May Weather in Lake Geneva, United States

Last updated: February 24, 2025

May weather in Lake Geneva, United States, showcases a dynamic range of temperatures, with maximums soaring to 34°C (93°F), while the average settles at a mild 15°C (60°F). Early mornings can be brisk, dipping to a chilly -1°C (30°F). This month also brings significant precipitation, totaling 154 mm (6.0 in) over approximately 14 days, contributing to a humid environment with an average humidity level of 78%. Whether you're enjoying the warmth of the afternoons or braving the cooler evenings, May in Lake Geneva offers a unique blend of seasonal experiences.

May Temperature in Lake Geneva

In May, Lake Geneva begins to shake off the chill of winter, experiencing a significant rise in temperatures. The mercury ranges from a brisk -1°C (30°F) at night to a warm 34°C (93°F) during the day, showcasing the transition into spring. The average temperature settles comfortably at 15°C (60°F), marking a stark contrast to the frosty depths of January and February. This month is characterized by burgeoning warmth and vibrant outdoor activities, as residents and visitors alike embrace the longer days and milder nights. As nature awakens, the lake becomes a backdrop for leisurely strolls and recreational adventures, reflecting the overall upward trend in temperatures leading into the summer months.

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

The chart illustrates May 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.

May Precipitation in Lake Geneva

May marks a significant turning point in Lake Geneva's precipitation patterns, with a notable increase to 154 mm (6.0 in), making it the wettest month of the year. This spike contrasts sharply with the preceding months, where April already showed considerable rainfall at 110 mm (4.3 in). The 14 days of precipitation in May align with this upward trend, mirroring April's rainfall frequency. As the spring season blooms, the substantial rainfall not only replenishes the local ecosystem but also sets the stage for the drier months ahead, underscoring the dynamic weather variations that characterize Lake Geneva’s climate.

May Precipitation Trends in Lake Geneva

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

In Lake Geneva, May marks a notable shift in humidity levels as the spring season gives way to summer. With humidity dropping to 78%, it's a refreshing respite from the consistent 85% experienced in the earlier months of the year. This decline hints at the arrival of warmer weather, fostering a pleasant outdoor environment ideal for enjoying the picturesque scenery. As summer approaches, humidity levels slightly fluctuate, staying close to the 78% mark in July and settling to 76% in August. Overall, May serves as a transitional month where the air feels a bit lighter, heralding the summer festivities ahead.

May Average Humidity in Lake Geneva

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

May UV Index in Lake Geneva

As May blooms in Lake Geneva, the UV Index peaks at an impressive 9, categorizing it as very high exposure—an increase from the already intense April levels. This trend marks a significant shift towards heightened sun intensity as spring gives way to summer, meaning residents should be vigilant about sun protection, with a burn time of just 15 minutes under direct sunlight. As we move into June and July, the UV Index escalates further to 10, suggesting a continuous risk for sunburn. Those enjoying the outdoors this month should prioritize safety measures like sunscreen and protective clothing to enjoy the beautiful weather while minimizing the risk of skin damage. For more detailed information, visit Lake Geneva UV Index.

Maximum UV Index Levels in Lake Geneva for May

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

May Sunshine in Lake Geneva

May in Lake Geneva offers a delightful transition into the warmth of summer, showcasing an impressive 279 hours of sunshine. This month stands as a significant peak in sunlight hours following a steady climb from the cold depths of winter. Starting from 121 hours in January, the increased daylight accumulates gradually, with April already hinting at the brighter days to come. The shift from spring to summer is palpable, as May outshines its predecessors, bringing vibrant energy and the promise of outdoor adventures. As the season progresses, June hits a sunny high with 326 hours of sunlight, but May sets the stage with its lush landscapes and blooming flora, offering a perfect canvas for leisurely activities under the sun.

Monthly Sunshine Duration in Lake Geneva: May Highlighted

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

Chance of Sun in Lake Geneva During May

As we transition into May in Lake Geneva, the likelihood of sunny weather holds steady at 34%, mirroring the cloudier days of April. This month signifies a slight decrease from March's 45% chance of sun but remains consistent with February's 34%. Looking ahead, June brings a promising increase to 46%, suggesting that as spring gives way to summer, the opportunity for sunny days in this picturesque locale rises significantly. The upward trend in sunshine potential through the summer months, particularly in August at 47% and September at 57%, paints a hopeful picture for those yearning to bask in Lake Geneva's beautiful outdoors.

