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Key findings

  • The highest monthly average temperature in Lettered Streets for July is 63 degrees
  • The lowest monthly average temperature in Lettered Streets for December is 38 degrees
  • The most monthly precipitation in Lettered Streets occurs in November with 5.2 inches
  • The air quality index in Lettered Streets is 32% better than the national average
  • The pollution index in Lettered Streets is 91% 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 index480,925480,9258,596,989

      Lettered Streets air quality information

      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

      Lettered Streets air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Edison, WA1352452%
      Ferndale, WA12,6663432%
      Custer, WA4483432%
      Everson, WA2,5553432%
      Deming, WA2463432%
      Bellingham, WA84,4623432%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Bend, OR84,4162060%
      Edinburg, TX84,3994216%
      Trenton, NJ84,5594118%
      Riverview, FL84,5904314%
      Champaign, IL84,6724216%
      Bellingham, WA84,4623432%
      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.