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August Weather in Walnut Grove, United States

Last updated: June 24, 2025

In Walnut Grove, United States, the average temperature in August is a pleasant 21°C (71°F). Expect lows of 9°C (48°F) and highs reaching up to 35°C (95°F). During this time, precipitation amounts can reach 128 mm (5.1 in) over 11 days, contributing to an average humidity level of 83%. Ideal for enjoying the warm climate, but don't forget your umbrella!

August Temperature in Walnut Grove

In August in Walnut Grove, the average temperature is 21°C (71°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 9°C (48°F). This weather makes Walnut Grove an ideal destination for travelers looking to enjoy mild temperatures and a pleasant climate.

August Weather in Walnut Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Walnut Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walnut Grove, August typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec171733435972747064483425
Data source: Temperature data for Walnut Grove 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 Walnut Grove

In Walnut Grove in August, the precipitation amount is 128 mm (5.1 in) spread over 11 days.

August Precipitation Trends in Walnut Grove

The chart displays monthly precipitation patterns in Walnut Grove, 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 Walnut Grove, August typically receives around 128 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec27276583122104118128107923041
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Walnut Grove

In Walnut Grove in August humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

August Average Humidity in Walnut Grove

This chart illustrates the average monthly humidity levels in Walnut Grove, 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 Walnut Grove is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Walnut Grove

In Walnut Grove 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 Walnut Grove.

Maximum UV Index Levels in Walnut Grove for August

The chart shows the monthly maximum UV Index (UVI) for Walnut Grove 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 Walnut Grove typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910998532
Data source: Walnut Grove 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 Walnut Grove Compares to Other Months

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

This table compares monthly weather conditions in Walnut Grove, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)27 mm (1.0 inches)85%moderate
February Weather-9°C (17°F)27 mm (1.1 inches)89%moderate
March Weather1°C (33°F)65 mm (2.6 inches)81%moderate
April Weather6°C (43°F)83 mm (3.3 inches)82%very high
May Weather15°C (59°F)122 mm (4.8 inches)76%very high
June Weather22°C (72°F)104 mm (4.1 inches)81%very high
July Weather23°C (74°F)118 mm (4.6 inches)82%very high
August Weather21°C (71°F)128 mm (5.1 inches)83%very high
September Weather18°C (65°F)107 mm (4.2 inches)82%very high
October Weather9°C (48°F)92 mm (3.6 inches)82%moderate
November Weather1°C (34°F)30 mm (1.2 inches)87%moderate
December Weather-4°C (25°F)41 mm (1.6 inches)84%low

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