Best year time to visit Summerville

General weather information about Summerville

Average annual temperature is 9.4 °C

Absolute maximum temperature: 37.2 °C

Absolute minimum temperature: -12.6 °C

Number of sunny days: 189 days

Number of rainy days: 141 days

Number of snow days: 35 days

Look at detailed online map of Summerville

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

Summerville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.69.710.226.829.130.234.537.228.724.213.610.4
Average daytime temperature (°C)3.95.05.112.521.523.830.428.622.716.08.55.2
Average temperature (°C)0.10.10.36.114.516.821.921.014.89.94.02.0
Average night temperature (°C)-2.7-3.2-4.11.58.210.513.213.98.75.10.8-0.5
Absolute minimum temperature (°C)-12.6-10.0-12.5-5.72.63.59.89.72.8-4.9-6.1-5.7

Summerville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.45.76.98.812.212.814.011.09.17.95.64.6
Precipitation (mm)414391813126072294968113
Sunny days13117101616302119191314
Rainy days1371317151411011111514
Snow days51011300000123

Summerville - weather forecast by months

Summerville weather in januarySummerville weather in februarySummerville weather in marchSummerville weather in aprilSummerville weather in maySummerville weather in juneSummerville weather in julySummerville weather in augustSummerville weather in septemberSummerville weather in octoberSummerville weather in novemberSummerville weather in december

Best time to visit Summerville:

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

  • May — 12.2(h)
  • June — 12.8(h)
  • July — 14.0(h)
  • August — 11.0(h)

Months with the longest average daylight duration in Summerville:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Summerville is at

  • March — 91(mm)
  • April — 81(mm)
  • August — 72(mm)
  • November — 68(mm)
  • December — 113(mm)

    • Weather forecast in the closest to Summerville admin centers

    Weather forecast in the closest towns to Summerville

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    Frequently asked questions

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