Climate almanac
Oshawa
Ontario, CA · 43.90°, -78.85°
What is the climate like in Oshawa?
Oshawa is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 17°F (-8°C). The wettest month is typically April and the driest is September; the year sees roughly 38 in of precipitation.
- Warmest monthJuly — average high 80°F (27°C)
- Coolest monthJanuary — average low 17°F (-8°C)
- Wettest monthApril (4.0 in)
- Driest monthSeptember (2.5 in)
- Annual precipitation38 in