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Chambersburg (PA) Climate by Month

The temperature in Chambersburg can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Chambersburg can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C in July to a chilly 4°C in February. Nighttime temperatures can drop, with averages reaching -5°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Chambersburg experiences moderate precipitation patterns, averaging 995 mm yearly. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 110 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 59 mm of snow/rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Chambersburg in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Chambersburg?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Chambersburg?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Chambersburg?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Chambersburg?
    October tops the wettest month list with 110 mm of rainfall.
  • Which is the driest month in Chambersburg?
    February is the driest month with 59 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Chambersburg (PA)

    Fri   Nov 22
    5°C | 0°C
    W 25 km/h
    12 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Sat   Nov 23
    9°C | 3°C
    NW 29 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    10°C | 4°C
    W 18 km/h
    broken clouds and no rain

    broken clouds and no rain