TODAY OCT06
TEMPERATURE67
HUMIDITY51
PRESSURE102170
WIND COND.170 9.4
  • 7357Mon30%
  • 6555Tue80%70%
  • 6350Wed70%
  • 6148Thu
  • 6254Fri
daynightWeather update from Boeing Field - King County International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Belltown for August is 67.5 degrees
  • The lowest monthly average temperature in Belltown for December is 41.4 degrees
  • The most monthly precipitation in Belltown occurs in November with 6.6 inches
  • The air quality index in Belltown is 7% worse than the national average
  • The pollution index in Belltown is 60% better than the national average

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      Belltown 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
      January36°F49°F42°F5.1"
      February37°F52°F44°F3.8"
      March40°F55°F47°F4.9"
      April43°F61°F51°F3.1"
      May49°F68°F57°F2.2"
      June54°F72°F62°F1.5"
      July58°F79°F67°F0.4"
      August58°F79°F68°F0.6"
      September54°F73°F62°F1.6"
      October47°F62°F54°F3.9"
      November40°F53°F47°F6.6"
      December36°F48°F41°F6.1"

      Belltown 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.
      IndexBelltownSeattleWashington
      Air quality index454536
      Pollution index1,081,4301,081,4304,541,850

      Belltown air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Belltown temperature with heat index

      Belltown monthly precipitation with daily maximum

      Belltown monthly snow depth with daily maximum

      Belltown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lofall, WA2,1191864.0%
      Southworth, WA2,3001864.0%
      Navy Yard City, WA2,9731864.0%
      Bethel, WA4,1821864.0%
      Meadowdale, WA3,1621864.0%
      Seattle, WA741,2514510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Brampton, ON735,754n/a 
      Mississauga, ON764,342n/a 
      Denver, CO715,8785816.0%
      Winnipeg, MB775,440n/a 
      Washington, DC701,974476.0%
      Seattle, WA741,2514510.0%
      Source: The Belltown, Seattle, 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.