May Weather in Geneva, United States

Last updated: June 24, 2025

In Geneva, United States, the average temperature in May is a comfortable 15°C (59°F). However, be prepared for a range that can drop to a chilly -1°C (31°F) or soar to a warm 35°C (95°F). During this month, expect about 146 mm (5.8 in) of precipitation over approximately 15 days, contributing to an average humidity of 74%. Stay prepared for a mix of weather!

May Temperature in Geneva

In May in Geneva, the average temperature is 15°C (59°F). The maximum can reach 35°C (95°F), while the minimum can be as low as -1°C (31°F). This varied climate makes Geneva an ideal destination for travelers seeking both warm and cool experiences.

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 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Geneva generated using information from the Copernicus Climate Change Service.

May Precipitation in Geneva

In Geneva in May, the precipitation amount is 146 mm (5.8 in) spread over 15 days, indicating a relatively wet period during that time.

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 146 mm (5.8 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Geneva

In Geneva in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

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 74%, offering insight into how humid the weather typically is during this month.

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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-9°C (17°F)	46 mm (1.8 inches)	84%	moderate
March Weather	1°C (34°F)	69 mm (2.7 inches)	80%	moderate
April Weather	7°C (44°F)	86 mm (3.4 inches)	81%	very high
May Weather	15°C (59°F)	146 mm (5.8 inches)	74%	very high
June Weather	22°C (71°F)	139 mm (5.5 inches)	80%	very high
July Weather	23°C (74°F)	103 mm (4.1 inches)	80%	very high
August Weather	21°C (70°F)	110 mm (4.3 inches)	77%	very high
September Weather	18°C (65°F)	124 mm (4.9 inches)	75%	very high
October Weather	9°C (49°F)	101 mm (4.0 inches)	80%	moderate
November Weather	1°C (34°F)	45 mm (1.8 inches)	87%	moderate
December Weather	-4°C (25°F)	39 mm (1.6 inches)	83%	moderate