Best year time to visit Harpers Ferry

General weather information about Harpers Ferry

Average annual temperature is 14.0 °C

Absolute maximum temperature: 37.2 °C

Absolute minimum temperature: -10.1 °C

Number of sunny days: 184 days

Number of rainy days: 179 days

Number of snow days: 2 days

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

Harpers Ferry air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.222.524.730.629.533.537.233.636.728.322.616.9
Average daytime temperature (°C)9.211.712.621.522.927.432.430.626.220.713.09.9
Average temperature (°C)5.15.96.514.516.320.925.624.320.514.97.35.5
Average night temperature (°C)2.01.41.78.610.415.320.519.215.910.42.92.2
Absolute minimum temperature (°C)-3.1-10.1-5.81.15.411.118.014.910.94.1-5.7-3.7

Harpers Ferry monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.511.210.09.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.07.17.89.410.311.012.111.39.08.37.75.4
Precipitation (mm)4853781083614984341094066117
Sunny days11151217171371316192420
Rainy days19121913141724181412611
Snow days110000000000

Harpers Ferry - weather forecast by months

Harpers Ferry weather in januaryHarpers Ferry weather in februaryHarpers Ferry weather in marchHarpers Ferry weather in aprilHarpers Ferry weather in mayHarpers Ferry weather in juneHarpers Ferry weather in julyHarpers Ferry weather in augustHarpers Ferry weather in septemberHarpers Ferry weather in octoberHarpers Ferry weather in novemberHarpers Ferry weather in december

Best time to visit Harpers Ferry:

The best time to visit Harpers Ferry during the most sunny months:

  • June — 11.0(h)
  • July — 12.1(h)
  • August — 11.3(h)

The largest precipitation sum in Harpers Ferry is at

  • April — 108(mm)
  • June — 149(mm)
  • September — 109(mm)
  • December — 117(mm)

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    Frequently asked questions

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