Best year time to visit Big Island

General weather information about Big Island

Average annual temperature is 7.8 °C

Absolute maximum temperature: 29.4 °C

Absolute minimum temperature: -28.4 °C

Number of sunny days: 106 days

Number of rainy days: 211 days

Number of snow days: 48 days

Look at detailed online map of Big Island

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

Big Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.410.16.516.626.728.329.426.028.123.715.415.3
Average daytime temperature (°C)2.9-1.11.08.012.918.824.921.720.515.96.64.4
Average temperature (°C)-0.4-5.5-1.83.98.314.921.318.417.112.13.31.5
Average night temperature (°C)-3.5-9.3-4.20.84.711.918.215.614.69.50.8-1.1
Absolute minimum temperature (°C)-9.6-28.4-10.2-6.0-0.47.715.112.29.42.5-6.1-6.2

Big Island monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)2.64.75.89.19.17.59.58.38.66.43.93.8
Precipitation (mm)2577198368113316720269237146221
Sunny days67815111066912610
Rainy days18106132020252521192014
Snow days71117200000047

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:

  • April — 9.1(h)
  • May — 9.1(h)
  • July — 9.5(h)
  • August — 8.3(h)
  • September — 8.6(h)

Months with the longest average daylight duration in Big Island:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Big Island is at

  • January — 257(mm)
  • August — 202(mm)
  • October — 237(mm)
  • December — 221(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.