Best year time to visit Harpers Ferry

General weather information about Harpers Ferry

Average annual temperature is 10.9 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -26.8 °C

Number of sunny days: 195 days

Number of rainy days: 143 days

Number of snow days: 27 days

Look at detailed online map of Harpers Ferry

* 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)6.89.716.826.631.232.134.738.235.030.317.412.0
Average daytime temperature (°C)0.63.57.015.723.928.428.828.725.416.69.25.8
Average temperature (°C)-3.2-2.21.69.317.022.423.223.320.012.24.31.8
Average night temperature (°C)-6.2-6.8-2.64.310.917.018.318.815.98.60.9-0.8
Absolute minimum temperature (°C)-26.8-23.4-14.1-6.63.110.013.412.710.5-3.9-12.0-7.4

Harpers Ferry 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)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.26.76.78.811.912.312.411.49.56.97.04.1
Precipitation (mm)55421017169367623112801039
Sunny days171513182114141412152418
Rainy days68121110161717181369
Snow days856100000304

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:

  • May — 11.9(h)
  • June — 12.3(h)
  • July — 12.4(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Harpers Ferry:

  • June — 15.3(h)

The largest precipitation sum in Harpers Ferry is at

  • March — 101(mm)
  • July — 76(mm)
  • September — 112(mm)
  • October — 80(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.