Climate almanac
Oshawa
Ontario, Canada · 43.90°, -78.85°
What is the weather like in Oshawa in May?
In May, Oshawa is typically 66°F (19°C) during the day and 48°F (9°C) at night. The month brings about 3.1 in (79 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low48°F (9°C)
- Precipitation3.1 in (79 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)