Percentage of Sunny Days in May in Lake Geneva

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

Daylight Hours in Lake Geneva in May

As spring blooms into summer in Lake Geneva, the daylight duration steadily increases, providing residents and visitors with longer days filled with sunshine. Starting from 11 hours in March, daylight stretches to a delightful 14 hours by May, offering ample time for outdoor activities and exploration. This trend continues into June, peaking at 15 hours, before tapering off slightly as summer gives way to autumn. In contrast, the transition from fall to winter brings shorter days, with January and November both seeing only 9 hours of daylight. This cyclical pattern highlights the region's vibrant seasonal shifts, inviting everyone to embrace the warmth and beauty of May's extended daylight.

Average Daylight Hours in Lake Geneva for May

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

May Winds in Lake Geneva

In Lake Geneva, May greets residents and visitors with a gentle average wind speed of 3.5 m/s (8 mph), providing a mild breeze that beautifully complements the springtime ambiance. As winter months transition into spring, the wind speed shows a slight decline from April's 3.6 m/s, establishing this month as a smooth transition into the warmer seasons. Interestingly, the average wind speeds fluctuate throughout the year, peaking in the late fall and early winter months of November and December with 4.0 m/s (9 mph), while the summer months experience a notable reduction, dipping to 2.5 m/s (6 mph) in August. This trend suggests that May acts as a serene bridge, inviting both comfortable outdoor activities and reflective moments amid the budding flora of Lake Geneva.

Average May Wind Speed in Lake Geneva

The chart displays monthly wind speed patterns in Lake Geneva, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.74.23.63.5 m/s3.13.02.53.43.44.04.0
Data source: Lake Geneva May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May'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 of May and January, it's evident that these two months present stark contrasts. May enjoys a broad temperature range, with minimums around -1°C (30°F) and maximums soaring up to 34°C (93°F), resulting in an average of 15°C (60°F). This month also sees higher precipitation levels at 154 mm (6.0 in) over approximately 14 days, complemented by a humidity level of 78%. In contrast, January is characterized by frigid temperatures, dipping as low as -32°C (-25°F), with an average of -5°C (23°F) and a maximum reaching only 14°C (57°F). The precipitation in January is considerably lower at 61 mm (2.4 in) over about 8 days, and the humidity is slightly higher at 85%. The transition from the warmth of May to the chill of January vividly illustrates the seasonal extremes. For more detailed insights, check out Lake Geneva weather in January.

May and February offer stark contrasts in weather. May typically sees milder temperatures, ranging from a chilly minimum of 1°C (30°F) to a warm maximum of 34°C (93°F), with an average around 15°C (60°F). In comparison, February experiences much colder conditions, with temperatures plummeting to a minimum of -33°C (-28°F) and an average of -4°C (25°F). Additionally, May has heavier rainfall, receiving about 154 mm (6.0 in) over approximately 14 days, while February's precipitation is significantly less at 58 mm (2.3 in) across 9 days. February also tends to be slightly more humid, sitting at 85% compared to May's 78%. For a closer look at February weather in a specific location, visit Lake Geneva weather in February.

March and May present strikingly different weather patterns. In March, temperatures range from a chilly minimum of -22°C (-8°F) to a more moderate maximum of 24°C (75°F), with an average temperature of just 3°C (37°F). The month also experiences about 66 mm (2.6 in) of precipitation over roughly 10 days, accompanied by a high humidity level of 85%. In stark contrast, May showcases a much warmer climate, with temperatures varying from a minimum of -1°C (30°F) to a maximum of 34°C (93°F), boasting an average of 15°C (60°F). May is significantly wetter too, with 154 mm (6.0 in) of precipitation occurring over 14 days and a humidity level of 78%. For more detailed insights, you can check out Lake Geneva weather in March.

When comparing the weather in April and May, it's clear that May experiences a significant warming trend. While April sees a minimum temperature of -8°C (17°F) with an average of 8°C (47°F) and a maximum of 27°C (81°F), May offers a much milder climate with temperatures ranging from a minimum of -1°C (30°F) to an average of 15°C (60°F) and a peak of 34°C (93°F). However, April has a slightly higher humidity level at 85% compared to May's 78%. Additionally, while both months receive precipitation on about 14 days, May experiences more rainfall at 154 mm (6.0 in) compared to April's 110 mm (4.3 in). For more specific details on April weather, check out Lake Geneva weather in April.

In comparing the weather of May and June, we observe a notable shift in temperatures and overall conditions. May experiences a wider temperature range, with minimums dipping as low as -1°C (30°F) and averaging around 15°C (60°F), while June sees a much milder minimum of 9°C (48°F) and an average of 21°C (71°F). The maximum temperatures in both months are quite similar, peaking at 34°C (93°F) in May and slightly higher at 34°C (94°F) in June. Precipitation decreases in June to 115 mm (4.5 in) over 13 days compared to May’s 154 mm (6.0 in) across 14 days, contributing to slightly less humidity, which is 80% in June versus 78% in May. For more specific insights into June weather, check this link: Lake Geneva weather in June.

