Records for Helena Area, Montana (HLNthr) on 03-01
  Record Highs
  
    - 
      1:  63°F (1905)
    
- 
      2:  62°F (1923)
    
- 
      3:  61°F (1901)
    
 
  Record Lows
  
    - 
      1:  -15°F (1919)
    
- 
      2:  -12°F (2014)
    
- 
      3:  -11°F (1960)
    
 
  Lowest Highs
  
    - 
      1:  48°F (1901)
    
- 
      2:  42°F (1936)
    
- 
      3:  39°F (1898)
    
 
  Highest Lows
  
    - 
      1:  -3°F (2014)
    
- 
      2:  -2°F (1896)
    
- 
      3:  -1°F (1960)
    
 
  Highest March temperature:
  
  78°F on 03-30-2004.
  Lowest March temperature:
  
  -30°F on 03-04-2019.
  Average temperature is 30.9°F
  Average high is 41.7°F
  Average low is 20.1°F
 
  Temperature data from 1880 to 2022.
  Record Precipitation
  
    - 
      1:  0.60" (1891)
    
- 
      2:  0.37" (1955)
    
- 
      3:  0.32" (1977)
    
 
  Precipitation data from 1880 to 2022.