Ottawa Weather in March
2.4°C high · -7.6°C low · 64 mm rain · 5.6h sun
Mar is a cool month in Ottawa — not peak season, but a good time to avoid crowds.
March at a glance
| Metric | Value |
|---|---|
| Average high | 2.4°C |
| Average low | -7.6°C |
| Rainfall | 64 mm |
| Sunshine | 5.6 hours/day |
| Daylight | 11.6 hours |
What to pack in March
Pack a warm coat and layers for Ottawa in March.
Ottawa weather by month
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Frequently asked questions
What is the weather in Ottawa in March?
Highs of 2.4°C and lows of -7.6°C, with about 64 mm of rain and 5.6 hours of sunshine per day.
Is March a good time to visit Ottawa?
Mar is a cool month in Ottawa — not peak season, but a good time to avoid crowds.
What to do in Ottawa · Best time to visit Ottawa
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.