Best year time to visit Mount Washington

General weather information about Mount Washington

Average annual temperature is 12.6 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -11.2 °C

Number of sunny days: 148 days

Number of rainy days: 207 days

Number of snow days: 10 days

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

Mount Washington air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.421.321.228.131.033.632.532.034.128.018.716.3
Average daytime temperature (°C)7.711.110.619.022.426.128.727.524.518.511.69.1
Average temperature (°C)3.64.54.912.115.920.123.321.919.113.76.35.0
Average night temperature (°C)0.6-0.30.66.39.914.919.017.414.69.82.32.0
Absolute minimum temperature (°C)-6.2-11.2-7.2-1.32.510.215.112.79.41.2-6.4-4.4

Mount Washington monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)2.96.86.28.610.410.811.110.78.86.16.73.9
Precipitation (mm)1176110665821291209250964375
Sunny days714131420115712151812
Rainy days201316161119262418161018
Snow days412000000021

Mount Washington - weather forecast by months

Mount Washington weather in januaryMount Washington weather in februaryMount Washington weather in marchMount Washington weather in aprilMount Washington weather in mayMount Washington weather in juneMount Washington weather in julyMount Washington weather in augustMount Washington weather in septemberMount Washington weather in octoberMount Washington weather in novemberMount Washington weather in december

Best time to visit Mount Washington:

The best time to visit Mount Washington during the most sunny months:

  • May — 10.4(h)
  • June — 10.8(h)
  • July — 11.1(h)
  • August — 10.7(h)

The largest precipitation sum in Mount Washington is at

  • January — 117(mm)
  • June — 129(mm)
  • July — 120(mm)

    • Weather forecast in the closest to Mount Washington admin centers

    Weather forecast in the closest towns to Mount Washington

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    Frequently asked questions

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