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August Weather in Richland, United States

Last updated: June 24, 2025

In August, the average temperature in Richland, United States is a pleasant 22°C (72°F). However, temperatures can swing from a chilly 8°C (46°F) at night to a warm 33°C (92°F) during the day. Visitors should be prepared for some rain, with an average precipitation of 78 mm (3.1 in) spread over 11 days. Don't forget to stay hydrated, as the average humidity is fairly high at 79%!

August Temperature in Richland

In August in Richland, the average temperature is 22°C (72°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 8°C (46°F). This makes it an ideal time for travelers to experience a comfortable climate while exploring the diverse attractions of Richland.

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

The chart illustrates August temperature patterns in Richland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richland, August typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070757266533932
Data source: Temperature data for Richland 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 Richland

In Richland in August, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.

August Precipitation Trends in Richland

The chart displays monthly precipitation patterns in Richland, 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 Richland, August typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7275769015211896781031366867
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Richland

In Richland in August humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

August Average Humidity in Richland

This chart illustrates the average monthly humidity levels in Richland, 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 Richland is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Richland

In Richland 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 Richland.

Maximum UV Index Levels in Richland for August

The chart shows the monthly maximum UV Index (UVI) for Richland 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 Richland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Richland 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 Richland Compares to Other Months

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

This table compares monthly weather conditions in Richland, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)72 mm (2.8 inches)87%moderate
February Weather-3°C (27°F)75 mm (3.0 inches)87%moderate
March Weather3°C (37°F)76 mm (3.0 inches)86%high
April Weather8°C (47°F)90 mm (3.6 inches)87%very high
May Weather15°C (60°F)152 mm (6.0 inches)82%very high
June Weather21°C (70°F)118 mm (4.6 inches)81%very high
July Weather24°C (75°F)96 mm (3.8 inches)78%very high
August Weather22°C (72°F)78 mm (3.1 inches)79%very high
September Weather19°C (66°F)103 mm (4.1 inches)79%high
October Weather12°C (53°F)136 mm (5.4 inches)82%moderate
November Weather4°C (39°F)68 mm (2.7 inches)87%moderate
December Weather0°C (33°F)67 mm (2.6 inches)86%low

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