Harlingen Rio Grande Ap, Texas
  ID: USW00012904  Latitude:  26.2281  Longitude:  -97.6542
  Elevation: 34.1 feet (  10.4 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 24.04 in., 9.46 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Harlingen Rio Grande Ap, Texas
  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 | 
    71.8 | 
    76.3 | 
    81.5 | 
    87.3 | 
    91.6 | 
    95.0 | 
    95.7 | 
    97.5 | 
    92.2 | 
    88.1 | 
    79.8 | 
    73.7 | 
    
          
      | Minimum Temperature | 
      °F | 
    49.3 | 
    53.9 | 
    59.8 | 
    65.5 | 
    71.5 | 
    74.7 | 
    75.7 | 
    75.7 | 
    73.0 | 
    65.4 | 
    57.4 | 
    51.9 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    192.6 | 
    105.2 | 
    39.3 | 
    5.9 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    3.7 | 
    60.8 | 
    156.0 | 
    
          
      | Cooling Degree Days | 
      °F | 
    55.1 | 
    108.0 | 
    214.5 | 
    347.8 | 
    513.0 | 
    595.3 | 
    641.8 | 
    669.3 | 
    528.0 | 
    367.8 | 
    168.9 | 
    87.9 | 
    
          
      | Precipitation | 
      I | 
    1.2 | 
    0.6 | 
    1.3 | 
    1.2 | 
    2.9 | 
    3.2 | 
    2.3 | 
    1.9 | 
    5.4 | 
    1.9 | 
    1.8 | 
    1.4 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    22.1 | 
    24.6 | 
    27.5 | 
    30.7 | 
    33.1 | 
    35.0 | 
    35.4 | 
    36.4 | 
    33.4 | 
    31.2 | 
    26.6 | 
    23.2 | 
    
          
      | Minimum Temperature | 
      °C | 
    9.6 | 
    12.2 | 
    15.4 | 
    18.6 | 
    21.9 | 
    23.7 | 
    24.3 | 
    24.3 | 
    22.8 | 
    18.6 | 
    14.1 | 
    11.1 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    89.2 | 
    40.7 | 
    4.1 | 
    -14.5 | 
    -17.7 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -15.7 | 
    16.0 | 
    68.9 | 
    
          
      | Cooling Degree Days | 
      °C | 
    12.8 | 
    42.2 | 
    101.4 | 
    175.4 | 
    267.2 | 
    312.9 | 
    338.8 | 
    354.1 | 
    275.6 | 
    186.6 | 
    76.1 | 
    31.1 | 
    
          
      | Precipitation | 
      M | 
    3.1 | 
    1.4 | 
    3.3 | 
    2.9 | 
    7.4 | 
    8.2 | 
    5.8 | 
    4.9 | 
    13.8 | 
    4.8 | 
    4.5 | 
    3.5 |