August Weather in Sun Prairie, United States

Last updated: June 24, 2025

In August, the average temperature in Sun Prairie, United States settles at a pleasant 22°C (71°F), with a minimum of 8°C (46°F) and a maximum reaching up to 33°C (92°F). Expect around 106 mm (4.2 in) of precipitation over the span of 11 days, contributing to an average humidity of 76%. Whether you're exploring the outdoors or seeking indoor comfort, the weather promises a mix of warm days and refreshing rain!

August Temperature in Sun Prairie

In August in Sun Prairie, the average temperature is 22°C (71°F). Maximums can reach 33°C (92°F) and minimums can be as low as 8°C (46°F). This pleasant climate makes it an ideal destination for travelers seeking a variety of outdoor activities.

August Weather in Sun Prairie: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sun Prairie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sun Prairie, August typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec212235455970747164513629
Data source: Temperature data for Sun Prairie 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 Sun Prairie

In Sun Prairie in August, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

August Precipitation Trends in Sun Prairie

The chart displays monthly precipitation patterns in Sun Prairie, 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 Sun Prairie, August typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec51535799130114991061101184346
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sun Prairie

In Sun Prairie in August, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

August Average Humidity in Sun Prairie

This chart illustrates the average monthly humidity levels in Sun Prairie, 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 Sun Prairie is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sun Prairie

In Sun Prairie 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 Sun Prairie.

Maximum UV Index Levels in Sun Prairie for August

The chart shows the monthly maximum UV Index (UVI) for Sun Prairie 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 Sun Prairie typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
Data source: Sun Prairie 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 Sun Prairie Compares to Other Months

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

This table compares monthly weather conditions in Sun Prairie, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)51 mm (2.0 inches)85%moderate
February Weather-6°C (22°F)53 mm (2.1 inches)85%moderate
March Weather2°C (35°F)57 mm (2.3 inches)85%moderate
April Weather7°C (46°F)99 mm (3.9 inches)85%very high
May Weather15°C (59°F)130 mm (5.1 inches)78%very high
June Weather21°C (70°F)114 mm (4.5 inches)80%very high
July Weather24°C (75°F)99 mm (3.9 inches)78%very high
August Weather22°C (71°F)106 mm (4.2 inches)76%very high
September Weather18°C (65°F)110 mm (4.3 inches)79%very high
October Weather11°C (51°F)118 mm (4.6 inches)83%moderate
November Weather2°C (36°F)43 mm (1.7 inches)88%moderate
December Weather-2°C (29°F)46 mm (1.8 inches)81%low

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