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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 18°C (65°F), with a minimum dipping to 1°C (34°F) and a maximum reaching up to 31°C (89°F). Expect 167 mm (6.6 in) of precipitation spread over 16 days, contributing to an average humidity of 83%. Be prepared for a mix of warmth and rain as you explore this vibrant locale!

May Temperature in Madison

In May in Madison, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 31°C (89°F), while lows can drop to around 1°C (34°F). Be prepared for a wide range of temperatures during your travels, making it essential to pack accordingly for both warm days and cool nights.

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 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec364247556571757369604641
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 167 mm (6.6 in) occurring over a span of 16 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 167 mm (6.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec10216612814016716112711510612480128
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 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%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.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
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 Weather2°C (36°F)102 mm (4.0 inches)87%moderate
February Weather5°C (42°F)166 mm (6.5 inches)87%moderate
March Weather8°C (47°F)128 mm (5.0 inches)86%high
April Weather13°C (56°F)140 mm (5.5 inches)84%very high
May Weather18°C (65°F)167 mm (6.6 inches)83%very high
June Weather22°C (71°F)161 mm (6.3 inches)83%extreme
July Weather24°C (76°F)127 mm (5.0 inches)79%extreme
August Weather23°C (74°F)115 mm (4.5 inches)66%very high
September Weather21°C (70°F)106 mm (4.2 inches)68%very high
October Weather15°C (60°F)124 mm (4.9 inches)78%high
November Weather8°C (46°F)80 mm (3.2 inches)89%moderate
December Weather5°C (41°F)127 mm (5.0 inches)86%moderate

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