May Weather in Madison, United States

Last updated: June 24, 2025

In Madison, United States, the average temperature in May hovers around 14°C (58°F). Expect a temperature range that may dip as low as 0°C (31°F) and climb to a maximum of 33°C (92°F). During this month, anticipate about 108 mm (4.3 in) of precipitation spread over 13 days, with an average humidity level of 74%.

May Temperature in Madison

In May in Madison, the average temperature is 14°C (58°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 0°C (31°F). It's essential to pack layers to accommodate both warm days and cooler nights during 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 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (31°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 108 mm (4.3 in), occurring over a span of 13 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 108 mm (4.3 inches) of precipitation spread over approximately 13 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 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

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 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 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)	20 mm (0.8 inches)	80%	low
February Weather	-8°C (18°F)	22 mm (0.9 inches)	84%	moderate
March Weather	1°C (33°F)	60 mm (2.4 inches)	75%	moderate
April Weather	6°C (43°F)	74 mm (2.9 inches)	79%	very high
May Weather	14°C (58°F)	108 mm (4.3 inches)	74%	very high
June Weather	22°C (72°F)	81 mm (3.2 inches)	81%	extreme
July Weather	23°C (74°F)	98 mm (3.9 inches)	82%	very high
August Weather	21°C (70°F)	116 mm (4.6 inches)	80%	very high
September Weather	18°C (64°F)	108 mm (4.3 inches)	75%	very high
October Weather	8°C (47°F)	78 mm (3.1 inches)	77%	moderate
November Weather	1°C (34°F)	27 mm (1.1 inches)	85%	moderate
December Weather	-4°C (25°F)	35 mm (1.4 inches)	83%	low