Ottawa weather by month
The best time to visit Ottawa, Canada is June. Pick a month for full climate normals and a verdict.
- Januaryfreezing, rainy, clean air33tier F
- Februaryfreezing, a little rain, clean air38tier F
- Marchcold, rainy, clean air51tier D
- Aprilcool, rainy, clean air69tier C
- Maynice, rainy, clean air83tier A
- Junewarm, rainy93tier S
- Julywarm, rainy, clean air81tier A
- Augustwarm, rainy, clean air87tier A
- Septembernice, a little rain, clean air89tier A
- Octobercool, rainy, clean air71tier B
- Novembercold, a little rain, clean air56tier D
- Decembercold, rainy, clean air40tier F