Weather on December 31
Hartford, CT
55 Years of Data
Avg High
38°F
Avg Low
22°F
Warmest
2022
47°F avg
Coldest
2017
6°F avg
About This Date
December 31st in Hartford, CT typically brings cold winter weather, with average highs around 38°F and lows near 22°F. Over 55 years of records, the warmest December 31st was in 2022 (47°F average), while the coldest was 2017 (6°F) — a 41°F range across recorded history. Precipitation has occurred on 38% of recorded December 31st dates, with snow falling 2% of the time. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Hartford, CT? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 32° | 24° | 28° | — | — |
| 2024 | 52° | 29° | 41° | — | — |
| 2023 | 40° | 37° | 38° | — | — |
| 2022warmest | 54° | 41° | 47° | 0.97" | — |
| 2021 | 49° | 41° | 45° | 0.03" | — |
| 2020 | 45° | 35° | 40° | 0.43" | — |
| 2019 | 41° | 33° | 37° | 0.08" | — |
| 2018 | 43° | 26° | 35° | 1.6" | — |
| 2017coldest | 12° | 0° | 6° | — | — |
| 2016 | 43° | 22° | 33° | 0.05" | — |
| 2015 | 47° | 34° | 40° | 0.08" | — |
| 2014 | 31° | 20° | 26° | — | — |
| 2013 | 29° | 15° | 22° | — | — |
| 2012 | 36° | 16° | 26° | — | — |
| 2011 | 41° | 33° | 37° | 0.15" | — |
| 2010 | 47° | 22° | 35° | — | — |
| 2009 | 32° | 25° | 29° | 0.3" | — |
| 2008 | 30° | 9° | 20° | 0.13" | — |
| 2007 | 43° | 26° | 35° | 0.63" | — |
| 2006 | 41° | 26° | 34° | — | — |
| 2005 | 30° | 24° | 27° | 0.51" | — |
| 2004 | 50° | 24° | 37° | — | — |
| 2003 | 48° | 37° | 43° | — | — |
| 2002 | 39° | 30° | 35° | 0.41" | — |
| 2001 | 32° | 20° | 26° | — | — |
| 2000 | 31° | 24° | 27° | 0.03" | — |
| 1999 | 38° | 23° | 30° | — | — |
| 1998 | 36° | -5° | 15° | — | — |
| 1997 | 40° | 28° | 34° | 0.03" | — |
| 1996 | 46° | 9° | 27° | — | — |
| 1995 | 39° | 24° | 32° | — | — |
| 1994 | 30° | 13° | 21° | — | — |
| 1993 | 26° | 7° | 16° | — | — |
| 1992 | 48° | 37° | 43° | — | — |
| 1991 | 33° | 15° | 24° | — | — |
| 1990 | 57° | 33° | 45° | 0.13" | — |
| 1989 | 28° | 16° | 22° | 0.36" | — |
| 1988 | 35° | 25° | 30° | — | — |
| 1987 | 14° | 2° | 8° | — | — |
| 1986 | 35° | 31° | 33° | 0.03" | — |
| 1985 | 45° | 18° | 31° | — | — |
| 1984 | 50° | 15° | 33° | — | — |
| 1983 | 26° | 5° | 16° | — | — |
| 1982 | 42° | 26° | 34° | — | — |
| 1981 | 37° | 13° | 25° | — | — |
| 1980 | 40° | 26° | 33° | — | — |
| 1979 | 49° | 24° | 36° | — | — |
| 1978 | 33° | 12° | 23° | — | — |
| 1977 | 44° | 21° | 33° | — | — |
| 1976 | 20° | 11° | 15° | — | — |
| 1975 | 34° | 19° | 26° | 1.27" | — |
| 1974 | 47° | 27° | 37° | — | — |
| 1973 | 42° | 29° | 35° | — | — |
| 1972 | 36° | 22° | 29° | 0.81" | — |
| 1971 | 31° | 13° | 22° | 0.03" | 0.1" |
55 years of data from HARTFORD BRAINARD FLD