Bellingham Intl Ap, Washington
  ID: USW00024217  Latitude:  48.7939  Longitude: -122.5372
  Elevation: 149 feet (  45.4 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 34.71 in., 13.67 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Bellingham Intl Ap, Washington
  Monthly Data from NOAA Monthly Normals 2006-2020
  
  
    Imperial Units
    
      | Statistic | Units | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 
          
      | Maximum Temperature | °F | 46.7 | 48.0 | 52.3 | 57.2 | 64.1 | 67.9 | 73.1 | 73.6 | 68.5 | 59.1 | 51.2 | 45.0 | 
          
      | Minimum Temperature | °F | 34.4 | 34.6 | 37.4 | 41.3 | 46.8 | 51.8 | 55.2 | 54.8 | 50.2 | 43.3 | 38.5 | 34.0 | 
      
      
          
      | Heating Degree Days | °F | 758.0 | 663.6 | 624.7 | 472.5 | 296.8 | 162.5 | 62.3 | 59.8 | 175.1 | 427.8 | 604.5 | 790.4 | 
          
      | Cooling Degree Days | °F | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 8.0 | 35.9 | 34.9 | 5.6 | 0.0 | 0.0 | 0.0 | 
          
      | Precipitation | I | 4.5 | 3.1 | 3.7 | 2.9 | 2.2 | 1.5 | 0.6 | 0.8 | 2.3 | 3.9 | 5.1 | 4.4 | 
  
   
  
  
  
  
    Metric Units
    
      | Statistic | Units | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 
          
      | Maximum Temperature | °C | 8.2 | 8.9 | 11.3 | 14.0 | 17.8 | 19.9 | 22.8 | 23.1 | 20.3 | 15.1 | 10.7 | 7.2 | 
          
      | Minimum Temperature | °C | 1.3 | 1.4 | 3.0 | 5.2 | 8.2 | 11.0 | 12.9 | 12.7 | 10.1 | 6.3 | 3.6 | 1.1 | 
      
      
          
      | Heating Degree Days | °C | 403.3 | 350.9 | 329.3 | 244.7 | 147.1 | 72.5 | 16.8 | 15.4 | 79.5 | 219.9 | 318.1 | 421.3 | 
          
      | Cooling Degree Days | °C | -17.8 | -17.8 | -17.8 | -17.8 | -17.4 | -13.3 | 2.2 | 1.6 | -14.7 | -17.8 | -17.8 | -17.8 | 
          
      | Precipitation | M | 11.4 | 7.8 | 9.4 | 7.3 | 5.5 | 3.8 | 1.6 | 2.1 | 5.7 | 9.8 | 12.9 | 11.2 |