ClimateForecastNovemberDecember >>

Summerville (SC) Climate by Month

The temperature in Summerville can vary greatly throughout the year. The temperatures shift from very warm to mild. It also experiences much rain/snowfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to moderate in Summerville. Average daytime temperatures reach a very warm 33°C in July. In January, the coolest month of the year, temperatures drop to a moderate 15°C. At night, expect cooler temperatures, averaging 2°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Summerville has a relatively rain/snowy climate with high precipitation levels, averaging 1317 mm of rain/snowfall annually. Summerville experiences moderate seasonal variation in rainfall, with monthly averages ranging from 153 mm in August, the wettest month, and 72 mm in January, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Summerville can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 hours of sunlight per day.

Monthly hours of sunshine

Data from: Charleston, the United States of America (33 KM, 20 Miles).

Daily hours of sunshine

Data from: Charleston, the United States of America (33 KM, 20 Miles).

The best time of year to visit Summerville in the United States of America

During the months of March, April, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Summerville?
    Most rainfall (rainy season) is seen in June, July and August.
  • Which is the warmest month in Summerville?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Summerville?
    The coldest month is January with an average maximum temperature of 15°C.
  • Which is the wettest month in Summerville?
    August tops the wettest month list with 153 mm of rainfall.
  • Which is the driest month in Summerville?
    January is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in Summerville?
    May is the sunniest month with an average of 295 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Summerville (SC)

    Fri   Nov 22
    13°C | 2°C
    NW 22 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Nov 23
    16°C | 2°C
    W 11 km/h
    clear and no rain

    clear and no rain

    Sun   Nov 24
    20°C | 3°C
    SW 7 km/h
    clear and no rain

    clear and no rain