Best year time to visit Aiken County

General weather information about Aiken County

Average annual temperature is 18.3 °C

Absolute maximum temperature: 37.5 °C

Absolute minimum temperature: -3.5 °C

Number of sunny days: 191 days

Number of rainy days: 174 days

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

Aiken County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.926.628.629.733.633.835.937.532.929.526.522.6
Average daytime temperature (°C)15.719.221.124.225.829.533.033.328.723.718.115.1
Average temperature (°C)10.313.714.817.820.223.927.527.422.918.012.49.8
Average night temperature (°C)6.39.59.312.415.419.022.922.617.913.18.05.6
Absolute minimum temperature (°C)-3.5-1.2-0.85.28.314.420.020.013.97.2-1.0-2.8

Aiken 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)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.07.58.59.69.510.911.311.310.68.87.46.5
Precipitation (mm)1368711412410012265145366457110
Sunny days15151815121211918252021
Rainy days16131315191820221261010
Snow days000000000000

Aiken County - weather forecast by months

Aiken County weather in januaryAiken County weather in februaryAiken County weather in marchAiken County weather in aprilAiken County weather in mayAiken County weather in juneAiken County weather in julyAiken County weather in augustAiken County weather in septemberAiken County weather in octoberAiken County weather in novemberAiken County weather in december

Best time to visit Aiken County:

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

  • July — 11.3(h)
  • August — 11.3(h)

The largest precipitation sum in Aiken County is at

  • January — 136(mm)
  • April — 124(mm)
  • June — 122(mm)
  • August — 145(mm)

    • Weather forecast in the closest to Aiken County admin centers

    Weather forecast in the closest towns to Aiken County

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    Frequently asked questions

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