May Weather in Madison, United States

Last updated: June 24, 2025

In Madison, United States, the average temperature in May hovers around 12°C (54°F), with a minimum dip to -1°C (30°F) and a maximum rise to 31°C (89°F). Expect about 97 mm (3.8 in) of precipitation spread over 12 days, accompanied by an average humidity of 72%. Prepare for a mix of weather as you explore this vibrant destination!

May Temperature in Madison

In May in Madison, the average temperature is 12°C (54°F), with maximums reaching up to 31°C (89°F) and minimums dipping as low as -1°C (30°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates May temperature patterns in Madison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madison, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Madison

In Madison in May, the precipitation amount is 97 mm (3.8 in) spread over 12 days.

May Precipitation Trends in Madison

The chart displays monthly precipitation patterns in Madison, 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 Madison, May typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 12 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 Madison

In Madison in May, humidity is 72%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions a bit uncomfortable. You may find yourself reaching for an extra layer as the moisture in the air adds to the coolness, prompting travelers to seek out sheltered spots to enjoy the scenery.

May Average Humidity in Madison

This chart illustrates the average monthly humidity levels in Madison, 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 Madison is approximately 72%, 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 Madison

In Madison 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 Madison.

Maximum UV Index Levels in Madison for May

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

Data source: Madison 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 Madison Compares to Other Months

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

This table compares monthly weather conditions in Madison, 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 (18°F)	93 mm (3.7 inches)	86%	low
February Weather	-6°C (21°F)	97 mm (3.8 inches)	84%	moderate
March Weather	-2°C (28°F)	82 mm (3.2 inches)	82%	high
April Weather	5°C (41°F)	153 mm (6.0 inches)	80%	very high
May Weather	12°C (54°F)	97 mm (3.8 inches)	72%	very high
June Weather	17°C (63°F)	111 mm (4.4 inches)	72%	very high
July Weather	20°C (68°F)	158 mm (6.2 inches)	67%	very high
August Weather	19°C (67°F)	107 mm (4.2 inches)	66%	very high
September Weather	15°C (59°F)	73 mm (2.9 inches)	71%	high
October Weather	9°C (48°F)	155 mm (6.1 inches)	78%	moderate
November Weather	1°C (33°F)	130 mm (5.1 inches)	84%	moderate
December Weather	-5°C (23°F)	148 mm (5.8 inches)	81%	low