Climate almanac
Saint John
New Brunswick, Canada · 45.27°, -66.06°
What is the weather like in Saint John in January?
In January, Saint John is typically 32°F (0°C) during the day and 20°F (-7°C) at night. The month brings about 5.0 in (128 mm) of precipitation in total. Snowfall averages about 15 in (374 mm) over the month.
- Average high32°F (0°C)
- Average low20°F (-7°C)
- Precipitation5.0 in (128 mm)
- Clear or mostly clear days5
- Snowfall15 in (374 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)