Best year time to visit Fort St. John

General weather information about Fort St. John

Average annual temperature is 4.4 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -34.2 °C

Number of sunny days: 186 days

Number of rainy days: 123 days

Number of snow days: 56 days

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* Weather data for Fort St. John Canada is based on climate observations for 2026 year

Fort St. John air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.55.47.420.631.028.831.830.924.721.47.55.8
Average daytime temperature (°C)-3.6-4.2-1.99.322.822.824.324.318.59.41.80.4
Average temperature (°C)-7.3-9.9-9.32.614.616.117.617.211.73.9-2.0-3.7
Average night temperature (°C)-10.2-14.8-14.8-3.07.09.911.811.26.2-0.1-4.8-6.6
Absolute minimum temperature (°C)-25.2-34.2-28.1-13.22.32.89.17.01.8-13.7-12.0-10.9

Fort St. John monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.017.017.016.013.011.09.07.0
Daylight mean duration (h)7.79.611.914.216.417.617.015.112.810.48.27.0
Daylight minimum duration (h)7.08.010.013.015.017.016.013.011.09.07.06.0
Sunshine mean duration (h)2.95.28.78.712.913.213.211.79.35.84.33.6
Precipitation (mm)25281225385891361630189
Sunny days1551813261071419192020
Rainy days683145202417111131
Snow days1015103000001710

Fort St. John - weather forecast by months

Fort St. John weather in januaryFort St. John weather in februaryFort St. John weather in marchFort St. John weather in aprilFort St. John weather in mayFort St. John weather in juneFort St. John weather in julyFort St. John weather in augustFort St. John weather in septemberFort St. John weather in octoberFort St. John weather in novemberFort St. John weather in december

Best time to visit Fort St. John:

The best time to visit Fort St. John during the most sunny months:

  • May — 12.9(h)
  • June — 13.2(h)
  • July — 13.2(h)
  • August — 11.7(h)

Months with the longest average daylight duration in Fort St. John:

  • May — 16.4(h)
  • June — 17.6(h)
  • July — 17.0(h)

The largest precipitation sum in Fort St. John is at

  • June — 58(mm)
  • July — 91(mm)

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    Frequently asked questions

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