Weather on December 30
New Haven, CT
55 Years of Data
Avg High
41°F
Avg Low
27°F
Warmest
1984
53°F avg
Coldest
1987
13°F avg
About This Date
December 30th in New Haven, CT typically brings chilly winter weather, with average highs around 41°F and lows near 27°F. Over 54 years of records, the warmest December 30th was in 1984 (53°F average), while the coldest was 1987 (13°F) — a 40°F range across recorded history. Precipitation has occurred on 37% of recorded December 30th dates, with snow falling 4% of the time (heaviest snowfall: 3"). The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for December 30th in New Haven, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 34° | 30° | 32° | — | — |
| 2024 | 57° | 48° | 53° | 1.14" | — |
| 2023 | 49° | 34° | 41° | 0.03" | — |
| 2022 | 57° | 31° | 44° | — | — |
| 2021 | 48° | 42° | 45° | 0.03" | — |
| 2020 | 46° | 25° | 36° | — | — |
| 2019 | 41° | 36° | 38° | 2.11" | — |
| 2018 | 37° | 31° | 34° | — | — |
| 2017 | 21° | 9° | 15° | 0.18" | — |
| 2016 | 41° | 33° | 37° | — | — |
| 2015 | 39° | 33° | 36° | 0.41" | — |
| 2014 | 34° | 21° | 28° | — | — |
| 2013 | 44° | 19° | 32° | — | — |
| 2012 | 37° | 29° | 33° | — | — |
| 2011 | 50° | 31° | 41° | — | — |
| 2010 | 38° | 16° | 27° | — | — |
| 2009 | 34° | 13° | 24° | — | — |
| 2008 | 43° | 27° | 35° | — | — |
| 2007 | 40° | 23° | 32° | 0.46" | — |
| 2006 | 46° | 26° | 36° | — | — |
| 2005 | 45° | 30° | 37° | — | — |
| 2004 | 43° | 23° | 33° | — | — |
| 2003 | 52° | 26° | 39° | 0.13" | — |
| 2002 | 38° | 26° | 32° | 0.08" | — |
| 2001 | 33° | 25° | 29° | — | — |
| 2000 | 32° | 21° | 27° | 1.6" | — |
| 1999 | 49° | 32° | 40° | — | — |
| 1997 | 37° | 21° | 29° | 2.01" | — |
| 1996 | 53° | 39° | 46° | — | — |
| 1995 | 39° | 18° | 28° | — | — |
| 1994 | 30° | 11° | 20° | — | — |
| 1993 | 25° | 15° | 20° | 0.28" | 3" |
| 1992 | 45° | 38° | 41° | 1.52" | — |
| 1991 | 49° | 19° | 34° | 2.97" | — |
| 1990 | 50° | 38° | 44° | 0.25" | — |
| 1989 | 19° | 14° | 17° | 0.76" | 3" |
| 1988 | 36° | 24° | 30° | — | — |
| 1987coldest | 23° | 3° | 13° | — | — |
| 1986 | 47° | 42° | 44° | 0.48" | — |
| 1985 | 39° | 16° | 27° | — | — |
| 1984warmest | 62° | 45° | 53° | — | — |
| 1983 | 33° | 17° | 25° | — | — |
| 1982 | 45° | 30° | 37° | — | — |
| 1981 | 38° | 26° | 32° | — | — |
| 1980 | 43° | 31° | 37° | — | — |
| 1979 | 53° | 40° | 46° | — | — |
| 1978 | 40° | 32° | 36° | — | — |
| 1977 | 44° | 26° | 35° | — | — |
| 1976 | 30° | 15° | 23° | — | — |
| 1975 | 41° | 21° | 31° | 1.65" | — |
| 1974 | 48° | 37° | 43° | — | — |
| 1973 | 48° | 40° | 44° | 0.46" | — |
| 1972 | 32° | 28° | 30° | 0.13" | — |
| 1971 | 42° | 33° | 38° | — | — |
54 years of data from NEW HAVEN