Markham Weather in December
Average highs run from 68°F on December 1 to 63°F on December 31, and lows from 48°F to 43°F. Normal precipitation for the month is 3.56 in over about 9 wet days.
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
- 65°F
- Average low
- 45°F
- Precipitation
- 3.56 in
- Snowfall
- 0.9 in
- Record high
- 88°FDec 5, 1912
- Record low
- 7°FDec 22, 1989
- Chance of a freeze
- 79%
- Daylight
- 10 h 26 min to 10 h 19 min
- Cloud cover
- 62%
- Humidity
- 80%
- Dew point
- 49°F
- Wind
- 9.8 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 | 68°F | 48°F | 82°F 1967 | 22°F 1974 | 27% | 0% |
| Dec 2 | 68°F | 48°F | 82°F 1954 | 28°F 2025 | 27% | 0% |
| Dec 3 | 68°F | 47°F | 82°F 1995 | 31°F 1974 | 27% | 0% |
| Dec 4 | 67°F | 47°F | 82°F 1954 | 31°F 2006 | 28% | 0% |
| Dec 5 | 67°F | 47°F | 88°F 1912 | 25°F 2009 | 28% | 0% |
| Dec 6 | 67°F | 47°F | 82°F 1916 | 21°F 1950 | 28% | 0% |
| Dec 7 | 67°F | 47°F | 81°F 1956 | 19°F 1950 | 28% | 0% |
| Dec 8 | 67°F | 47°F | 82°F 1956 | 28°F 2005 | 28% | 0% |
| Dec 9 | 66°F | 46°F | 82°F 1956 | 27°F 1916 | 29% | 0% |
| Dec 10 | 66°F | 46°F | 80°F 1961 | 24°F 1978 | 29% | 0% |
| Dec 11 | 66°F | 46°F | 82°F 1961 | 27°F 1966 | 29% | 0% |
| Dec 12 | 66°F | 46°F | 79°F 1949 | 21°F 1989 | 29% | 0% |
| Dec 13 | 66°F | 46°F | 81°F 1956 | 25°F 1966 | 29% | 0% |
| Dec 14 | 65°F | 45°F | 79°F 1950 | 25°F 1985 | 29% | 0% |
| Dec 15 | 65°F | 45°F | 81°F 1950 | 19°F 1989 | 29% | 0% |
| Dec 16 | 65°F | 45°F | 80°F 2011 | 19°F 1989 | 30% | 0% |
| Dec 17 | 65°F | 45°F | 81°F 1912 | 25°F 1972 | 30% | 0% |
| Dec 18 | 65°F | 45°F | 80°F 2024 | 22°F 1996 | 30% | 0% |
| Dec 19 | 65°F | 45°F | 79°F 2021 | 27°F 2016 | 30% | 0% |
| Dec 20 | 65°F | 44°F | 83°F 1916 | 23°F 1973 | 30% | 0% |
| Dec 21 | 64°F | 44°F | 84°F 1951 | 18°F 1973 | 30% | 0% |
| Dec 22 | 64°F | 44°F | 79°F 1949 | 7°F 1989 | 31% | 0% |
| Dec 23 | 64°F | 44°F | 82°F 2015 | 7°F 1989 | 31% | 0% |
| Dec 24 | 64°F | 44°F | 80°F 1916 | 17°F 1989 | 31% | 0% |
| Dec 25 | 64°F | 44°F | 81°F 1964 | 13°F 1983 | 31% | 0% |
| Dec 26 | 64°F | 43°F | 84°F 1964 | 15°F 1983 | 31% | 0% |
| Dec 27 | 64°F | 43°F | 80°F 2016 | 24°F 1983 | 31% | 0% |
| Dec 28 | 64°F | 43°F | 81°F 1916 | 30°F 1961 | 32% | 0% |
| Dec 29 | 63°F | 43°F | 83°F 2004 | 23°F 1983 | 32% | 0% |
| Dec 30 | 63°F | 43°F | 83°F 1970 | 18°F 1983 | 32% | 0% |
| Dec 31 | 63°F | 43°F | 81°F 2024 | 21°F 1983 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:00 AM, sunset 5:26 PM
- December 31
- sunrise 7:18 AM, sunset 5:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410569 (Bay City Wtr Wks), public domain. Records: NOAA GHCN-Daily, station USC00410569, 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.