Hartford Weather in December
Average highs run from 42°F on December 1 to 35°F on December 31, and lows from 29°F to 22°F. Normal precipitation for the month is 2.36 in over about 15 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
- 38°F
- Average low
- 25°F
- Precipitation
- 2.36 in
- Snowfall
- 22.6 in
- Record high
- 71°FDec 5, 2001
- Record low
- -12°FDec 30, 1935
- Chance of a freeze
- 100%
- Daylight
- 9 h 19 min to 9 h 09 min
- Cloud cover
- 78%
- Humidity
- 86%
- Dew point
- 27°F
- Wind
- 13.2 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 | 42°F | 29°F | 65°F 1913 | -3°F 1924 | 46% | 20% |
| Dec 2 | 42°F | 29°F | 67°F 1982 | 1°F 1979 | 46% | 21% |
| Dec 3 | 42°F | 29°F | 68°F 1982 | -5°F 1976 | 46% | 21% |
| Dec 4 | 41°F | 28°F | 66°F 2012 | 1°F 1935 | 47% | 22% |
| Dec 5 | 41°F | 28°F | 71°F 2001 | 5°F 1895 | 47% | 23% |
| Dec 6 | 40°F | 28°F | 68°F 2001 | 8°F 1895 | 47% | 23% |
| Dec 7 | 40°F | 27°F | 60°F 1946 | 8°F 1972 | 47% | 24% |
| Dec 8 | 40°F | 27°F | 64°F 1966 | 6°F 1976 | 47% | 24% |
| Dec 9 | 40°F | 27°F | 61°F 1946 | 6°F 1917 | 48% | 25% |
| Dec 10 | 39°F | 27°F | 64°F 1971 | 7°F 1932 | 48% | 26% |
| Dec 11 | 39°F | 26°F | 60°F 1949 | 0°F 1919 | 48% | 26% |
| Dec 12 | 39°F | 26°F | 59°F 1896 | -3°F 1917 | 48% | 27% |
| Dec 13 | 38°F | 26°F | 63°F 1975 | -6°F 1903 | 48% | 27% |
| Dec 14 | 38°F | 26°F | 63°F 1975 | -1°F 1917 | 49% | 28% |
| Dec 15 | 38°F | 25°F | 63°F 1971 | -3°F 1916 | 49% | 28% |
| Dec 16 | 38°F | 25°F | 61°F 1984 | 0°F 1904 | 49% | 29% |
| Dec 17 | 38°F | 25°F | 53°F 1895 | 2°F 1973 | 49% | 29% |
| Dec 18 | 37°F | 25°F | 56°F 1895 | -7°F 1926 | 50% | 30% |
| Dec 19 | 37°F | 25°F | 55°F 1895 | 1°F 1916 | 50% | 30% |
| Dec 20 | 37°F | 24°F | 56°F 1957 | 0°F 1958 | 50% | 31% |
| Dec 21 | 37°F | 24°F | 61°F 1967 | 2°F 1916 | 51% | 31% |
| Dec 22 | 36°F | 24°F | 58°F 1941 | 0°F 1989 | 51% | 32% |
| Dec 23 | 36°F | 24°F | 60°F 1941 | -2°F 1989 | 51% | 32% |
| Dec 24 | 36°F | 23°F | 58°F 1932 | -11°F 1924 | 51% | 33% |
| Dec 25 | 36°F | 23°F | 63°F 1982 | 1°F 1924 | 52% | 33% |
| Dec 26 | 36°F | 23°F | 62°F 1932 | -3°F 1903 | 52% | 34% |
| Dec 27 | 36°F | 23°F | 56°F 1959 | -3°F 1934 | 52% | 34% |
| Dec 28 | 35°F | 23°F | 62°F 1982 | -4°F 1924 | 52% | 35% |
| Dec 29 | 35°F | 22°F | 63°F 2008 | -5°F 1924 | 52% | 35% |
| Dec 30 | 35°F | 22°F | 59°F 1936 | -12°F 1935 | 53% | 35% |
| Dec 31 | 35°F | 22°F | 59°F 1936 | -3°F 1976 | 53% | 36% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:54 AM, sunset 5:13 PM
- December 31
- sunrise 8:13 AM, sunset 5:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00202445 (Eau Claire 4 Ne), public domain. Records: NOAA GHCN-Daily, station USC00207690, 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.