Climate almanac
Fort St. John
British Columbia, Canada · 56.25°, -120.85°
What is the weather like in Fort St. John in May?
In May, Fort St. John is typically 65°F (18°C) during the day and 40°F (5°C) at night. The month brings about 1.9 in (47 mm) of precipitation in total. Snowfall averages about 1.1 in (27 mm) over the month.
- Average high65°F (18°C)
- Average low40°F (5°C)
- Precipitation1.9 in (47 mm)
- Clear or mostly clear days8
- Snowfall1.1 in (27 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)