TODAY MAR31
TEMPERATURE39
HUMIDITY96
PRESSURE29.94
WIND COND.60 4.7
  • 4836Tue90%80%
  • 5034Wed60%20%
  • 4834Thu40%30%
  • 4933Fri
  • 5036Sat
daynightWeather update from Hoquiam, Bowerman Airport at
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Cosmopolis Average Temperature

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
January37°F49°F42°F10.5"
February38°F51°F44°F6.3"
March40°F53°F46°F9.8"
April42°F57°F49°F5.4"
May47°F62°F53°F3.4"
June51°F65°F57°F1.8"
July53°F69°F60°F0.9"
August54°F70°F60°F1.0"
September51°F69°F59°F2.7"
October46°F61°F53°F7.6"
November41°F53°F46°F12.6"
December36°F47°F41°F10.1"

Did you know?

  • The highest monthly average temperature in Cosmopolis for August is 60 degrees.
  • The lowest monthly average temperature in Cosmopolis for December is 41 degrees.
  • The most monthly precipitation in Cosmopolis occurs in November with 12.6 inches.
  • The air quality index in Cosmopolis is 58% better than the national average.
  • The pollution index in Cosmopolis is 43% better than the national average.

Compare Cosmopolis, WA Weather To Other Cities

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      Cosmopolis 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.
      IndexCosmopolisWashingtonNational
      Air quality index213650
      Pollution index2,873,3908,596,9895,066,862

      Cosmopolis air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality316
      Days with moderate air quality49
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Cosmopolis air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Cosmopolis temperature with heat index

      Cosmopolis monthly precipitation with daily maximum

      Cosmopolis monthly snow depth with daily maximum

      Cosmopolis monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Brady, WA5902158%
      Markham, WA2272158%
      Central Park, WA2,6652158%
      Montesano, WA3,8972158%
      Aberdeen, WA16,3352158%
      Cosmopolis, WA1,5392158%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Redby, MN1,5392942%
      Rossville, IN1,539524%
      Midtown, TN1,539536%
      Lazy Mountain, AK1,5382942%
      Oak Grove, LA1,5385612%
      Cosmopolis, WA1,5392158%
      Source: The Cosmopolis, 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.