Best year time to visit South Mount Vernon

General weather information about South Mount Vernon

Average annual temperature is 11.9 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -10.5 °C

Number of sunny days: 165 days

Number of rainy days: 184 days

Number of snow days: 16 days

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

South Mount Vernon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.320.219.626.028.731.732.532.431.427.619.115.5
Average daytime temperature (°C)6.010.410.017.321.525.428.226.824.517.810.98.2
Average temperature (°C)2.23.54.211.015.219.623.021.418.913.15.84.4
Average night temperature (°C)-0.8-1.0-0.15.69.714.318.516.714.39.32.01.9
Absolute minimum temperature (°C)-9.5-10.5-7.9-1.81.99.614.111.28.7-0.8-7.3-4.1

South 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)9.710.711.913.314.415.014.713.712.511.110.09.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)3.26.97.08.910.211.011.610.89.16.87.04.2
Precipitation (mm)1336113313480128928730784157
Sunny days9151115191441417142112
Rainy days16121415121627171317817
Snow days616000000012

South Mount Vernon - weather forecast by months

South Mount Vernon weather in januarySouth Mount Vernon weather in februarySouth Mount Vernon weather in marchSouth Mount Vernon weather in aprilSouth Mount Vernon weather in maySouth Mount Vernon weather in juneSouth Mount Vernon weather in julySouth Mount Vernon weather in augustSouth Mount Vernon weather in septemberSouth Mount Vernon weather in octoberSouth Mount Vernon weather in novemberSouth Mount Vernon weather in december

Best time to visit South Mount Vernon:

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

  • May — 10.2(h)
  • June — 11.0(h)
  • July — 11.6(h)
  • August — 10.8(h)

The largest precipitation sum in South Mount Vernon is at

  • January — 133(mm)
  • March — 133(mm)
  • April — 134(mm)
  • June — 128(mm)

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    Frequently asked questions

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