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Weather & Climate
Fort St. John, British Columbia, Canada
Overview
Climate data and monthly weather averages for Fort St. John.
Key Metrics
Annual Avg
1.3°C
Summer Avg
14.8°C
Winter Avg
-12.1°C
Record High
36.1°C
Record Low
-46.7°C
Annual Precipitation
636.6 mm
Avg Humidity
83%
Summer Humidity
71%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.7° | -12.4° | -46.7° | 47.1 | 95% | 20 | 33.9 |
| Feb | 7° | -11.3° | -43.1° | 29.1 | 95% | 44 | 27.9 |
| Mar | 15.4° | -7.5° | -40.5° | 49.3 | 95% | 95 | 28.2 |
| Apr | 22.2° | 1.3° | -24.2° | 37.5 | 82% | 141 | 28.2 |
| May | 27.3° | 8.7° | -8.9° | 54.6 | 73% | 172 | 25.3 |
| Jun | 31° | 13.5° | -1.3° | 88.2 | 72% | 183 | 23.7 |
| Jul | 36.1° | 16° | 2.2° | 83.4 | 71% | 181 | 21.6 |
| Aug | 33.3° | 14.9° | 0.7° | 52.7 | 69% | 148 | 22 |
| Sep | 30.8° | 9.5° | -6.4° | 47.7 | 74% | 97 | 23 |
| Oct | 26.5° | 2° | -22.2° | 52.4 | 83% | 53 | 26.5 |
| Nov | 9.9° | -6.8° | -35.9° | 53.1 | 94% | 23 | 23.7 |
| Dec | 4.3° | -12.5° | -44.1° | 41.5 | 95% | 14 | 28.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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