Best year time to visit Sumter County

General weather information about Sumter County

Average annual temperature is 19.8 °C

Absolute maximum temperature: 38.9 °C

Absolute minimum temperature: -1.6 °C

Number of sunny days: 171 days

Number of rainy days: 194 days

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

Sumter County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.028.029.731.033.735.037.938.934.230.626.023.7
Average daytime temperature (°C)17.921.022.926.028.431.235.135.830.624.719.415.9
Average temperature (°C)12.015.316.519.522.225.528.529.224.519.013.910.8
Average night temperature (°C)7.510.911.414.017.020.723.423.919.614.19.66.7
Absolute minimum temperature (°C)-1.6-0.6-1.58.39.918.321.020.615.97.8-0.4-1.2

Sumter County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.311.012.013.013.814.214.013.312.411.410.510.1
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.010.0
Sunshine mean duration (h)6.07.18.49.410.510.611.711.19.79.16.86.5
Precipitation (mm)1571038110348174807840804385
Sunny days1412171212771114252020
Rainy days17161418192324201661011
Snow days000000000000

Sumter County - weather forecast by months

Sumter County weather in januarySumter County weather in februarySumter County weather in marchSumter County weather in aprilSumter County weather in maySumter County weather in juneSumter County weather in julySumter County weather in augustSumter County weather in septemberSumter County weather in octoberSumter County weather in novemberSumter County weather in december

Best time to visit Sumter County:

The best time to visit Sumter County during the most sunny months:

  • July — 11.7(h)

The largest precipitation sum in Sumter County is at

  • January — 157(mm)
  • June — 174(mm)

    • Weather forecast in the closest to Sumter County admin centers

    Weather forecast in the closest towns to Sumter County

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    Frequently asked questions

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