TODAY JUL06
TEMPERATURE71
HUMIDITY44
PRESSURE30.1
WIND COND.290 5.4
  • 7152Mon20%
  • 6853Tue50%20%
  • 7253Wed20%
  • 7254Thu
  • 7253Fri
daynightWeather update from Olympia, Olympia Airport at

Key findings

  • The highest monthly average temperature in The Birches for July is 64 degrees
  • The lowest monthly average temperature in The Birches for December is 38 degrees
  • The most monthly precipitation in The Birches occurs in November with 9.7 inches
  • The air quality index in The Birches is 40% better than the national average
  • The pollution index in The Birches is 32% worse than the national average

Compare Olympia, WA Weather

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      The Birches 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
      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"

      The Birches 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.
      IndexThe BirchesOlympiaWashington
      Air quality index303036
      Pollution index6,704,3306,704,3308,596,989

      The Birches air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality323
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      The Birches air quality information

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

      Average monthly The Birches temperature with heat index

      The Birches monthly precipitation with daily maximum

      The Birches monthly snow depth with daily maximum

      The Birches monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Rochester, WA2,9122060%
      Tenino, WA1,7442060%
      Grand Mound, WA3,5152060%
      Shelton, WA9,8322158%
      Anderson Island, WA1,1503040%
      Olympia, WA49,6083040%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wilson, NC49,5583628%
      Downers Grove, IL49,5555510%
      Poway, CA49,6756428%
      Logan, UT49,5394412%
      Ashburn, VA49,692476%
      Olympia, WA49,6083040%
      Source: The The Birches, Olympia, 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.