Weather on March 15
New Haven, CT
55 Years of Data
Avg High
49°F
Avg Low
33°F
Warmest
1990
60°F avg
Coldest
1993
21°F avg
About This Date
March 15th in New Haven, CT typically brings chilly spring weather, with average highs around 49°F and lows near 33°F. Over 55 years of records, the warmest March 15th was in 1990 (60°F average), while the coldest was 1993 (21°F) — a 39°F range across recorded history. Precipitation has occurred on 24% of recorded March 15th dates, with snow falling 4% of the time (heaviest snowfall: 4"). The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in New Haven, CT? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 42° | 29° | 35° | — | — |
| 2025 | 47° | 42° | 44° | — | — |
| 2024 | 66° | 40° | 53° | — | — |
| 2023 | 48° | 37° | 43° | — | — |
| 2022 | 61° | 31° | 46° | — | — |
| 2021 | 34° | 20° | 27° | — | — |
| 2020 | 54° | 35° | 44° | — | — |
| 2019 | 59° | 47° | 53° | 0.28" | — |
| 2018 | 46° | 33° | 40° | — | — |
| 2017 | 28° | 19° | 24° | — | — |
| 2016 | 52° | 42° | 47° | 0.03" | — |
| 2015 | 43° | 35° | 39° | — | — |
| 2014 | 56° | 37° | 46° | 0.08" | — |
| 2013 | 43° | 29° | 36° | — | — |
| 2012 | 47° | 43° | 45° | — | — |
| 2011 | 43° | 29° | 36° | — | — |
| 2010 | 46° | 41° | 44° | 0.58" | — |
| 2009 | 51° | 31° | 41° | — | — |
| 2008 | 49° | 39° | 44° | 0.38" | — |
| 2007 | 55° | 33° | 44° | 0.81" | — |
| 2006 | 43° | 36° | 39° | — | — |
| 2005 | 46° | 27° | 36° | — | — |
| 2004 | 55° | 35° | 45° | — | — |
| 2003 | 43° | 27° | 35° | — | — |
| 2002 | 53° | 34° | 43° | — | — |
| 2001 | 51° | 23° | 37° | — | — |
| 2000 | 59° | 29° | 44° | — | — |
| 1998 | 39° | 27° | 33° | 0.79" | — |
| 1997 | 36° | 31° | 33° | 0.94" | 4" |
| 1996 | 61° | 32° | 46° | — | — |
| 1995 | 63° | 39° | 51° | 0.08" | — |
| 1994 | 50° | 31° | 40° | — | — |
| 1993coldest | 28° | 14° | 21° | — | — |
| 1992 | 34° | 15° | 24° | — | — |
| 1991 | 37° | 32° | 35° | 1.12" | 0.5" |
| 1990warmest | 80° | 40° | 60° | — | — |
| 1989 | 51° | 38° | 44° | — | — |
| 1988 | 41° | 29° | 35° | — | — |
| 1987 | 52° | 31° | 41° | — | — |
| 1986 | 57° | 35° | 46° | — | — |
| 1985 | 48° | 35° | 42° | — | — |
| 1984 | 53° | 25° | 39° | — | — |
| 1983 | 62° | 44° | 53° | — | — |
| 1982 | 50° | 34° | 42° | — | — |
| 1981 | 54° | 24° | 39° | — | — |
| 1980 | 44° | 35° | 40° | 0.25" | — |
| 1979 | 49° | 26° | 37° | — | — |
| 1978 | 50° | 42° | 46° | — | — |
| 1977 | 56° | 46° | 51° | 0.76" | — |
| 1976 | 51° | 35° | 43° | — | — |
| 1975 | 37° | 28° | 33° | — | — |
| 1974 | 51° | 31° | 41° | — | — |
| 1973 | 48° | 40° | 44° | — | — |
| 1972 | 35° | 30° | 33° | 3.12" | — |
| 1971 | 56° | 40° | 48° | — | — |
55 years of data from NEW HAVEN