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August Weather in Redmond, United States

Last updated: June 24, 2025

In Redmond, United States, the average temperature in August is a pleasant 22°C (71°F). Expect temperatures to range from a cool 6°C (43°F) to a warm 35°C (95°F). With an average precipitation of 13 mm (0.5 in) spread over 3 days, the month remains relatively dry, complemented by an average humidity of just 34%.

August Temperature in Redmond

In August in Redmond, the average temperature is 22°C (71°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 6°C (43°F). This makes it an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates August temperature patterns in Redmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redmond, August typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec232533425266737161443625
Data source: Temperature data for Redmond 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 Redmond

In Redmond in August, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

August Precipitation Trends in Redmond

The chart displays monthly precipitation patterns in Redmond, 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 Redmond, August typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec39495038419151321332538
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Redmond

In Redmond in August humidity is 34%. With an average temperature of 22°C (71°F), this humidity feels like a pleasant, comfortable environment for traveling, allowing you to explore without feeling overly sticky or sluggish.

August Average Humidity in Redmond

This chart illustrates the average monthly humidity levels in Redmond, 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 Redmond is approximately 34%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Redmond

In Redmond in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Redmond.

Maximum UV Index Levels in Redmond for August

The chart shows the monthly maximum UV Index (UVI) for Redmond 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 Redmond typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110764
Data source: Redmond 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 Redmond Compares to Other Months

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

This table compares monthly weather conditions in Redmond, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)39 mm (1.5 inches)87%moderate
February Weather-4°C (26°F)49 mm (1.9 inches)88%high
March Weather1°C (33°F)50 mm (2.0 inches)77%very high
April Weather6°C (43°F)38 mm (1.5 inches)69%extreme
May Weather11°C (53°F)41 mm (1.6 inches)54%extreme
June Weather19°C (67°F)9 mm (0.3 inches)45%extreme
July Weather23°C (73°F)15 mm (0.6 inches)37%extreme
August Weather22°C (71°F)13 mm (0.5 inches)34%extreme
September Weather16°C (62°F)21 mm (0.8 inches)47%very high
October Weather7°C (44°F)33 mm (1.3 inches)67%high
November Weather2°C (37°F)25 mm (1.0 inches)82%high
December Weather-4°C (25°F)38 mm (1.5 inches)87%moderate

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