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May Weather in Geneva, United States

Last updated: June 24, 2025

In Geneva, United States, the average temperature in May hovers around 17°C (63°F), but don’t be surprised by a wide range—minimums can dip to 1°C (35°F), while maximums can soar to 37°C (99°F). Expect a fair amount of rain, with precipitation totaling 162 mm (6.4 in) spread over about 14 days. Additionally, the average humidity is a comfortable 80%, creating a uniquely refreshing atmosphere.

May Temperature in Geneva

In May in Geneva, the average temperature is 17°C (63°F). Maximum temperatures can reach 37°C (99°F), while minimum temperatures can dip as low as 1°C (35°F). This diverse climate makes Geneva a great destination for travelers seeking both warm weather and cooler escapes.

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

The chart illustrates May temperature patterns in Geneva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geneva, May typically has an average temperature of 17°C (63°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec272742516376797570534133
Data source: Temperature data for 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 Geneva

In Geneva in May, the total precipitation amount is 162 mm (6.4 in) over the course of 14 days.

May Precipitation Trends in Geneva

The chart displays monthly precipitation patterns in 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. In Geneva, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec3024924616296538170952439
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Geneva

In Geneva in May humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

May Average Humidity in Geneva

This chart illustrates the average monthly humidity levels in Geneva, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Geneva is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Geneva

In Geneva in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Geneva.

Maximum UV Index Levels in Geneva for May

The chart shows the monthly maximum UV Index (UVI) for 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. In May, the maximum UV index in Geneva typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
Data source: 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.

How May Weather in Geneva Compares to Other Months

Weather in Geneva varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Geneva, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Geneva, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)30 mm (1.2 inches)73%moderate
February Weather-3°C (27°F)24 mm (0.9 inches)81%moderate
March Weather6°C (42°F)92 mm (3.6 inches)69%high
April Weather11°C (51°F)46 mm (1.8 inches)71%very high
May Weather17°C (63°F)162 mm (6.4 inches)80%very high
June Weather25°C (76°F)96 mm (3.8 inches)83%extreme
July Weather26°C (79°F)53 mm (2.1 inches)84%extreme
August Weather24°C (75°F)80 mm (3.2 inches)84%very high
September Weather21°C (71°F)70 mm (2.7 inches)77%very high
October Weather12°C (53°F)95 mm (3.8 inches)72%high
November Weather5°C (42°F)24 mm (1.0 inches)80%moderate
December Weather1°C (33°F)39 mm (1.5 inches)79%moderate

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