Best year time to visit Harrisburg

General weather information about Harrisburg

Average annual temperature is 13.2 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: -10.2 °C

Number of sunny days: 172 days

Number of rainy days: 188 days

Number of snow days: 5 days

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

Harrisburg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.219.921.530.529.234.135.033.134.327.722.116.9
Average daytime temperature (°C)8.310.511.320.222.927.030.929.124.719.711.99.1
Average temperature (°C)4.34.45.413.415.820.525.123.419.614.26.44.8
Average night temperature (°C)1.3-0.20.77.89.314.920.118.715.49.82.11.4
Absolute minimum temperature (°C)-3.9-10.2-5.40.83.510.116.415.09.73.2-5.2-4.2

Harrisburg monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.77.59.211.410.512.210.78.58.07.54.0
Precipitation (mm)893873128181191031201225557117
Sunny days12171316181161114182016
Rainy days1991814131925201613913
Snow days020000000012

Harrisburg - weather forecast by months

Harrisburg weather in januaryHarrisburg weather in februaryHarrisburg weather in marchHarrisburg weather in aprilHarrisburg weather in mayHarrisburg weather in juneHarrisburg weather in julyHarrisburg weather in augustHarrisburg weather in septemberHarrisburg weather in octoberHarrisburg weather in novemberHarrisburg weather in december

Best time to visit Harrisburg:

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

  • May — 11.4(h)
  • July — 12.2(h)
  • August — 10.7(h)

The largest precipitation sum in Harrisburg is at

  • April — 128(mm)
  • June — 119(mm)
  • August — 120(mm)
  • September — 122(mm)
  • December — 117(mm)

    • Weather forecast in the closest to Harrisburg admin centers

    Weather forecast in the closest towns to Harrisburg

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    Frequently asked questions

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