Best year time to visit Grape Island

General weather information about Grape Island

Average annual temperature is 13.5 °C

Absolute maximum temperature: 33.1 °C

Absolute minimum temperature: -9.3 °C

Number of sunny days: 163 days

Number of rainy days: 195 days

Number of snow days: 7 days

Look at detailed online map of Grape Island

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

Grape Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.022.623.728.929.433.132.632.032.628.121.318.1
Average daytime temperature (°C)9.412.912.619.922.526.829.427.825.219.613.010.1
Average temperature (°C)4.66.26.513.116.320.624.022.619.714.57.45.6
Average night temperature (°C)1.21.41.77.210.915.219.718.115.310.43.12.4
Absolute minimum temperature (°C)-5.9-9.3-7.50.82.910.016.312.710.42.9-6.3-4.6

Grape Island monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)3.76.97.28.910.011.111.510.99.37.67.25.1
Precipitation (mm)1447710873108869910363884782
Sunny days8131517161461313162012
Rainy days21131513151625181715918
Snow days221000000011

Grape Island - weather forecast by months

Grape Island weather in januaryGrape Island weather in februaryGrape Island weather in marchGrape Island weather in aprilGrape Island weather in mayGrape Island weather in juneGrape Island weather in julyGrape Island weather in augustGrape Island weather in septemberGrape Island weather in octoberGrape Island weather in novemberGrape Island weather in december

Best time to visit Grape Island:

The best time to visit Grape Island during the most sunny months:

  • June — 11.1(h)
  • July — 11.5(h)
  • August — 10.9(h)

The largest precipitation sum in Grape Island is at

  • January — 144(mm)

    • Weather forecast in the closest to Grape Island admin centers

    Weather forecast in the closest towns to Grape Island

    Explore Grape Island

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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