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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 warm 27°C (81°F). Expect minimums around 19°C (67°F) and maximums soaring up to 37°C (99°F). During this month, the precipitation totals 145 mm (5.7 in), spread over approximately 21 days, and the average humidity hovers around a comfortable 79%.

August Temperature in Madison

In August in Madison, the average temperature is 27°C (81°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 19°C (67°F). This warm climate makes Madison an ideal destination for travelers seeking sun-soaked adventures and pleasant 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 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec546063687580818179746156
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 total precipitation amount is 145 mm (5.7 in) spread over 21 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 145 mm (5.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec67854679821561611451136854114
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 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111121110864
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 Weather12°C (54°F)67 mm (2.6 inches)85%moderate
February Weather15°C (60°F)85 mm (3.3 inches)82%very high
March Weather17°C (64°F)46 mm (1.8 inches)80%very high
April Weather20°C (69°F)78 mm (3.1 inches)76%very high
May Weather24°C (76°F)82 mm (3.2 inches)73%extreme
June Weather26°C (80°F)156 mm (6.2 inches)74%extreme
July Weather27°C (81°F)161 mm (6.3 inches)80%extreme
August Weather27°C (81°F)145 mm (5.7 inches)79%extreme
September Weather26°C (80°F)113 mm (4.5 inches)83%very high
October Weather23°C (74°F)68 mm (2.7 inches)77%very high
November Weather16°C (61°F)54 mm (2.1 inches)84%high
December Weather14°C (57°F)114 mm (4.5 inches)88%moderate

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