TODAY AUG20
TEMPERATURE62
HUMIDITY72
PRESSURE30.02
WIND COND.
  • 8454Mon
  • 8653Tue
  • 8454Wed
  • 7453Thu
  • 7352Fri
daynightWeather update from Olympia, Olympia Airport at

Tumwater Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January32°F47°F39°F7.3"
February32°F51°F41°F4.8"
March35°F55°F44°F7.0"
April36°F61°F48°F3.5"
May42°F68°F55°F2.7"
June47°F73°F59°F1.5"
July50°F80°F64°F0.6"
August50°F81°F64°F1.0"
September46°F74°F59°F2.5"
October41°F62°F51°F5.5"
November35°F52°F44°F9.7"
December31°F46°F38°F8.0"

Did you know?

  • The highest monthly average temperature in Tumwater for July is 64 degrees.
  • The lowest monthly average temperature in Tumwater for December is 38 degrees.
  • The most monthly precipitation in Tumwater occurs in November with 9.7 inches.
  • The air quality index in Tumwater is 37% better than the national average.
  • The pollution index in Tumwater is 32% worse than the national average.

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Compare Tumwater, WA Weather To Other Cities

Tumwater air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexTumwaterWashingtonNational
Air quality index313650
Pollution index6,704,3308,596,9895,066,862

Tumwater air quality information

MeasurementTotal
Days measured364
Days with good air quality291
Days with moderate air quality70
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Tumwater air quality information

PollutantTotal
Arsenic0.003%
Benzene0.100%
Carbon Tetrachloride0.004%
Lead0.030%
Mercury0.003%

Average monthly Tumwater temperature with heat index

Tumwater monthly precipitation with daily maximum

Tumwater monthly snow depth with daily maximum

Tumwater monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Oakville, WA7242452%
Bucoda, WA5932452%
Tenino, WA1,7442452%
Grand Mound, WA3,5152452%
Rochester, WA2,9122452%
Tumwater, WA21,6843138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Saginaw, TX21,680548%
Farragut, TN21,690468%
Kiryas Joel, NY21,6653628%
Lumberton, NC21,6463040%
Venice, FL21,7223824%
Tumwater, WA21,6843138%
Source: The Tumwater, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.