Best year time to visit Harleysville

General weather information about Harleysville

Average annual temperature is 13.1 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -11.9 °C

Number of sunny days: 182 days

Number of rainy days: 178 days

Number of snow days: 5 days

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

Harleysville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.918.318.430.630.335.734.431.536.127.721.116.2
Average daytime temperature (°C)8.89.610.919.823.127.230.628.424.919.911.59.1
Average temperature (°C)4.74.25.313.116.120.524.623.019.714.36.24.8
Average night temperature (°C)1.3-0.30.37.79.314.719.818.515.59.72.01.2
Absolute minimum temperature (°C)-4.9-11.9-5.1-0.44.110.216.014.510.74.0-5.2-4.4

Harleysville 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)4.66.97.59.011.610.711.610.38.28.37.74.7
Precipitation (mm)100497511136126135881564970178
Sunny days121613152014101314182017
Rainy days19101715111621181613913
Snow days021000000011

Harleysville - weather forecast by months

Harleysville weather in januaryHarleysville weather in februaryHarleysville weather in marchHarleysville weather in aprilHarleysville weather in mayHarleysville weather in juneHarleysville weather in julyHarleysville weather in augustHarleysville weather in septemberHarleysville weather in octoberHarleysville weather in novemberHarleysville weather in december

Best time to visit Harleysville:

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

  • May — 11.6(h)
  • June — 10.7(h)
  • July — 11.6(h)

The largest precipitation sum in Harleysville is at

  • June — 126(mm)
  • July — 135(mm)
  • September — 156(mm)
  • December — 178(mm)

    • Weather forecast in the closest to Harleysville admin centers

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    Frequently asked questions

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