Best year time to visit Mount Vernon

General weather information about Mount Vernon

Average annual temperature is 15.0 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -8.8 °C

Number of sunny days: 204 days

Number of rainy days: 159 days

Number of snow days: 2 days

Look at detailed online map of Mount Vernon

* 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)17.522.623.527.330.334.835.136.332.230.325.918.1
Average daytime temperature (°C)9.412.614.120.124.929.330.829.727.721.314.810.8
Average temperature (°C)5.26.78.113.719.223.325.824.622.015.99.05.8
Average night temperature (°C)2.02.43.68.514.117.821.220.317.011.74.52.3
Absolute minimum temperature (°C)-7.2-8.8-5.31.46.612.716.614.612.8-1.8-4.3-6.5

Mount Vernon 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)9.910.812.013.214.214.714.513.612.411.210.19.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.07.27.610.111.312.411.710.910.67.98.06.2
Precipitation (mm)181822068154627613717691957
Sunny days141716181719111618192415
Rainy days16101512141120151212616
Snow days110000000000

Best time to visit Mount Vernon:

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

  • June — 12.4(h)
  • July — 11.7(h)

The largest precipitation sum in Mount Vernon is at

  • January — 181(mm)
  • March — 206(mm)
  • August — 137(mm)