In May, temperatures can range from a chilly minimum of -1°C (30°F) to a warm maximum of 34°C (93°F), with an average of 15°C (60°F). However, the month is characterized by frequent rainfall, totaling 154 mm (6.0 in) over approximately 14 days, contributing to a high humidity level of 78%. In contrast, July offers a more consistent warm climate, with temperatures that range from a minimum of 12°C (54°F) to a maximum of 34°C (93°F), along with an average temperature of 24°C (75°F). July sees less rainfall, with only 84 mm (3.3 in) occurring over about 10 days, while humidity remains stable at 78%. For more details on the weather during this month, check out Lake Geneva weather in July.

May weather can be quite variable, ranging from chilly temperatures as low as -1°C (30°F) to warm days peaking at 34°C (93°F), with an average of 15°C (60°F). The month experiences significant precipitation, totaling 154 mm (6.0 in) over 14 days, while humidity levels are relatively high at 78%. In contrast, August offers a more stable climate with milder low temperatures around 8°C (47°F) and an average of 22°C (72°F), still reaching up to 34°C (93°F). The precipitation decreases to 91 mm (3.6 in) across 11 days, and humidity levels are slightly lower at 76%. For more details on August weather, check out Lake Geneva weather in August.

May and September exhibit distinct weather characteristics that reflect the transition of spring to early fall. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 34°C (93°F), with an average of 15°C (60°F). The month experiences significant precipitation, totaling 154 mm (6.0 in) over approximately 14 days, and boasts a humidity level of 78%.

Conversely, September features milder conditions, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 33°C (92°F) and an average of 19°C (66°F). Rainfall is less frequent in September, totaling 104 mm (4.1 in) over about 9 days, while humidity remains relatively high at 79%. For anyone interested in more specific weather patterns, you can explore Lake Geneva weather in September.

May and October present contrasting weather patterns, highlighting the transition from spring to fall. In May, temperatures fluctuate from a chilly minimum of -1°C (30°F) to a warm average of 15°C (60°F), peaking at a sweltering 34°C (93°F). The month brings considerable precipitation with 154 mm (6.0 in) over 14 days, paired with a humidity level of 78%. In comparison, October's weather is more subdued, featuring a minimum of -5°C (23°F) and a cooler average of 11°C (53°F), with a maximum of 30°C (86°F). October experiences slightly lower precipitation at 119 mm (4.7 in) occurring over 13 days, along with a higher humidity of 83%. For a detailed look at October's climate specifics, check out Lake Geneva weather in October.

May and November present contrasting weather patterns, highlighting the transition from spring warmth to late autumn chill. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 34°C (93°F), with an average of 15°C (60°F). The month experiences significant precipitation, totaling 154 mm (6.0 in) over about 14 days, coupled with a relatively high humidity of 78%. In contrast, November sees much colder conditions, where temperatures drop to a minimum of -16°C (4°F) and an average of 3°C (37°F), peaking at 24°C (75°F). Precipitation in November is considerably lower at 49 mm (1.9 in) across 7 days, and humidity rises to 88%. For a closer look at November weather specifics, you can explore Lake Geneva weather in November.

May and December present strikingly contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 34°C (93°F), with an average of 15°C (60°F). The month also sees considerable precipitation, with 154 mm (6.0 in) falling over approximately 14 days, accompanied by a humidity level of 78%. In contrast, December experiences much colder conditions, with temperatures ranging from a frigid minimum of -22°C (-7°F) to a maximum of 19°C (66°F), averaging around -1°C (31°F). Additionally, December features significantly less precipitation at 52 mm (2.1 in), spread over just 7 days, while humidity rises slightly to 81%. For a more detailed perspective on December weather, refer to Lake Geneva weather in December.

Compare Lake Geneva's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Lake Geneva

As May unfolds in Lake Geneva, it brings a refreshing shift from the chilly remnants of spring to warmer, more inviting temperatures. While frosty days may still linger, the average climate begins to stabilize, and the chance to bask in the sun rises significantly. However, with an average humidity of 78% and 154 mm of precipitation over about half the month, May still invites occasional rain showers that enrich the vibrant landscape. Compared to the harsher winter months, the arrival of May heralds a promising transition towards summer, making it an ideal time for outdoor activities. For more detailed insights, explore the full picture of the area's climate at Lake Geneva Climate.