Best year time to visit Summit

General weather information about Summit

Average annual temperature is 9.1 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -27.3 °C

Number of sunny days: 188 days

Number of rainy days: 143 days

Number of snow days: 34 days

Look at detailed online map of Summit

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

Summit air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.98.013.327.031.131.433.135.534.329.418.211.4
Average daytime temperature (°C)-3.6-1.03.713.223.128.227.527.825.115.48.24.7
Average temperature (°C)-7.1-6.5-1.67.116.622.321.822.319.510.73.10.5
Average night temperature (°C)-10.1-11.1-5.92.610.816.716.417.615.06.9-0.7-2.3
Absolute minimum temperature (°C)-25.6-27.3-18.4-5.7-0.29.411.111.37.2-5.9-13.9-8.5

Summit 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)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.76.76.87.911.512.812.411.69.57.16.24.7
Precipitation (mm)607067949540658197113750
Sunny days181715121912111312162320
Rainy days6561512182018181357
Snow days7610300000224

Best time to visit Summit:

The best time to visit Summit during the most sunny months:

  • May — 11.5(h)
  • June — 12.8(h)
  • July — 12.4(h)
  • August — 11.6(h)

Months with the longest average daylight duration in Summit:

  • June — 15.4(h)

The largest precipitation sum in Summit is at

  • April — 94(mm)
  • May — 95(mm)
  • September — 97(mm)
  • October — 113(mm)