Best year time to visit Clay Island

General weather information about Clay Island

Average annual temperature is 22.7 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: 3.1 °C

Number of sunny days: 150 days

Number of rainy days: 215 days

Look at detailed online map of Clay Island

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

Clay Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.530.632.832.431.834.835.235.932.931.029.927.7
Average daytime temperature (°C)21.926.027.328.628.831.232.533.230.727.524.021.0
Average temperature (°C)16.319.621.123.123.826.127.928.526.323.019.616.8
Average night temperature (°C)12.315.116.419.120.022.625.025.223.319.616.513.9
Absolute minimum temperature (°C)3.18.88.214.816.119.423.323.920.013.17.97.8

Clay Island monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.913.613.913.813.112.311.510.710.4
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)8.69.210.09.911.611.111.111.210.58.97.26.9
Precipitation (mm)52143512310414720812114185127123
Sunny days2421167144149171617
Rainy days7715231726302721141414
Snow days000000000000

Clay Island - weather forecast by months

Clay Island weather in januaryClay Island weather in februaryClay Island weather in marchClay Island weather in aprilClay Island weather in mayClay Island weather in juneClay Island weather in julyClay Island weather in augustClay Island weather in septemberClay Island weather in octoberClay Island weather in novemberClay Island weather in december

Best time to visit Clay Island:

The largest precipitation sum in Clay Island is at

  • June — 147(mm)
  • July — 208(mm)
  • September — 141(mm)

    • Weather forecast in the closest to Clay Island admin centers

    Weather forecast in the closest towns to Clay Island

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    MapTrains schedule
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    Frequently asked questions

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