Fort St. John Climate: Weather by Month and Best Time to Visit
Best months for Fort St. John: August, July, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -9°C | -17°C | 25 mm | 7 | – | – | 4.2 |
| February | -4°C | -14°C | 16 mm | 5 | – | – | 4.5 |
| March | 1°C | -10°C | 23 mm | 7 | – | – | 4.2 |
| April | 10°C | -2°C | 25 mm | 6 | – | – | 6.1 |
| May | 17°C | 4°C | 40 mm | 8 | – | – | 7.3 |
| June | 21°C | 9°C | 74 mm | 11 | – | – | 7.4 |
| July | 23°C | 10°C | 81 mm | 12 | – | – | 7.5 |
| August | 22°C | 9°C | 46 mm | 9 | – | – | 7.9 |
| September | 17°C | 5°C | 43 mm | 8 | – | – | 7.2 |
| October | 8°C | -1°C | 33 mm | 8 | – | – | 5.6 |
| November | -3°C | -9°C | 31 mm | 7 | – | – | 4.1 |
| December | -8°C | -15°C | 22 mm | 6 | – | – | 4.3 |