Best year time to visit Big Island

General weather information about Big Island

Average annual temperature is 21.3 °C

Absolute maximum temperature: 41.8 °C

Absolute minimum temperature: -0.4 °C

Number of sunny days: 181 days

Number of rainy days: 184 days

Look at detailed online map of Big Island

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

Big Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)25.627.728.429.232.838.438.941.838.134.229.924.4
Average daytime temperature (°C)18.520.023.024.429.834.635.938.533.828.420.717.8
Average temperature (°C)13.314.417.218.824.028.229.932.427.822.015.112.0
Average night temperature (°C)9.410.113.014.519.123.225.126.822.816.710.97.6
Absolute minimum temperature (°C)0.2-0.1-0.49.012.920.221.922.619.37.53.1-0.3

Big 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)10.411.112.012.913.714.114.013.312.411.410.610.2
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.010.0
Sunshine mean duration (h)6.77.68.28.310.511.411.612.011.09.06.78.1
Precipitation (mm)183119122194811007927261938107
Sunny days13101110135162418231721
Rainy days1818202018251571281310
Snow days000000000000

Big Island - weather forecast by months

Big Island weather in januaryBig Island weather in februaryBig Island weather in marchBig Island weather in aprilBig Island weather in mayBig Island weather in juneBig Island weather in julyBig Island weather in augustBig Island weather in septemberBig Island weather in octoberBig Island weather in novemberBig Island weather in december

Best time to visit Big Island:

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

  • August — 12.0(h)

The largest precipitation sum in Big Island is at

  • January — 183(mm)
  • February — 119(mm)
  • March — 122(mm)
  • April — 194(mm)

    • Weather forecast in the closest to Big Island admin centers

    Weather forecast in the closest towns to Big Island

    Explore Big Island

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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