Toronto Weather in December
Average highs run from 45°F on December 1 to 38°F on December 31, and lows from 30°F to 23°F. Normal precipitation for the month is 3.10 in.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 41°F
- Average low
- 27°F
- Precipitation
- 3.10 in
- Snowfall
- 7.7 in
- Record high
- 77°FDec 3, 1982
- Record low
- -14°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 30 min to 9 h 20 min
- Cloud cover
- 76%
- Humidity
- 86%
- Dew point
- 27°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 45°F | 30°F | 69°F 2006 | 4°F 1976 | 18% | |
| Dec 2 | 45°F | 30°F | 68°F 1982 | 6°F 1942 | 19% | |
| Dec 3 | 45°F | 30°F | 77°F 1982 | -2°F 1976 | 19% | |
| Dec 4 | 44°F | 30°F | 70°F 1982 | 6°F 1966 | 20% | |
| Dec 5 | 44°F | 29°F | 68°F 1956 | 11°F 2025 | 20% | |
| Dec 6 | 44°F | 29°F | 71°F 1998 | 8°F 2007 | 21% | |
| Dec 7 | 43°F | 29°F | 69°F 1998 | 4°F 1977 | 21% | |
| Dec 8 | 43°F | 29°F | 69°F 1966 | 9°F 1977 | 21% | |
| Dec 9 | 43°F | 28°F | 68°F 1952 | 1°F 1977 | 22% | |
| Dec 10 | 42°F | 28°F | 74°F 1971 | -4°F 1958 | 22% | |
| Dec 11 | 42°F | 28°F | 65°F 1979 | -3°F 1958 | 22% | |
| Dec 12 | 42°F | 28°F | 66°F 1965 | -4°F 1962 | 23% | |
| Dec 13 | 42°F | 27°F | 68°F 2015 | -7°F 1962 | 23% | |
| Dec 14 | 41°F | 27°F | 67°F 1975 | 3°F 1958 | 23% | |
| Dec 15 | 41°F | 27°F | 70°F 1971 | 0°F 1943 | 24% | |
| Dec 16 | 41°F | 27°F | 65°F 1984 | -8°F 1951 | 24% | |
| Dec 17 | 40°F | 26°F | 66°F 1984 | -8°F 1951 | 25% | |
| Dec 18 | 40°F | 26°F | 64°F 1967 | -4°F 1989 | 25% | |
| Dec 19 | 40°F | 26°F | 62°F 1957 | 2°F 1985 | 26% | |
| Dec 20 | 40°F | 26°F | 61°F 1957 | -5°F 1963 | 26% | |
| Dec 21 | 40°F | 25°F | 69°F 2013 | -6°F 1942 | 26% | |
| Dec 22 | 39°F | 25°F | 67°F 1949 | -14°F 1989 | 27% | |
| Dec 23 | 39°F | 25°F | 62°F 1957 | -2°F 1989 | 27% | |
| Dec 24 | 39°F | 25°F | 67°F 1964 | -9°F 1983 | 28% | |
| Dec 25 | 39°F | 24°F | 67°F 1982 | -11°F 1983 | 28% | |
| Dec 26 | 39°F | 24°F | 64°F 1982 | -6°F 1983 | 29% | |
| Dec 27 | 38°F | 24°F | 65°F 2016 | -6°F 1950 | 29% | |
| Dec 28 | 38°F | 24°F | 73°F 1982 | -6°F 1950 | 30% | |
| Dec 29 | 38°F | 24°F | 65°F 1984 | -6°F 1950 | 30% | |
| Dec 30 | 38°F | 23°F | 65°F 1990 | 1°F 1983 | 31% | |
| Dec 31 | 38°F | 23°F | 68°F 1972 | -2°F 2017 | 31% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:26 AM, sunset 4:56 PM
- December 31
- sunrise 7:46 AM, sunset 5:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00466442 (New Cumberland L/d), public domain. Records: NOAA GHCN-Daily, station USC00338025, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.