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August Weather in Richland, United States

Last updated: June 24, 2025

In Richland, United States, the average temperature in August hovers around 25°C (76°F), providing a pleasant climate for outdoor activities. Temperatures can range from a cool 13°C (55°F) to a sweltering 37°C (98°F), so pack accordingly! Expect about 91 mm (3.6 in) of precipitation over 12 days, resulting in an average humidity of 68%, which adds a touch of tropical flair to your visit.

August Temperature in Richland

In August in Richland, the average temperature is 25°C (76°F). Maximums can reach 37°C (98°F) and minimums can be as low as 13°C (55°F). This makes Richland a great destination for those who enjoy warm weather but should be prepared for occasional heat waves and cooler evenings.

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 25°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748556675797672594641
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 91 mm (3.6 in) over a period of 12 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 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7981130148165959891511346452
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 68%. With an average temperature of 25°C (76°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sweaty, prompting frequent breaks in the shade and an appreciation for refreshing drinks.

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 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather1°C (34°F)79 mm (3.1 inches)81%moderate
February Weather3°C (37°F)80 mm (3.2 inches)78%high
March Weather9°C (49°F)130 mm (5.1 inches)76%high
April Weather13°C (55°F)148 mm (5.8 inches)78%very high
May Weather19°C (66°F)165 mm (6.5 inches)83%very high
June Weather24°C (76°F)95 mm (3.7 inches)83%extreme
July Weather26°C (79°F)98 mm (3.9 inches)78%extreme
August Weather25°C (76°F)91 mm (3.6 inches)68%very high
September Weather22°C (73°F)51 mm (2.0 inches)64%very high
October Weather15°C (59°F)134 mm (5.3 inches)70%high
November Weather8°C (46°F)64 mm (2.5 inches)83%moderate
December Weather5°C (41°F)52 mm (2.1 inches)87%moderate

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