Weather on March 9
New Haven, CT
55 Years of Data
Avg High
47°F
Avg Low
29°F
Warmest
1987
57°F avg
Coldest
1996
13°F avg
About This Date
March 9th in New Haven, CT typically brings chilly spring weather, with average highs around 47°F and lows near 29°F. Over 55 years of records, the warmest March 9th was in 1987 (57°F average), while the coldest was 1996 (13°F) — a 44°F range across recorded history. Precipitation has occurred on 33% of recorded March 9th dates, with snow falling 7% of the time (heaviest snowfall: 4"). The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
Planning for March 9th in New Haven, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 64° | 30° | 47° | — | — |
| 2025 | 49° | 29° | 39° | — | — |
| 2024 | 46° | 37° | 42° | 3.25" | — |
| 2023 | 54° | 32° | 43° | — | — |
| 2022 | 39° | 32° | 36° | 0.81" | — |
| 2021 | 63° | 35° | 49° | — | — |
| 2020 | 65° | 36° | 50° | — | — |
| 2019 | 43° | 20° | 32° | — | — |
| 2018 | 42° | 32° | 37° | — | — |
| 2017 | 56° | 43° | 49° | — | — |
| 2016 | 60° | 35° | 48° | — | — |
| 2015 | 50° | 18° | 34° | — | — |
| 2014 | 42° | 34° | 38° | — | — |
| 2013 | 55° | 29° | 42° | — | — |
| 2012 | 53° | 37° | 45° | 0.03" | — |
| 2011 | 43° | 26° | 35° | — | — |
| 2010 | 59° | 33° | 46° | — | — |
| 2009 | 47° | 33° | 40° | 0.43" | — |
| 2008 | 41° | 32° | 37° | — | — |
| 2007 | 30° | 9° | 20° | — | — |
| 2006 | 45° | 36° | 40° | — | — |
| 2005 | 27° | 14° | 20° | — | — |
| 2004 | 36° | 30° | 33° | 0.43" | — |
| 2003 | 49° | 21° | 35° | — | — |
| 2002 | 62° | 43° | 52° | 0.05" | — |
| 2001 | 38° | 23° | 30° | 1.5" | — |
| 2000 | 67° | 43° | 55° | 0.28" | — |
| 1998 | 46° | 35° | 41° | 5.77" | — |
| 1997 | 34° | 18° | 26° | — | — |
| 1996coldest | 22° | 5° | 13° | — | — |
| 1995 | 57° | 25° | 41° | 3.07" | — |
| 1994 | 40° | 28° | 34° | 0.71" | 0.5" |
| 1993 | 47° | 33° | 40° | 0.25" | — |
| 1992 | 56° | 36° | 46° | — | — |
| 1991 | — | 36° | — | — | — |
| 1990 | 47° | 29° | 38° | — | — |
| 1989 | 41° | 19° | 30° | — | — |
| 1988 | 54° | 36° | 45° | — | — |
| 1987warmest | 69° | 44° | 57° | — | — |
| 1986 | 39° | 18° | 28° | — | 0.3" |
| 1985 | 54° | 39° | 46° | — | — |
| 1984 | 28° | 15° | 22° | 1.02" | 4" |
| 1983 | 43° | 38° | 40° | 1.93" | — |
| 1982 | 34° | 16° | 25° | 0.43" | — |
| 1981 | 45° | 37° | 41° | — | — |
| 1980 | 53° | 43° | 48° | 0.38" | — |
| 1979 | 51° | 36° | 43° | — | — |
| 1978 | 43° | 23° | 33° | — | — |
| 1977 | 59° | 35° | 47° | — | — |
| 1976 | 31° | 22° | 26° | 0.84" | 4" |
| 1975 | 41° | 15° | 28° | — | — |
| 1974 | 49° | 34° | 41° | 0.64" | — |
| 1973 | 62° | 42° | 52° | — | — |
| 1972 | 35° | 17° | 26° | — | — |
| 1971 | 38° | 24° | 31° | — | — |
55 years of data from NEW HAVEN