Weather on October 31
New Haven, CT
55 Years of Data
Avg High
60°F
Avg Low
41°F
Warmest
2019
68°F avg
Coldest
2001
34°F avg
About This Date
October 31st in New Haven, CT typically brings mild fall weather, with average highs around 60°F and lows near 41°F. Over 53 years of records, the warmest October 31st was in 2019 (68°F average), while the coldest was 2001 (34°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 26% of October 31st dates historically, with the wettest October 31st recording 3.02" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in New Haven, CT? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 53° | 58° | 1.04" | — |
| 2024 | 77° | 49° | 63° | — | — |
| 2023 | 54° | 43° | 48° | — | — |
| 2022 | 65° | 43° | 54° | — | — |
| 2021 | 66° | 57° | 62° | 0.56" | — |
| 2020 | 49° | 28° | 39° | — | — |
| 2019warmest | 73° | 63° | 68° | 0.84" | — |
| 2018 | 63° | 31° | 47° | — | — |
| 2017 | 58° | 38° | 48° | — | — |
| 2016 | 53° | 34° | 43° | — | — |
| 2015 | 54° | 30° | 42° | — | — |
| 2014 | 57° | 41° | 49° | 0.05" | — |
| 2013 | 66° | 38° | 52° | 0.08" | — |
| 2012 | 66° | 49° | 57° | — | — |
| 2011 | 53° | 28° | 41° | — | — |
| 2010 | 60° | 41° | 51° | — | — |
| 2009 | 70° | 55° | 62° | 0.25" | — |
| 2008 | 60° | 30° | 45° | — | — |
| 2007 | 64° | 36° | 50° | — | — |
| 2006 | 64° | 35° | 50° | — | — |
| 2005 | 63° | 33° | 48° | — | — |
| 2004 | 70° | 57° | 63° | 0.03" | — |
| 2003 | 64° | 38° | 51° | — | — |
| 2002 | 51° | 30° | 41° | — | — |
| 2001coldest | 44° | 23° | 34° | — | — |
| 2000 | 51° | 39° | 45° | 0.03" | — |
| 1999 | 70° | 52° | 61° | — | — |
| 1997 | 64° | 34° | 49° | — | — |
| 1996 | 56° | 35° | 45° | — | — |
| 1995 | 51° | 34° | 42° | — | — |
| 1994 | 73° | 41° | 57° | — | — |
| 1993 | 42° | 37° | 40° | 1.19" | — |
| 1992 | 48° | 38° | 43° | 0.1" | — |
| 1991 | 59° | 49° | 54° | — | — |
| 1990 | 64° | 46° | 55° | — | — |
| 1989 | 67° | 58° | 62° | 3.02" | — |
| 1988 | 56° | 29° | 42° | — | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 58° | 33° | 45° | — | — |
| 1985 | 55° | 40° | 47° | — | — |
| 1984 | 70° | 50° | 60° | — | — |
| 1983 | 56° | 29° | 42° | — | — |
| 1982 | 65° | 50° | 57° | — | — |
| 1980 | 60° | 35° | 48° | — | — |
| 1979 | 57° | 37° | 47° | — | — |
| 1978 | 61° | 45° | 53° | — | — |
| 1977 | 57° | 36° | 46° | — | — |
| 1976 | 59° | 49° | 54° | 1.19" | — |
| 1975 | 51° | 31° | 41° | — | — |
| 1974 | 66° | 58° | 62° | 0.23" | — |
| 1973 | 63° | 49° | 56° | 0.25" | — |
| 1972 | 49° | 33° | 41° | — | — |
| 1971 | 65° | 51° | 58° | — | — |
53 years of data from NEW HAVEN