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May Weather in Madison, United States

Last updated: June 24, 2025

In May, the average temperature in Madison, United States hovers around 19°C (66°F). Expect variations with minimums dipping to 4°C (39°F) and maximums soaring up to 35°C (95°F). During this month, precipitation totals around 201 mm (7.9 in), typically spread over 14 days. With an average humidity level of 82%, you might want to pack accordingly for a rather damp experience!

May Temperature in Madison

In May in Madison, the average temperature is 19°C (66°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 4°C (39°F). This pleasant range makes Madison an ideal destination for travelers seeking a comfortable climate.

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 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303345546676797672574337
Data source: Temperature data for Madison 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 Madison

In Madison in May, the precipitation amount is 201 mm (7.9 in) over a span of 14 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 201 mm (7.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec635611410620112494104611115439
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Madison

In Madison in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)63 mm (2.5 inches)82%moderate
February Weather0°C (33°F)56 mm (2.2 inches)80%moderate
March Weather7°C (46°F)114 mm (4.5 inches)80%high
April Weather12°C (54°F)106 mm (4.2 inches)80%very high
May Weather19°C (66°F)201 mm (7.9 inches)82%very high
June Weather25°C (77°F)124 mm (4.9 inches)83%extreme
July Weather26°C (80°F)94 mm (3.7 inches)81%extreme
August Weather24°C (76°F)104 mm (4.1 inches)80%very high
September Weather22°C (72°F)61 mm (2.4 inches)76%very high
October Weather14°C (57°F)111 mm (4.4 inches)76%high
November Weather6°C (43°F)54 mm (2.1 inches)85%moderate
December Weather3°C (37°F)39 mm (1.5 inches)86%moderate

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