Weather in Ottawa in March
In an average March, Ottawa sees a daily high around 3°C and a low around -7°C, based on 1980–2026 of local climate records.
| Average high | 3°C |
|---|---|
| Typical high range | -4°C to 10°C |
| Average low | -7°C |
| Typical low range | -17°C to 1°C |
| Average daily precipitation | 3 mm |
March records
The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
26°C
2012-03-21
Lowest
-15°C
1989-03-07
Low
Highest
10°C
2012-03-22
Lowest
-30°C
1980-03-02
Feels-like
Highest
7°C
2012-03-22
Lowest
-45°C
2003-03-03
Humidity
Highest
10.5 g/m³
2012-03-21
Lowest
0.5 g/m³
1984-03-12
Wind
Highest
41 km/h
2002-03-10
Lowest
6 km/h
1996-03-28
Gust
Highest
90 km/h
1986-03-19
Lowest
12 km/h
1999-03-27
Precip
Wettest
129 mm
1999
Driest
33 mm
2013
See Ottawa's live weather grade →
Visiting Ottawa in March? See how its comfort stacks up against where you live.
Compare Ottawa with your city →