in March, it aligns closely with the percentages found in May and February, hinting at a transitional phase in spring. Notably, April's figures suggest that after the promising sunniness of late winter, residents may encounter a mix of cloudy days, with the promise of brighter skies just around the corner as the season progresses into summer. Overall, although April may not boast the sunniest reputation, it plays a vital role in paving the way for the warmer months ahead, where chances of sunshine climb significantly, peaking in September at 57%.

Percentage of Sunny Days in April in Lake Geneva

The chart illustrates the percentage of sunny days in Lake Geneva throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lake Geneva in April

As spring unfolds in Lake Geneva, the daylight duration experiences a notable surge in April, reaching 13 hours—a significant leap from the 11 hours of March. This increase not only marks the transition towards longer, sunnier days but also heralds the warmth and vibrancy of the season ahead. As April progresses, the growing daylight lays the foundation for a steady rise, ultimately peaking in June at an impressive 15 hours. This gradual extension of daylight during the spring months enriches the landscape and invites outdoor activities, illustrating nature's charming rhythm as it moves from shorter winter days to the brilliance of summer.

Average Daylight Hours in Lake Geneva for April

The chart illustrates the variation in daylight duration in Lake Geneva throughout the year, with April 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.

April Winds in Lake Geneva

As spring unfurls its vibrant colors in Lake Geneva, the April winds bring a gentle breath of change, with an average speed of 3.6 m/s (8 mph). Although slightly slower than the brisk winds of March, April maintains a consistent flow that complements the milder temperatures of spring. Notably, the winds begin to taper off as summer approaches; in May, the average speed drops to 3.5 m/s (8 mph), a trend that continues into the warmer months. This gradual decrease from winter's stronger gusts—peaking at 4.2 m/s (9 mph) in March—highlights a transition toward the calmer, warmer days ahead, making April a delightful month where nature begins to awaken amid soft breezes.

Average April Wind Speed in Lake Geneva

The chart displays monthly wind speed patterns in Lake Geneva, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.74.23.6 m/s3.53.13.02.53.43.44.04.0
Data source: Lake Geneva April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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.

In comparing the weather between April and January, the stark differences become evident. April enjoys a much milder climate, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 27°C (81°F) and an average of 8°C (47°F). This month also experiences higher precipitation, totaling 110 mm (4.3 in) over approximately 14 days, while maintaining a high humidity level of 85%.

In contrast, January is characterized by its frigid temperatures, with a minimum of -32°C (-25°F) and a maximum of only 14°C (57°F), resulting in an average of -5°C (23°F). The precipitation in January is lower, at 61 mm (2.4 in), occurring over about 8 days, yet it shares the same high humidity of 85%. For more specific insights into January weather, visit Lake Geneva weather in January.

April weather contrasts starkly with February, showcasing a significant warming trend. While February experiences frigid temperatures with a minimum of -33°C (-28°F) and an average of -4°C (25°F), April offers a more temperate climate with a minimum of -8°C (17°F) and an average of 8°C (47°F). The maximum temperatures also highlight this shift, as February peaks at 20°C (67°F) compared to April's 27°C (81°F). Although April sees more precipitation, totaling 110 mm (4.3 in) over 14 days, February has a lower precipitation level of 58 mm (2.3 in) across 9 days. Both months share a humidity level of 85%, but the overall conditions in April are undoubtedly milder, inviting a transition to spring. For more detailed insights about February weather, check Lake Geneva weather in February.

In comparing the weather of March and April, it is clear that April brings a notable warming trend. While March experiences a colder range of temperatures with a minimum of -22°C (-8°F) and an average of 3°C (37°F), April sees much milder conditions, with minimums around -8°C (17°F) and an average temperature rising to 8°C (47°F). Additionally, the maximum temperature in March reaches 24°C (75°F), whereas April enjoys significantly warmer highs of 27°C (81°F). In terms of precipitation, April is wetter, with 110 mm (4.3 in) over 14 days compared to March's 66 mm (2.6 in) over 10 days. Humidity levels remain steady at 85% in both months. For more insights into the specific weather conditions, you can check Lake Geneva weather in March.

April and May present a noticeable shift in weather patterns. In April, temperatures range from a chilly minimum of -8°C (17°F) to a maximum of 27°C (81°F), with an average of 8°C (47°F). The month experiences 110 mm (4.3 in) of precipitation over 14 days, accompanied by high humidity levels at 85%. In contrast, May brings warmer temperatures with a minimum of -1°C (30°F) and a maximum reaching 34°C (93°F), leading to a significant average temperature increase to 15°C (60°F). However, May also sees an increase in precipitation, totaling 154 mm (6.0 in) over the same 14 days, but with slightly lower humidity at 78%. For a more detailed look at the conditions during this month, check out Lake Geneva weather in May.

