Weather in City of Harrisburg in December

General weather information about City of Harrisburg

Average annual temperature is 9.4 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -24.4 °C

Number of sunny days: 215 days

Number of rainy days: 122 days

Number of snow days: 28 days

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* Weather data for City of Harrisburg United States is based on climate observations for 2026 year

City of Harrisburg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.74.612.928.131.434.235.736.935.131.617.911.1
Average daytime temperature (°C)-4.9-1.82.814.824.629.028.229.126.215.89.54.9
Average temperature (°C)-7.8-7.0-2.78.018.023.122.323.220.410.84.00.2
Average night temperature (°C)-10.7-11.1-6.62.711.917.417.018.415.46.7-0.4-3.1
Absolute minimum temperature (°C)-24.4-23.9-16.9-6.01.19.111.012.19.3-6.9-9.2-7.8

City of Harrisburg monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.07.27.29.412.012.812.311.710.07.47.15.5
Precipitation (mm)533842559262646634132154
Sunny days202018161513142114152722
Rainy days2551116171710161427
Snow days938300000212

City of Harrisburg - weather forecast by months

City of Harrisburg weather in januaryCity of Harrisburg weather in februaryCity of Harrisburg weather in marchCity of Harrisburg weather in aprilCity of Harrisburg weather in mayCity of Harrisburg weather in juneCity of Harrisburg weather in julyCity of Harrisburg weather in augustCity of Harrisburg weather in septemberCity of Harrisburg weather in octoberCity of Harrisburg weather in novemberCity of Harrisburg weather in december

Best time to visit City of Harrisburg:

The best time to visit City of Harrisburg during the most sunny months:

  • May — 12.0(h)
  • June — 12.8(h)
  • July — 12.3(h)
  • August — 11.7(h)

Months with the longest average daylight duration in City of Harrisburg:

  • June — 15.4(h)

The largest precipitation sum in City of Harrisburg is at

  • May — 92(mm)
  • October — 132(mm)

    • Weather forecast in the closest to City of Harrisburg admin centers

    Weather forecast in the closest towns to City of Harrisburg

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    Frequently asked questions

    When is the best time to visit City of Harrisburg?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit City of Harrisburg.
    What is the weather like in City of Harrisburg?
    See average temperature, rainfall and daylight hours for City of Harrisburg by month in the table above.
    How many sunny days does City of Harrisburg have?
    The monthly weather statistics above show sunshine and rainfall patterns for City of Harrisburg throughout the year.