Weather on April 18
New Haven, CT
55 Years of Data
Avg High
62°F
Avg Low
41°F
Warmest
2002
72°F avg
Coldest
2003
38°F avg
About This Date
April 18th in New Haven, CT typically brings mild spring weather, with average highs around 62°F and lows near 41°F. Over 54 years of records, the warmest April 18th was in 2002 (72°F average), while the coldest was 2003 (38°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 19% of April 18th dates historically, with the wettest April 18th recording 2.34" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in New Haven, CT? Great weather for outdoor activities.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 34° | 49° | — | — |
| 2024 | 49° | 46° | 47° | 0.66" | — |
| 2023 | 59° | 49° | 54° | — | — |
| 2022 | 55° | 36° | 45° | 0.89" | — |
| 2021 | 63° | 42° | 52° | — | — |
| 2020 | 46° | 35° | 41° | 0.71" | — |
| 2019 | 57° | 48° | 53° | 0.1" | — |
| 2018 | 52° | 36° | 44° | — | — |
| 2017 | 59° | 44° | 52° | — | — |
| 2016 | 76° | 37° | 56° | — | — |
| 2015 | 70° | 41° | 55° | — | — |
| 2014 | 46° | 31° | 39° | — | — |
| 2013 | 57° | 43° | 50° | — | — |
| 2012 | 62° | 49° | 55° | — | — |
| 2011 | 59° | 45° | 52° | — | — |
| 2010 | 56° | 44° | 50° | — | — |
| 2009 | 75° | 39° | 57° | — | — |
| 2008 | 77° | 37° | 57° | — | — |
| 2007 | 50° | 42° | 46° | — | — |
| 2006 | 72° | 41° | 56° | — | — |
| 2005 | 73° | 40° | 56° | — | — |
| 2004 | 67° | 44° | 55° | — | — |
| 2003coldest | 45° | 32° | 38° | — | — |
| 2002warmest | 86° | 57° | 72° | — | — |
| 2001 | 54° | 36° | 45° | — | — |
| 2000 | 51° | 40° | 45° | 0.15" | — |
| 1998 | 61° | 41° | 51° | 0.1" | — |
| 1997 | 40° | 54° | 47° | 1.98" | — |
| 1996 | 64° | 35° | 50° | — | — |
| 1995 | 63° | 34° | 48° | — | — |
| 1994 | 62° | 36° | 49° | — | — |
| 1993 | 64° | 33° | 49° | — | — |
| 1992 | 42° | 35° | 39° | 1.27" | — |
| 1991 | 50° | 38° | 44° | — | — |
| 1990 | 51° | 36° | 43° | — | — |
| 1989 | 71° | 50° | 61° | — | — |
| 1988 | 63° | 37° | 50° | 0.43" | — |
| 1987 | 65° | 52° | 58° | 2.34" | — |
| 1986 | 63° | 48° | 55° | — | — |
| 1985 | 60° | 39° | 50° | — | — |
| 1984 | 68° | 40° | 54° | — | — |
| 1983 | 54° | 39° | 46° | — | — |
| 1982 | 58° | 38° | 48° | — | — |
| 1981 | 78° | 49° | 63° | — | — |
| 1980 | 61° | 27° | 44° | — | — |
| 1979 | 60° | 42° | 51° | — | — |
| 1978 | 59° | 39° | 49° | — | — |
| 1977 | 72° | 42° | 57° | — | — |
| 1976 | 84° | 58° | 71° | — | — |
| 1975 | 69° | 43° | 56° | — | — |
| 1974 | 74° | 43° | 58° | — | — |
| 1973 | 73° | 52° | 62° | — | — |
| 1972 | 68° | 45° | 56° | — | — |
| 1971 | 57° | 37° | 47° | — | — |
54 years of data from NEW HAVEN