St John, Washington
  ID: USC00457267  Latitude:  47.0933  Longitude: -117.5878
  Elevation: 1952.1 feet ( 595.0 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 17.05 in., 6.71 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for St John, 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 | 36.8 | 40.7 | 48.8 | 56.8 | 67.0 | 73.3 | 84.5 | 83.9 | 74.2 | 58.9 | 45.0 | 35.1 | 
          
      | Minimum Temperature | °F | 28.1 | 29.4 | 33.9 | 37.8 | 44.9 | 50.1 | 55.0 | 53.5 | 47.3 | 39.3 | 33.4 | 27.0 | 
      
      
          
      | Heating Degree Days | °F | 1009.1 | 838.4 | 733.3 | 531.1 | 288.5 | 137.5 | 26.6 | 31.1 | 168.2 | 494.1 | 774.1 | 1052.1 | 
          
      | Cooling Degree Days | °F | 0.0 | 0.0 | 0.0 | 0.2 | 7.8 | 38.7 | 173.6 | 145.7 | 40.6 | 1.3 | 0.0 | 0.0 | 
          
      | Precipitation | I | 2.2 | 1.3 | 2.2 | 1.6 | 1.5 | 1.1 | 0.3 | 0.3 | 0.5 | 1.4 | 2.0 | 2.4 | 
  
   
  
  
  
  
    Metric Units
    
      | Statistic | Units | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 
          
      | Maximum Temperature | °C | 2.7 | 4.8 | 9.3 | 13.8 | 19.4 | 22.9 | 29.2 | 28.8 | 23.4 | 14.9 | 7.2 | 1.7 | 
          
      | Minimum Temperature | °C | -2.2 | -1.4 | 1.1 | 3.2 | 7.2 | 10.1 | 12.8 | 11.9 | 8.5 | 4.1 | 0.8 | -2.8 | 
      
      
          
      | Heating Degree Days | °C | 542.8 | 448.0 | 389.6 | 277.3 | 142.5 | 58.6 | -3.0 | -0.5 | 75.7 | 256.7 | 412.3 | 566.7 | 
          
      | Cooling Degree Days | °C | -17.8 | -17.8 | -17.8 | -17.7 | -13.4 | 3.7 | 78.7 | 63.2 | 4.8 | -17.1 | -17.8 | -17.8 | 
          
      | Precipitation | M | 5.5 | 3.3 | 5.7 | 4.0 | 3.8 | 2.9 | 0.8 | 0.7 | 1.2 | 3.7 | 5.1 | 6.0 |