August Weather in McChord Air Force Base, United States

Last updated: June 24, 2025

In August, the average temperature in McChord Air Force Base, United States hovers around 20°C (68°F), with a minimum dipping to 12°C (53°F) and a maximum reaching 33°C (91°F). Expect a moderate precipitation total of 11 mm (0.5 in) spread over just 3 days, complemented by an average humidity level of 73%.

August Temperature in McChord Air Force Base

In August, in McChord Air Force Base, the average temperature is a pleasant 20°C (68°F). Maximum temperatures can reach a warm 33°C (91°F), while minimums can drop to a cooler 12°C (53°F). This makes McChord Air Force Base an ideal destination for travelers looking to enjoy comfortable weather during August.

August Weather in McChord Air Force Base: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in McChord Air Force Base, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McChord Air Force Base, August typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec434246505762676762534743
Data source: Temperature data for McChord Air Force Base 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 McChord Air Force Base

In McChord Air Force Base in August, the precipitation amount is 11 mm (0.5 in) spread over a duration of 3 days.

August Precipitation Trends in McChord Air Force Base

The chart displays monthly precipitation patterns in McChord Air Force Base, 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 McChord Air Force Base, August typically receives around 11 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec169151116102534681283123167184
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in McChord Air Force Base

In McChord Air Force Base in August, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.

August Average Humidity in McChord Air Force Base

This chart illustrates the average monthly humidity levels in McChord Air Force Base, 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 McChord Air Force Base is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in McChord Air Force Base

In McChord Air Force Base in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in McChord Air Force Base.

Maximum UV Index Levels in McChord Air Force Base for August

The chart shows the monthly maximum UV Index (UVI) for McChord Air Force Base 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 McChord Air Force Base typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: McChord Air Force Base 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 McChord Air Force Base Compares to Other Months

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

This table compares monthly weather conditions in McChord Air Force Base, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)168 mm (6.6 inches)86%low
February Weather5°C (42°F)151 mm (6.0 inches)84%moderate
March Weather8°C (46°F)116 mm (4.6 inches)85%moderate
April Weather10°C (50°F)102 mm (4.0 inches)83%high
May Weather14°C (57°F)53 mm (2.1 inches)84%very high
June Weather17°C (62°F)46 mm (1.8 inches)84%very high
July Weather19°C (67°F)8 mm (0.3 inches)82%very high
August Weather20°C (68°F)11 mm (0.5 inches)73%very high
September Weather17°C (63°F)83 mm (3.3 inches)74%high
October Weather12°C (53°F)123 mm (4.9 inches)83%moderate
November Weather9°C (48°F)167 mm (6.6 inches)86%moderate
December Weather6°C (43°F)184 mm (7.2 inches)87%low

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