Best year time to visit Sumnerville

General weather information about Sumnerville

Average annual temperature is 10.9 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -18.6 °C

Number of sunny days: 164 days

Number of rainy days: 181 days

Number of snow days: 20 days

Look at detailed online map of Sumnerville

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

Sumnerville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.212.218.025.330.932.832.434.431.829.118.213.7
Average daytime temperature (°C)3.55.27.115.621.326.427.426.524.016.49.76.8
Average temperature (°C)0.40.22.39.315.220.122.121.218.812.44.93.7
Average night temperature (°C)-2.2-3.5-1.34.29.514.617.516.714.59.11.51.4
Absolute minimum temperature (°C)-14.2-18.6-8.4-4.61.59.512.810.78.5-2.8-8.5-3.1

Sumnerville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.76.95.98.510.211.411.910.58.65.76.23.4
Precipitation (mm)741071241146073115169451465364
Sunny days91511132114101318101911
Rainy days15111517101621181221817
Snow days725000000033

Sumnerville - weather forecast by months

Sumnerville weather in januarySumnerville weather in februarySumnerville weather in marchSumnerville weather in aprilSumnerville weather in maySumnerville weather in juneSumnerville weather in julySumnerville weather in augustSumnerville weather in septemberSumnerville weather in octoberSumnerville weather in novemberSumnerville weather in december

Best time to visit Sumnerville:

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

  • May — 10.2(h)
  • June — 11.4(h)
  • July — 11.9(h)
  • August — 10.5(h)

The largest precipitation sum in Sumnerville is at

  • March — 124(mm)
  • August — 169(mm)
  • October — 146(mm)

    • Weather forecast in the closest to Sumnerville admin centers

    Weather forecast in the closest towns to Sumnerville

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    MapTrains schedule
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    Frequently asked questions

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