Climate almanac
St. Marys
Ontario, Canada · 43.25°, -81.13°
What is the weather like in St. Marys in April?
In April, St. Marys is typically 54°F (12°C) during the day and 36°F (2°C) at night. The month brings about 4.1 in (103 mm) of precipitation in total. Snowfall averages about 3.0 in (76 mm) over the month.
- Average high54°F (12°C)
- Average low36°F (2°C)
- Precipitation4.1 in (103 mm)
- Clear or mostly clear days6
- Snowfall3.0 in (76 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)