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August Weather in Brainerd, United States

Last updated: June 24, 2025

The average temperature in Brainerd, United States during August is a pleasant 20°C (69°F), with temperatures ranging from a cool 9°C (48°F) to a warm 32°C (90°F). You can expect about 98 mm (3.9 in) of precipitation spread over 10 days, and the average humidity hovers around 77%.

August Temperature in Brainerd

In August in Brainerd, the average temperature is 20°C (69°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 9°C (48°F). This makes Brainerd an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates August temperature patterns in Brainerd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brainerd, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec131229405669726961453020
Data source: Temperature data for Brainerd 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 Brainerd

In Brainerd in August, the total precipitation amount is 98 mm (3.9 in) recorded over a span of 10 days.

August Precipitation Trends in Brainerd

The chart displays monthly precipitation patterns in Brainerd, 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 Brainerd, August typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec19244065738391981101072751
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Brainerd

In Brainerd in August, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

August Average Humidity in Brainerd

This chart illustrates the average monthly humidity levels in Brainerd, 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 Brainerd is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Brainerd

In Brainerd in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Brainerd.

Maximum UV Index Levels in Brainerd for August

The chart shows the monthly maximum UV Index (UVI) for Brainerd 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 Brainerd typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Brainerd 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 Brainerd Compares to Other Months

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

This table compares monthly weather conditions in Brainerd, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)19 mm (0.8 inches)92%low
February Weather-11°C (13°F)24 mm (0.9 inches)93%moderate
March Weather-1°C (30°F)40 mm (1.6 inches)88%moderate
April Weather4°C (40°F)64 mm (2.5 inches)83%high
May Weather13°C (56°F)73 mm (2.9 inches)76%very high
June Weather20°C (69°F)83 mm (3.2 inches)76%very high
July Weather22°C (73°F)91 mm (3.6 inches)76%very high
August Weather20°C (69°F)98 mm (3.9 inches)77%very high
September Weather16°C (61°F)110 mm (4.3 inches)77%high
October Weather7°C (46°F)107 mm (4.2 inches)82%moderate
November Weather-1°C (30°F)27 mm (1.1 inches)87%moderate
December Weather-7°C (20°F)51 mm (2.0 inches)89%low

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