Weather on December 15
Hartford, CT
55 Years of Data
Avg High
40°F
Avg Low
25°F
Warmest
2015
55°F avg
Coldest
2005
14°F avg
About This Date
December 15th in Hartford, CT typically brings chilly winter weather, with average highs around 40°F and lows near 25°F. Over 55 years of records, the warmest December 15th was in 2015 (55°F average), while the coldest was 2005 (14°F) — a 41°F range across recorded history. Precipitation has occurred on 36% of recorded December 15th dates, with snow falling 2% of the time (heaviest snowfall: 2"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 15th in Hartford, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 26° | 13° | 19° | — | — |
| 2024 | 33° | 15° | 24° | — | — |
| 2023 | 58° | 29° | 44° | — | — |
| 2022 | 41° | 22° | 32° | 0.36" | — |
| 2021 | 48° | 25° | 37° | 0.3" | — |
| 2020 | 37° | 27° | 32° | — | — |
| 2019 | 47° | 33° | 40° | — | — |
| 2018 | 50° | 41° | 46° | 0.08" | — |
| 2017 | 25° | 10° | 18° | 0.05" | — |
| 2016 | 32° | 17° | 25° | — | — |
| 2015warmest | 65° | 45° | 55° | 0.18" | — |
| 2014 | 46° | 27° | 37° | — | — |
| 2013 | 37° | 19° | 28° | 0.48" | — |
| 2012 | 45° | 26° | 36° | — | — |
| 2011 | 54° | 40° | 47° | 0.13" | — |
| 2010 | 25° | 16° | 21° | — | — |
| 2009 | 50° | 39° | 45° | — | — |
| 2008 | 60° | 45° | 52° | 0.03" | — |
| 2007 | 34° | 21° | 28° | — | — |
| 2006 | 52° | 39° | 45° | — | — |
| 2005coldest | 26° | 2° | 14° | 0.08" | — |
| 2004 | 31° | 19° | 25° | — | — |
| 2003 | 35° | 30° | 33° | 0.56" | — |
| 2002 | 45° | 38° | 41° | — | — |
| 2001 | 48° | 31° | 39° | 0.08" | — |
| 2000 | 35° | 25° | 30° | — | — |
| 1999 | 44° | 40° | 42° | 0.51" | — |
| 1998 | 40° | 14° | 27° | — | — |
| 1997 | 42° | 18° | 30° | — | — |
| 1996 | 38° | 35° | 36° | 0.33" | — |
| 1995 | 30° | 23° | 27° | — | — |
| 1994 | 33° | 29° | 31° | — | — |
| 1993 | 47° | 26° | 36° | — | — |
| 1992 | 34° | 23° | 28° | — | — |
| 1991 | 39° | 26° | 33° | 0.33" | — |
| 1990 | 36° | 28° | 32° | — | — |
| 1989 | 24° | 8° | 16° | — | — |
| 1988 | 39° | 32° | 36° | — | — |
| 1987 | 47° | 27° | 37° | — | — |
| 1986 | 33° | 16° | 24° | — | — |
| 1985 | 28° | 16° | 22° | — | — |
| 1984 | 39° | 28° | 34° | — | — |
| 1983 | 50° | 41° | 46° | 0.08" | — |
| 1982 | 39° | 18° | 28° | — | — |
| 1981 | 34° | 23° | 28° | 2.77" | 2" |
| 1980 | 28° | 14° | 21° | — | — |
| 1979 | 35° | 16° | 25° | — | — |
| 1978 | 40° | 26° | 33° | — | — |
| 1977 | 48° | 21° | 35° | 2.41" | — |
| 1976 | 34° | 10° | 22° | — | — |
| 1975 | 52° | 28° | 40° | — | — |
| 1974 | 38° | 24° | 31° | 0.08" | — |
| 1973 | 55° | 29° | 42° | 0.03" | — |
| 1972 | 39° | 20° | 29° | — | — |
| 1971 | 34° | 31° | 32° | 0.51" | — |
55 years of data from HARTFORD BRAINARD FLD