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August Weather in Three Rivers, United States

Last updated: June 24, 2025

In Three Rivers, United States, the average temperature in August hovers around 22°C (72°F). However, temperatures can range from a chilly 10°C (51°F) to a warm 32°C (90°F). Visitors can expect about 84 mm (3.3 in) of precipitation over 10 days, coupled with an average humidity of 66%. Make sure to pack accordingly!

August Temperature in Three Rivers

In August in Three Rivers, the average temperature is 22°C (72°F). Maximums can reach 32°C (90°F) and minimums can be as low as 10°C (51°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

August Weather in Three Rivers: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Three Rivers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Three Rivers, August typically has an average temperature of 22°C (72°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec283036465768737265554132
Data source: Temperature data for Three Rivers 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 Three Rivers

In Three Rivers in August, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

August Precipitation Trends in Three Rivers

The chart displays monthly precipitation patterns in Three Rivers, 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 Three Rivers, August typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7290821269784144849113995125
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Three Rivers

In Three Rivers in August, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

August Average Humidity in Three Rivers

This chart illustrates the average monthly humidity levels in Three Rivers, 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 Three Rivers is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Three Rivers

In Three Rivers 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 Three Rivers.

Maximum UV Index Levels in Three Rivers for August

The chart shows the monthly maximum UV Index (UVI) for Three Rivers 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 Three Rivers typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Three Rivers 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 Three Rivers Compares to Other Months

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

This table compares monthly weather conditions in Three Rivers, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)72 mm (2.8 inches)86%moderate
February Weather-1°C (31°F)90 mm (3.6 inches)84%moderate
March Weather2°C (36°F)82 mm (3.2 inches)82%high
April Weather8°C (47°F)126 mm (4.9 inches)80%very high
May Weather14°C (58°F)97 mm (3.8 inches)72%very high
June Weather20°C (68°F)84 mm (3.3 inches)72%very high
July Weather23°C (74°F)144 mm (5.7 inches)67%very high
August Weather22°C (72°F)84 mm (3.3 inches)66%very high
September Weather18°C (65°F)91 mm (3.6 inches)71%very high
October Weather13°C (55°F)139 mm (5.5 inches)78%high
November Weather5°C (41°F)95 mm (3.7 inches)84%moderate
December Weather0°C (32°F)125 mm (4.9 inches)81%low

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