Mattoon Coles Co Ap, Illinois
  ID: USW00053802  Latitude:  39.4781  Longitude:  -88.2803
  Elevation: 721.1 feet ( 219.8 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 36.00 in., 14.17 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Mattoon Coles Co Ap, Illinois
  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 | 
    36.1 | 
    39.0 | 
    52.6 | 
    64.2 | 
    74.3 | 
    83.4 | 
    85.4 | 
    84.4 | 
    79.1 | 
    66.1 | 
    51.8 | 
    40.6 | 
    
          
      | Minimum Temperature | 
      °F | 
    20.5 | 
    22.1 | 
    34.0 | 
    43.3 | 
    54.7 | 
    63.7 | 
    65.8 | 
    63.7 | 
    57.0 | 
    45.2 | 
    34.2 | 
    26.5 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1137.4 | 
    964.1 | 
    678.2 | 
    348.9 | 
    117.7 | 
    5.0 | 
    0.8 | 
    2.4 | 
    55.1 | 
    316.6 | 
    661.0 | 
    974.8 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    5.2 | 
    11.4 | 
    102.0 | 
    261.3 | 
    329.4 | 
    282.9 | 
    146.3 | 
    26.7 | 
    1.1 | 
    0.0 | 
    
          
      | Precipitation | 
      I | 
    1.9 | 
    1.5 | 
    2.3 | 
    4.8 | 
    3.6 | 
    5.3 | 
    4.2 | 
    2.2 | 
    2.6 | 
    3.2 | 
    2.5 | 
    2.1 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    2.3 | 
    3.9 | 
    11.4 | 
    17.9 | 
    23.5 | 
    28.6 | 
    29.7 | 
    29.1 | 
    26.2 | 
    18.9 | 
    11.0 | 
    4.8 | 
    
          
      | Minimum Temperature | 
      °C | 
    -6.4 | 
    -5.5 | 
    1.1 | 
    6.3 | 
    12.6 | 
    17.6 | 
    18.8 | 
    17.6 | 
    13.9 | 
    7.3 | 
    1.2 | 
    -3.1 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    614.1 | 
    517.8 | 
    359.0 | 
    176.1 | 
    47.6 | 
    -15.0 | 
    -17.3 | 
    -16.4 | 
    12.8 | 
    158.1 | 
    349.4 | 
    523.8 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -14.9 | 
    -11.4 | 
    38.9 | 
    127.4 | 
    165.2 | 
    139.4 | 
    63.5 | 
    -2.9 | 
    -17.2 | 
    -17.8 | 
    
          
      | Precipitation | 
      M | 
    4.7 | 
    3.8 | 
    5.8 | 
    12.1 | 
    9.2 | 
    13.6 | 
    10.6 | 
    5.7 | 
    6.7 | 
    8.1 | 
    6.5 | 
    5.4 |