Weather in Ottawa, Ontario, Canada in December
In an average December, Ottawa sees a daily high around -4°C and a low around -12°C, based on 1981–2026 of local climate records.
| Average high | -4°C |
|---|---|
| Typical high range | -12°C to 3°C |
| Average low | -12°C |
| Typical low range | -21°C to -3°C |
| Average daily precipitation | 3 mm |
December records
The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
17°C
2015-12-24
Lowest
-30°C
1993-12-27
Low
Highest
4°C
2015-12-11
Lowest
-45°C
1993-12-27
Feels-like
Highest
0°C
2001-12-05
Lowest
-56°C
1993-12-27
Humidity
Highest
7.4 g/m³
1999-12-05
Lowest
0.2 g/m³
1993-12-27
Wind
Highest
36 km/h
2008-12-28
Lowest
6 km/h
2005-12-01
Precip
Wettest
133 mm
1983
Driest
26 mm
2002
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