Weather in Mississauga in December
In an average December, Mississauga sees a daily high around 1°C and a low around -5°C, based on 1980–2026 of local climate records.
| Average high | 1°C |
|---|---|
| Typical high range | -5°C to 7°C |
| Average low | -5°C |
| Typical low range | -13°C to 1°C |
| Average daily precipitation | 3 mm |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
19°C
1982-12-03
Lowest
-15°C
1983-12-24
Low
Highest
13°C
1982-12-03
Lowest
-29°C
1980-12-25
Feels-like
Highest
13°C
1982-12-03
Lowest
-43°C
1980-12-25
Humidity
Highest
11.7 g/m³
1982-12-03
Lowest
0.7 g/m³
1980-12-25
Wind
Highest
42 km/h
2021-12-11
Lowest
6 km/h
2014-12-21
Gust
Highest
91 km/h
2021-12-11
Lowest
14 km/h
2023-12-24
Precip
Wettest
128 mm
1990
Driest
35 mm
1993
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