Knoxville, Iowa
  ID: USC00134502  Latitude:  41.3247  Longitude:  -93.1008
  Elevation: 895 feet ( 272.8 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 37.45 in., 14.74 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Knoxville, Iowa
  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 | 
    30.4 | 
    33.3 | 
    47.9 | 
    60.5 | 
    71.1 | 
    81.4 | 
    85.2 | 
    82.7 | 
    76.5 | 
    62.5 | 
    49.1 | 
    35.5 | 
    
          
      | Minimum Temperature | 
      °F | 
    13.4 | 
    14.7 | 
    28.7 | 
    39.2 | 
    51.6 | 
    62.0 | 
    65.9 | 
    63.1 | 
    54.9 | 
    41.8 | 
    30.1 | 
    18.8 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1335.9 | 
    1147.5 | 
    830.2 | 
    460.0 | 
    173.3 | 
    12.2 | 
    2.2 | 
    6.5 | 
    94.3 | 
    410.2 | 
    762.2 | 
    1173.0 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    2.2 | 
    5.6 | 
    60.1 | 
    213.0 | 
    329.1 | 
    251.3 | 
    115.0 | 
    12.0 | 
    0.1 | 
    0.0 | 
    
      
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    -0.9 | 
    0.7 | 
    8.8 | 
    15.8 | 
    21.7 | 
    27.4 | 
    29.6 | 
    28.2 | 
    24.7 | 
    16.9 | 
    9.5 | 
    1.9 | 
    
          
      | Minimum Temperature | 
      °C | 
    -10.3 | 
    -9.6 | 
    -1.8 | 
    4.0 | 
    10.9 | 
    16.7 | 
    18.8 | 
    17.3 | 
    12.7 | 
    5.4 | 
    -1.1 | 
    -7.3 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    724.4 | 
    619.7 | 
    443.4 | 
    237.8 | 
    78.5 | 
    -11.0 | 
    -16.6 | 
    -14.2 | 
    34.6 | 
    210.1 | 
    405.7 | 
    633.9 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -16.6 | 
    -14.7 | 
    15.6 | 
    100.6 | 
    165.1 | 
    121.8 | 
    46.1 | 
    -11.1 | 
    -17.7 | 
    -17.8 |