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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 18°C (66°F), providing a pleasant climate for outdoor activities. Expect temperature fluctuations with a minimum of 0°C (32°F) and a maximum reaching up to 36°C (97°F). During this month, expect 10 mm (0.4 in) of precipitation spread across approximately 3 days, and enjoy a comfortable average humidity level of 60%.

August Temperature in Three Rivers

In August in Three Rivers, the average temperature is 18°C (66°F). Maximums can reach 36°C (97°F), while minimums can drop as low as 0°C (32°F). Be sure to pack a variety of clothing to accommodate the wide temperature range during your travels.

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 18°C (66°F), with highs reaching up to 36°C (97°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303135414957666556443630
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 10 mm (0.4 in) over a period of 3 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 10 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec871046561412481032437282
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 60%. With average temperature 18°C (66°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls and explorations while ensuring you stay hydrated.

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 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%87%86%79%80%77%60%57%76%87%88%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110108642
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-1°C (31°F)87 mm (3.4 inches)87%moderate
February Weather-1°C (31°F)104 mm (4.1 inches)87%moderate
March Weather2°C (36°F)65 mm (2.6 inches)87%high
April Weather5°C (41°F)61 mm (2.4 inches)86%very high
May Weather9°C (49°F)41 mm (1.6 inches)79%extreme
June Weather14°C (58°F)24 mm (0.9 inches)80%extreme
July Weather19°C (66°F)8 mm (0.3 inches)77%very high
August Weather18°C (66°F)10 mm (0.4 inches)60%very high
September Weather13°C (56°F)32 mm (1.3 inches)57%very high
October Weather7°C (44°F)43 mm (1.7 inches)76%high
November Weather2°C (36°F)72 mm (2.8 inches)87%moderate
December Weather-1°C (31°F)82 mm (3.2 inches)88%low

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