Syracuse Weather in December
Average highs run from 51°F on December 1 to 45°F on December 31, and lows from 18°F to 13°F. Normal precipitation for the month is 0.58 in over about 3 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
- 47°F
- Average low
- 15°F
- Precipitation
- 0.58 in
- Snowfall
- 3.1 in
- Record high
- 82°FDec 24, 1955
- Record low
- -21°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 44 min to 9 h 35 min
- Cloud cover
- 55%
- Humidity
- 62%
- Dew point
- 20°F
- Wind
- 10.1 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 | 51°F | 18°F | 75°F 1995 | -2°F 1985 | 9% | 5% |
| Dec 2 | 51°F | 18°F | 77°F 2012 | 0°F 1985 | 9% | 5% |
| Dec 3 | 50°F | 18°F | 76°F 1995 | 5°F 1991 | 9% | 5% |
| Dec 4 | 50°F | 17°F | 78°F 1979 | -7°F 1955 | 9% | 5% |
| Dec 5 | 49°F | 17°F | 73°F 1939 | -6°F 1955 | 9% | 5% |
| Dec 6 | 49°F | 17°F | 80°F 1939 | -13°F 1972 | 9% | 5% |
| Dec 7 | 49°F | 16°F | 73°F 2023 | -6°F 1950 | 9% | 6% |
| Dec 8 | 49°F | 16°F | 74°F 2023 | -14°F 2005 | 9% | 6% |
| Dec 9 | 48°F | 16°F | 72°F 1938 | -14°F 1978 | 9% | 6% |
| Dec 10 | 48°F | 15°F | 76°F 1996 | -14°F 1972 | 10% | 6% |
| Dec 11 | 48°F | 15°F | 74°F 1939 | -12°F 1972 | 10% | 6% |
| Dec 12 | 47°F | 15°F | 74°F 1996 | -20°F 1961 | 10% | 6% |
| Dec 13 | 47°F | 15°F | 73°F 1948 | -19°F 1961 | 10% | 6% |
| Dec 14 | 47°F | 14°F | 75°F 1988 | -8°F 1963 | 10% | 6% |
| Dec 15 | 47°F | 14°F | 74°F 2021 | -7°F 1945 | 10% | 6% |
| Dec 16 | 47°F | 14°F | 72°F 2025 | -7°F 1972 | 10% | 6% |
| Dec 17 | 46°F | 14°F | 75°F 1939 | -6°F 1964 | 10% | 6% |
| Dec 18 | 46°F | 14°F | 71°F 2025 | -20°F 2016 | 10% | 7% |
| Dec 19 | 46°F | 14°F | 69°F 1978 | -20°F 2016 | 10% | 7% |
| Dec 20 | 46°F | 13°F | 71°F 1941 | -11°F 1989 | 10% | 7% |
| Dec 21 | 46°F | 13°F | 70°F 1941 | -8°F 1983 | 10% | 7% |
| Dec 22 | 46°F | 13°F | 73°F 1964 | -21°F 1989 | 10% | 7% |
| Dec 23 | 46°F | 13°F | 80°F 2025 | -20°F 1989 | 10% | 7% |
| Dec 24 | 46°F | 13°F | 82°F 1955 | -11°F 1990 | 10% | 7% |
| Dec 25 | 46°F | 13°F | 77°F 2025 | -10°F 1918 | 10% | 7% |
| Dec 26 | 45°F | 13°F | 82°F 2025 | -10°F 1962 | 10% | 7% |
| Dec 27 | 45°F | 13°F | 75°F 1980 | -13°F 1939 | 10% | 7% |
| Dec 28 | 45°F | 13°F | 77°F 2025 | -5°F 1939 | 10% | 7% |
| Dec 29 | 45°F | 13°F | 72°F 1965 | -16°F 1983 | 10% | 7% |
| Dec 30 | 45°F | 13°F | 74°F 1951 | -17°F 1983 | 10% | 7% |
| Dec 31 | 45°F | 13°F | 71°F 1999 | -14°F 1990 | 10% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 6:44 AM, sunset 4:28 PM
- December 31
- sunrise 7:03 AM, sunset 4:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00148038 (Syracuse 1NE), public domain. Records: NOAA GHCN-Daily, station USC00148038, 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.