August Weather in Madison, United States

Last updated: June 24, 2025

In August, the average temperature in Madison, United States is a pleasant 19°C (67°F). Expect a range from a chilly minimum of 5°C (42°F) to a warm maximum of 32°C (90°F). This month typically sees 107 mm (4.2 in) of precipitation spread over 12 days, along with an average humidity level of 66%.

August Temperature in Madison

In August in Madison, the average temperature is 19°C (67°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 5°C (42°F). This range makes it an ideal time for travelers to enjoy a comfortable climate and varied outdoor activities.

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 19°C (67°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (42°F).

Data source: Temperature data for Madison generated using information from the Copernicus Climate Change Service.

August Precipitation in Madison

In Madison in August, the precipitation amount is 107 mm (4.2 in) spread over 12 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 107 mm (4.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Madison

In Madison in August humidity is 66%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making it mildly uncomfortable for traveling, as you may find yourself needing to frequently stop for hydration and to seek shade from the sun.

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.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	93 mm (3.7 inches)	86%	low
February Weather	-6°C (21°F)	97 mm (3.8 inches)	84%	moderate
March Weather	-2°C (28°F)	82 mm (3.2 inches)	82%	high
April Weather	5°C (41°F)	153 mm (6.0 inches)	80%	very high
May Weather	12°C (54°F)	97 mm (3.8 inches)	72%	very high
June Weather	17°C (63°F)	111 mm (4.4 inches)	72%	very high
July Weather	20°C (68°F)	158 mm (6.2 inches)	67%	very high
August Weather	19°C (67°F)	107 mm (4.2 inches)	66%	very high
September Weather	15°C (59°F)	73 mm (2.9 inches)	71%	high
October Weather	9°C (48°F)	155 mm (6.1 inches)	78%	moderate
November Weather	1°C (33°F)	130 mm (5.1 inches)	84%	moderate
December Weather	-5°C (23°F)	148 mm (5.8 inches)	81%	low