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August Weather in Three Forks, United States

Last updated: June 24, 2025

In August, the average temperature in Three Forks, United States is a pleasant 20°C (69°F). However, temperatures can vary significantly, dipping as low as 4°C (40°F) and soaring up to 36°C (97°F). Expect around 21 mm (0.8 in) of precipitation spread over 4 days, contributing to an average humidity level of 69%.

August Temperature in Three Forks

In August in Three Forks, the average temperature is 20°C (69°F). Maximums can reach 36°C (97°F) while minimums can drop to as low as 4°C (40°F). This variety in temperatures makes it essential for travelers to pack both light clothing for the warmer days and layers for cooler evenings.

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

The chart illustrates August temperature patterns in Three Forks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Three Forks, August typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec211933415262706858423124
Data source: Temperature data for Three Forks 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 Forks

In Three Forks in August, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

August Precipitation Trends in Three Forks

The chart displays monthly precipitation patterns in Three Forks, 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 Forks, August typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec184327545764132131322723
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Three Forks

In Three Forks in August humidity is 69%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping embrace, making travel feel both refreshing and slightly sticky, as you navigate the vibrant atmosphere with a pleasant sheen of perspiration glistening on your skin.

August Average Humidity in Three Forks

This chart illustrates the average monthly humidity levels in Three Forks, 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 Forks is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%83%79%76%74%69%67%72%89%94%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Three Forks

In Three Forks 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 Forks.

Maximum UV Index Levels in Three Forks for August

The chart shows the monthly maximum UV Index (UVI) for Three Forks 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 Forks typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098532
Data source: Three Forks 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 Forks Compares to Other Months

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

This table compares monthly weather conditions in Three Forks, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)18 mm (0.7 inches)93%moderate
February Weather-7°C (19°F)43 mm (1.7 inches)92%moderate
March Weather0°C (33°F)27 mm (1.1 inches)89%high
April Weather5°C (41°F)54 mm (2.1 inches)83%very high
May Weather11°C (52°F)57 mm (2.2 inches)79%very high
June Weather17°C (62°F)64 mm (2.5 inches)76%extreme
July Weather21°C (71°F)13 mm (0.5 inches)74%very high
August Weather20°C (69°F)21 mm (0.8 inches)69%very high
September Weather15°C (59°F)31 mm (1.2 inches)67%very high
October Weather5°C (42°F)32 mm (1.2 inches)72%moderate
November Weather0°C (32°F)27 mm (1.1 inches)89%moderate
December Weather-4°C (24°F)23 mm (0.9 inches)94%low

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