Mcallen, Texas
  ID: USC00415701  Latitude:  26.1917  Longitude:  -98.2511
  Elevation: 100.1 feet (  30.5 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 18.68 in., 7.35 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Mcallen, 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 | 
    71.5 | 
    76.9 | 
    82.2 | 
    88.1 | 
    92.2 | 
    96.9 | 
    97.3 | 
    99.5 | 
    94.5 | 
    89.8 | 
    80.7 | 
    73.2 | 
    
          
      | Minimum Temperature | 
      °F | 
    49.0 | 
    52.9 | 
    59.8 | 
    65.6 | 
    71.7 | 
    75.7 | 
    76.9 | 
    77.7 | 
    74.2 | 
    67.4 | 
    57.9 | 
    51.2 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    197.5 | 
    108.2 | 
    39.1 | 
    6.4 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    1.6 | 
    54.6 | 
    166.1 | 
    
          
      | Cooling Degree Days | 
      °F | 
    50.6 | 
    105.4 | 
    225.1 | 
    361.8 | 
    525.6 | 
    638.7 | 
    685.3 | 
    731.2 | 
    580.6 | 
    422.9 | 
    183.7 | 
    79.4 | 
    
          
      | Precipitation | 
      I | 
    1.3 | 
    0.8 | 
    1.2 | 
    1.3 | 
    2.5 | 
    3.8 | 
    2.7 | 
    2.1 | 
    4.8 | 
    1.6 | 
    1.3 | 
    1.5 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    21.9 | 
    24.9 | 
    27.9 | 
    31.2 | 
    33.4 | 
    36.1 | 
    36.3 | 
    37.5 | 
    34.7 | 
    32.1 | 
    27.1 | 
    22.9 | 
    
          
      | Minimum Temperature | 
      °C | 
    9.4 | 
    11.6 | 
    15.4 | 
    18.7 | 
    22.1 | 
    24.3 | 
    24.9 | 
    25.4 | 
    23.4 | 
    19.7 | 
    14.4 | 
    10.7 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    91.9 | 
    42.3 | 
    3.9 | 
    -14.2 | 
    -17.7 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -16.9 | 
    12.6 | 
    74.5 | 
    
          
      | Cooling Degree Days | 
      °C | 
    10.3 | 
    40.8 | 
    107.3 | 
    183.2 | 
    274.2 | 
    337.1 | 
    362.9 | 
    388.4 | 
    304.8 | 
    217.2 | 
    84.3 | 
    26.3 | 
    
          
      | Precipitation | 
      M | 
    3.3 | 
    2.1 | 
    3.1 | 
    3.3 | 
    6.2 | 
    9.5 | 
    6.9 | 
    5.4 | 
    12.2 | 
    4.1 | 
    3.3 | 
    3.8 |