TODAY NOV21
TEMPERATURE47
HUMIDITY68
PRESSURE101250
WIND COND.40 11.2
  • 5644Fri100%80%
  • 5241Sat70%80%
  • 4937Sun70%
  • 4936Mon
  • 4837Tue
daynightWeather update from Bellingham, Bellingham International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lettered Streets for July is 63.3 degrees
  • The lowest monthly average temperature in Lettered Streets for December is 38.5 degrees
  • The most monthly precipitation in Lettered Streets occurs in November with 5.2 inches
  • The air quality index in Lettered Streets is 19% better than the national average
  • The pollution index in Lettered Streets is 82% better than the national average

Compare Bellingham, WA Weather

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      Lettered Streets 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
      January33°F46°F39°F4.4"
      February35°F50°F41°F3.0"
      March38°F53°F45°F4.1"
      April41°F58°F49°F2.9"
      May46°F65°F55°F2.3"
      June51°F69°F59°F1.6"
      July54°F74°F63°F0.7"
      August54°F75°F63°F0.9"
      September49°F69°F58°F2.1"
      October43°F60°F51°F4.0"
      November38°F51°F44°F5.2"
      December33°F45°F38°F4.2"

      Lettered Streets 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.
      IndexLettered StreetsBellinghamWashington
      Air quality index343436
      Pollution index480,925480,9254,541,850

      Lettered Streets air quality

      MeasurementTotal
      Days measured365
      Days with good air quality277
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.040%
      Mercury0.000%

      Average monthly Lettered Streets temperature with heat index

      Lettered Streets monthly precipitation with daily maximum

      Lettered Streets monthly snow depth with daily maximum

      Lettered Streets monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Edison, WA2642452.0%
      Marietta-Alderwood, WA3,4633432.0%
      Alger, WA1503432.0%
      Nooksack, WA1,5943432.0%
      Birch Bay, WA9,9173432.0%
      Bellingham, WA90,8213432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Westminster, CA90,8577244.0%
      Santa Barbara, CA90,9114412.0%
      Kirkland, WA91,1464510.0%
      San Leandro, CA90,4894020.0%
      Carson, CA91,3547244.0%
      Bellingham, WA90,8213432.0%
      Source: The Lettered Streets, Bellingham, 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.