Chinook, Montana
  ID: USC00241722  Latitude:  48.5883  Longitude: -109.2267
  Elevation: 2419.9 feet ( 737.6 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 13.44 in., 5.29 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Chinook, Montana
  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 | 
    28.9 | 
    28.3 | 
    42.0 | 
    56.1 | 
    67.0 | 
    76.3 | 
    85.7 | 
    83.7 | 
    72.3 | 
    56.1 | 
    41.8 | 
    28.5 | 
    
          
      | Minimum Temperature | 
      °F | 
    6.9 | 
    5.1 | 
    17.9 | 
    28.3 | 
    39.1 | 
    48.5 | 
    53.7 | 
    51.3 | 
    41.8 | 
    28.9 | 
    17.6 | 
    6.9 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1460.4 | 
    1351.9 | 
    1086.7 | 
    684.0 | 
    378.8 | 
    117.8 | 
    22.2 | 
    50.0 | 
    262.0 | 
    697.7 | 
    1059.1 | 
    1465.8 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    8.3 | 
    39.8 | 
    167.6 | 
    127.3 | 
    23.4 | 
    0.4 | 
    0.0 | 
    0.0 | 
    
          
      | Precipitation | 
      I | 
    0.4 | 
    0.3 | 
    0.5 | 
    1.4 | 
    2.4 | 
    2.5 | 
    1.4 | 
    1.2 | 
    1.5 | 
    1.2 | 
    0.8 | 
    0.5 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    -1.7 | 
    -2.1 | 
    5.6 | 
    13.4 | 
    19.4 | 
    24.6 | 
    29.8 | 
    28.7 | 
    22.4 | 
    13.4 | 
    5.4 | 
    -1.9 | 
    
          
      | Minimum Temperature | 
      °C | 
    -13.9 | 
    -14.9 | 
    -7.8 | 
    -2.1 | 
    3.9 | 
    9.2 | 
    12.1 | 
    10.7 | 
    5.4 | 
    -1.7 | 
    -8.0 | 
    -13.9 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    793.6 | 
    733.3 | 
    585.9 | 
    362.2 | 
    192.7 | 
    47.7 | 
    -5.4 | 
    10.0 | 
    127.8 | 
    369.8 | 
    570.6 | 
    796.6 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -13.2 | 
    4.3 | 
    75.3 | 
    52.9 | 
    -4.8 | 
    -17.6 | 
    -17.8 | 
    -17.8 | 
    
          
      | Precipitation | 
      M | 
    1.0 | 
    0.9 | 
    1.4 | 
    3.6 | 
    6.0 | 
    6.4 | 
    3.7 | 
    3.1 | 
    3.8 | 
    2.9 | 
    2.1 | 
    1.1 |