August Weather in Madison, United States

Last updated: June 24, 2025

In August, the average temperature in Madison, United States is a warm 27°C (81°F). Expect a comfortable minimum of 18°C (65°F), while the mercury can rise to a scorching 36°C (97°F). Be prepared for 129 mm (5.1 in) of precipitation spread over 15 days, and stay hydrated as the average humidity hovers around 75%.

August Temperature in Madison

In August in Madison, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), while the minimum can dip to 18°C (65°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

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 36°C (97°F) and lows dropping to around 18°C (65°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 129 mm (5.1 in) over a span of 15 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 129 mm (5.1 inches) of precipitation spread over approximately 15 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 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

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 75%, 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 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.

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	9°C (48°F)	113 mm (4.4 inches)	84%	moderate
February Weather	11°C (53°F)	164 mm (6.5 inches)	83%	high
March Weather	16°C (60°F)	128 mm (5.0 inches)	80%	very high
April Weather	18°C (64°F)	164 mm (6.5 inches)	82%	extreme
May Weather	23°C (74°F)	122 mm (4.8 inches)	83%	extreme
June Weather	26°C (79°F)	141 mm (5.5 inches)	80%	extreme
July Weather	28°C (82°F)	100 mm (3.9 inches)	80%	extreme
August Weather	27°C (81°F)	129 mm (5.1 inches)	75%	extreme
September Weather	26°C (78°F)	94 mm (3.7 inches)	73%	very high
October Weather	20°C (69°F)	113 mm (4.4 inches)	76%	very high
November Weather	12°C (55°F)	72 mm (2.8 inches)	84%	high
December Weather	11°C (52°F)	122 mm (4.8 inches)	88%	moderate