Pennsylvania Means & Extremes

• Maximum Daily Temperature
• Pennsylvania Mean Annual Maximum Temperature
  
• Pennsylvania Mean Monthly Maximum Temperature
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Minimum Daily Temperature
  
• Pennsylvania Mean Annual Minimum Temperature
  
• Pennsylvania Mean Monthly Minimum Temperature
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Number of Cloudy Days
  
• Pennsylvania Mean Annual Number of Cloudy Days
  
• Pennsylvania Mean Monthly Number of Cloudy Days
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Mean Total Precipitation
  
• Pennsylvania Mean Annual Total Precipitation
  
• Pennsylvania Mean Monthly Total Precipitation
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Mean Total Snowfall
  
• Pennsylvania Mean Annual Total Snowfall
  
• Pennsylvania Mean Monthly Total Snowfall
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • Pennsylvania receives little snow between May through September.
    
  • October
    
  • November
    
  • December
    

• Average Dewpoint
  
• Pennsylvania Average Annual Dewpoint
  
• Pennsylvania Average Monthly Dewpoint
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Average Relative Humidity
  
• Pennsylvania Average Annual Relative Humidity
  
• Pennsylvania Average Monthly Relative Humidity
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Heating Degree Days
  
• Pennsylvania Mean Annual Heating Degree Days
  
• Pennsylvania Mean Monthly Heating Degree Days
  • January
    
  • February
    
  • March
    
  • April
    
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    
  • November
    
  • December
    

• Cooling Degree Days
  
• Pennsylvania Mean Annual Cooling Degree Days
  
• Pennsylvania Mean Monthly Cooling Degree Days
  • May
    
  • June
    
  • July
    
  • August
    
  • September
    
  • October
    

• Mean Growing Season
  • Pennsylvania Average Length of Growing Season
    
  • Pennsylvania Average Day of Last Freeze
    
  • Pennsylvania Average Day of First Freeze