Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Fort St. John, Canada Average Monthly Weather
Weather score39Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 7°C, sunshine averages 5.7h per day, and rainfall totals about 486mm.
Annual weather
Annual averages
Temp
7°C
Rain
486mm
Annual total
Sun
5.7h
Weather score
39
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Fort St. John, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August21°C average high
August is one of Fort St. John's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August61mm average rain
August is wetter than Fort St. John's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.5 hours average sun
August is brighter than Fort St. John's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August52 weather score
August scores above Fort St. John's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
