August Weather in Brillion, United States

Last updated: June 24, 2025

In August, the average temperature in Brillion, United States hovers around 21°C (70°F). While you may experience a minimum of 6°C (44°F), temperatures can soar to a maximum of 32°C (90°F). Expect about 101 mm (4.0 in) of precipitation spread over 12 days, with an average humidity level of 73%. Prepare for a mix of warmth and occasional showers!

August Temperature in Brillion

In August in Brillion, the average temperature is 21°C (70°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 6°C (44°F). This makes it an ideal time for travelers seeking a pleasant climate with warm days and cooler nights.

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

The chart illustrates August temperature patterns in Brillion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brillion, August typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (44°F).

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

August Precipitation in Brillion

In Brillion in August, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

August Precipitation Trends in Brillion

The chart displays monthly precipitation patterns in Brillion, 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 Brillion, August typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Brillion

In Brillion in August, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

August Average Humidity in Brillion

This chart illustrates the average monthly humidity levels in Brillion, 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 Brillion is approximately 73%, 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 Brillion

In Brillion 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 Brillion.

Maximum UV Index Levels in Brillion for August

The chart shows the monthly maximum UV Index (UVI) for Brillion 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 Brillion typically reaches 9, which falls under the very high exposure category.

Data source: Brillion 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 Brillion Compares to Other Months

Weather in Brillion varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Brillion, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brillion, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	43 mm (1.7 inches)	89%	low
February Weather	-6°C (21°F)	47 mm (1.9 inches)	90%	moderate
March Weather	1°C (34°F)	58 mm (2.3 inches)	87%	moderate
April Weather	6°C (43°F)	98 mm (3.9 inches)	84%	high
May Weather	14°C (57°F)	104 mm (4.1 inches)	77%	very high
June Weather	20°C (68°F)	103 mm (4.1 inches)	75%	very high
July Weather	23°C (73°F)	110 mm (4.3 inches)	74%	very high
August Weather	21°C (70°F)	101 mm (4.0 inches)	73%	very high
September Weather	17°C (63°F)	69 mm (2.7 inches)	78%	high
October Weather	10°C (50°F)	97 mm (3.8 inches)	84%	moderate
November Weather	2°C (36°F)	48 mm (1.9 inches)	89%	moderate
December Weather	-3°C (27°F)	51 mm (2.0 inches)	87%	low