May Weather in Geneva-on-the-Lake, United States

Last updated: June 24, 2025

In May, the average temperature in Geneva-on-the-Lake, United States hovers around 15°C (59°F). During this time, temperatures can dip as low as -1°C (31°F) and soar to a maximum of 30°C (87°F). Expect about 120 mm (4.7 in) of rainfall spread over 14 days, contributing to an average humidity of 81%. Stay prepared for a mix of cozy cool days and the occasional warm spell!

May Temperature in Geneva-on-the-Lake

In May in Geneva-on-the-Lake, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F) and minimums can be as low as -1°C (31°F). Be prepared for varying weather conditions and pack accordingly for a comfortable trip.

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

The chart illustrates May temperature patterns in Geneva-on-the-Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geneva-on-the-Lake, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Geneva-on-the-Lake

In Geneva-on-the-Lake in May, the precipitation amount is 120 mm (4.7 in) over the course of 14 days.

May Precipitation Trends in Geneva-on-the-Lake

The chart displays monthly precipitation patterns in Geneva-on-the-Lake, 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-on-the-Lake, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Geneva-on-the-Lake

In Geneva-on-the-Lake in May humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

May Average Humidity in Geneva-on-the-Lake

This chart illustrates the average monthly humidity levels in Geneva-on-the-Lake, 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-on-the-Lake is approximately 81%, 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-on-the-Lake

In Geneva-on-the-Lake 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-on-the-Lake.

Maximum UV Index Levels in Geneva-on-the-Lake for May

The chart shows the monthly maximum UV Index (UVI) for Geneva-on-the-Lake 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-on-the-Lake typically reaches 9, which falls under the very high exposure category.

Data source: Geneva-on-the-Lake 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-on-the-Lake Compares to Other Months

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

This table compares monthly weather conditions in Geneva-on-the-Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (30°F)	88 mm (3.5 inches)	88%	moderate
February Weather	0°C (31°F)	89 mm (3.5 inches)	88%	moderate
March Weather	3°C (38°F)	90 mm (3.5 inches)	87%	high
April Weather	8°C (47°F)	108 mm (4.2 inches)	87%	very high
May Weather	15°C (59°F)	120 mm (4.7 inches)	81%	very high
June Weather	20°C (68°F)	108 mm (4.2 inches)	83%	very high
July Weather	23°C (74°F)	133 mm (5.2 inches)	82%	very high
August Weather	22°C (72°F)	96 mm (3.8 inches)	76%	very high
September Weather	19°C (67°F)	89 mm (3.5 inches)	77%	very high
October Weather	13°C (57°F)	127 mm (5.0 inches)	82%	high
November Weather	5°C (42°F)	104 mm (4.1 inches)	89%	moderate
December Weather	2°C (35°F)	100 mm (4.0 inches)	86%	low