April and June present distinct contrasts in weather. In April, temperatures can drop as low as -8°C (17°F), with an average of 8°C (47°F) and highs reaching 27°C (81°F). The month is characterized by high humidity at 85% and considerable precipitation totaling 110 mm (4.3 in) over 14 days. In contrast, June showcases warmer conditions, with minimum temperatures starting at 9°C (48°F), an average of 21°C (71°F), and maximums soaring to 34°C (94°F). It experiences slightly higher precipitation at 115 mm (4.5 in) but over just 13 days, coupled with lower humidity at 80%. For a closer look at June's climate, you can visit Lake Geneva weather in June.

April and July present starkly contrasting weather patterns. In April, temperatures fluctuate between a minimum of -8°C (17°F) and a maximum of 27°C (81°F), with an average of around 8°C (47°F). The month sees significant precipitation, totaling 110 mm (4.3 in) over 14 days, coupled with high humidity at 85%. In contrast, July boasts milder conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (93°F) and an average of 24°C (75°F). This month experiences less rainfall, totaling 84 mm (3.3 in) over 10 days, and slightly lower humidity at 78%. For more details on July's weather, visit Lake Geneva weather in July.

April and August present contrasting weather patterns, showcasing the transition from early spring to late summer. In April, temperatures can drop as low as -8°C (17°F) and typically average around 8°C (47°F), while daytime highs can reach 27°C (81°F). The month experiences higher humidity at 85% and greater precipitation, with rain occurring on about 14 days, totaling 110 mm (4.3 in). In stark contrast, August boasts milder lows around 8°C (47°F) and significantly warmer averages of 22°C (72°F), peaking at 34°C (93°F). It offers a more comfortable humidity level of 76% and slightly less rain, accumulating 91 mm (3.6 in) across roughly 11 days. For more detailed insights, check out Lake Geneva weather in August.

April and September present quite distinct weather experiences. In April, temperatures can swing dramatically, with a minimum of -8°C (17°F) and a maximum of 27°C (81°F), resulting in an average of 8°C (47°F). This month also sees considerable rainfall, totaling 110 mm (4.3 in) across about 14 days, accompanied by high humidity levels of 85%. In contrast, September offers a more stable climate, with milder temperatures ranging from a minimum of 2°C (37°F) to a maximum of 33°C (92°F), averaging 19°C (66°F). While precipitation is slightly lower at 104 mm (4.1 in) over just 9 days, humidity is more manageable at 79%. For a closer look at September's weather, check out Lake Geneva weather in September.

April and October both feature mild temperatures but differ in their climatic characteristics. In April, temperatures can range dramatically from a chilling minimum of -8°C (17°F) to a pleasant maximum of 27°C (81°F), averaging around 8°C (47°F). The month is quite wet, with about 110 mm (4.3 in) of precipitation spread over 14 days and a high humidity of 85%. In contrast, October sees slightly higher average temperatures, with a minimum of -5°C (23°F) and a maximum of 30°C (86°F), averaging 11°C (53°F). The precipitation increases marginally to 119 mm (4.7 in) over 13 days, while humidity remains slightly lower at 83%. For a deeper look at October weather, you can visit Lake Geneva weather in October.

April and November exhibit notable differences in weather patterns. April tends to be milder, with average temperatures around 8°C (47°F) and maximums reaching 27°C (81°F), though minimums can drop to -8°C (17°F). In contrast, November is chillier, with an average temperature of 3°C (37°F) and minimums plunging to -16°C (4°F), although maximum temperatures can still reach 24°C (75°F). Precipitation in April is also more frequent and intense, totaling 110 mm (4.3 in) over 14 days, while November sees less precipitation at 49 mm (1.9 in) across just 7 days. Humidity levels are slightly higher in November, at 88%, compared to April's 85%. For more specific insights into the climate, check out Lake Geneva weather in November.

April and December present contrasting weather patterns. In April, temperatures range from a chilly minimum of -8°C (17°F) to a pleasant maximum of 27°C (81°F), with an average of 8°C (47°F). This month also experiences significant precipitation, totaling 110 mm (4.3 in) over approximately 14 days, contributing to a high humidity level of 85%. In stark contrast, December’s temperatures are markedly colder, with a minimum of -22°C (-7°F) and a maximum of 19°C (66°F), leading to an average temperature of -1°C (31°F). Despite having lower precipitation of 52 mm (2.1 in) over just 7 days, December maintains a humidity of 81%. For more specific details on December conditions, you can check Lake Geneva weather in December.

Compare Lake Geneva's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Lake Geneva

In April, Lake Geneva experiences a significant transition from the chill of winter to the warmth of spring. While temperatures can soar to a pleasant 27°C (81°F) on sunny days, they can also plummet to a frosty -8°C (17°F) during the night, highlighting the month’s notable variability. Compared to other months, April stands out with its increased precipitation, bringing approximately 110 mm (4.3 in) of rain over 14 days, which nurtures the blooming landscape yet adds to the high humidity levels of 85%. This blend of warmth and moisture makes April a unique time for Lake Geneva, perfect for witnessing nature's rebirth. To explore more about the intricate patterns of weather in this region, visit Lake Geneva Climate.