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August Weather in Madison, United States

Last updated: June 24, 2025

In Madison, United States, the average temperature in August is a pleasant 23°C (74°F). Expect ranges between a cool 12°C (54°F) and a warm 33°C (91°F). However, prepare for occasional rain, as the area experiences about 115 mm (4.5 in) of precipitation over 14 days. With an average humidity of 66%, the climate can feel quite comfortable, inviting you to explore!

August Temperature in Madison

In August in Madison, the average temperature is 23°C (74°F). Maximums can reach 33°C (91°F) and minimums can be as low as 12°C (54°F). This climate makes Madison an ideal destination for travelers looking to enjoy warm days and cool evenings.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (54°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.

August Precipitation in Madison

In Madison in August, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

August Precipitation Trends in Madison

The chart displays monthly precipitation patterns in Madison, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Madison, August typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10216612814016716112711510612480128
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Madison

In Madison in August humidity is 66%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still enjoyable for travelers who are properly hydrated and prepared for the moist conditions.

August Average Humidity in Madison

This chart illustrates the average monthly humidity levels in Madison, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Madison is approximately 66%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Madison

In Madison in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Madison in August, 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 August, the maximum UV index in Madison typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Madison August 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 August 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 August’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 August’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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