Climate almanac
St. Thomas
Ontario, Canada · 42.77°, -81.18°
What is the weather like in St. Thomas in January?
In January, St. Thomas is typically 32°F (0°C) during the day and 23°F (-5°C) at night. The month brings about 3.3 in (84 mm) of precipitation in total. Snowfall averages about 9.6 in (243 mm) over the month.
- Average high32°F (0°C)
- Average low23°F (-5°C)
- Precipitation3.3 in (84 mm)
- Clear or mostly clear days2
- Snowfall9.6 in (243 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)