Weather in London, Ontario, Canada in December
In an average December, London sees a daily high around 1°C and a low around -5°C, based on 1981–2026 of local climate records.
| Average high | 1°C |
|---|---|
| Typical high range | -5°C to 6°C |
| Average low | -5°C |
| Typical low range | -11°C to 0°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
19°C
1982-12-03
Lowest
-14°C
1983-12-24
Low
Highest
13°C
1982-12-03
Lowest
-23°C
2004-12-27
Feels-like
Highest
13°C
1982-12-03
Lowest
-34°C
1983-12-26
Humidity
Highest
12.7 g/m³
1982-12-03
Lowest
1.2 g/m³
1993-12-26
Wind
Highest
66 km/h
2021-12-11
Lowest
8 km/h
2014-12-20
Precip
Wettest
112 mm
1983
Driest
18 mm
2005
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