Best year time to visit Mount Vernon

General weather information about Mount Vernon

Average annual temperature is 10.1 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -26.1 °C

Number of sunny days: 204 days

Number of rainy days: 127 days

Number of snow days: 34 days

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

Mount Vernon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.814.418.827.726.230.435.936.133.429.522.618.6
Average daytime temperature (°C)1.46.58.016.121.224.529.229.926.217.412.58.4
Average temperature (°C)-3.1-1.20.87.714.818.522.222.919.110.45.82.5
Average night temperature (°C)-6.6-5.9-3.91.59.313.316.317.112.95.11.3-1.4
Absolute minimum temperature (°C)-24.9-26.1-7.3-8.41.910.411.812.28.6-6.5-9.4-6.1

Mount Vernon 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)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)6.28.38.710.010.811.712.112.111.09.17.86.8
Precipitation (mm)54132826140104591920431515
Sunny days1720141677161719222425
Rainy days418122423151411744
Snow days1079200000222

Mount Vernon - weather forecast by months

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

Best time to visit Mount Vernon:

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

  • July — 12.1(h)
  • August — 12.1(h)

The largest precipitation sum in Mount Vernon is at

  • May — 140(mm)
  • June — 104(mm)
  • July — 59(mm)

    • Weather forecast in the closest to Mount Vernon admin centers

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    Frequently asked questions

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