Best year time to visit Johns Island

General weather information about Johns Island

Average annual temperature is 19.4 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: -0.3 °C

Number of sunny days: 160 days

Number of rainy days: 205 days

Look at detailed online map of Johns Island

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

Johns Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.227.028.529.332.434.136.035.634.829.027.222.9
Average daytime temperature (°C)17.820.821.224.925.929.532.632.329.424.919.416.8
Average temperature (°C)12.315.116.019.120.924.427.527.423.919.314.212.0
Average night temperature (°C)8.211.111.714.416.720.524.023.919.815.110.58.6
Absolute minimum temperature (°C)-0.10.7-0.37.110.315.220.821.716.79.82.00.5

Johns Island 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)10.311.012.013.013.814.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.48.18.910.310.311.411.611.310.49.17.26.9
Precipitation (mm)1039846108113173174161797254237
Sunny days17151711861816202021
Rainy days141314192324302314111010
Snow days000000000000

Best time to visit Johns Island:

The largest precipitation sum in Johns Island is at

  • June — 173(mm)
  • July — 174(mm)
  • August — 161(mm)
  • December — 237(mm)
  • Frequently asked questions

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