Weather on November 18
New Haven, CT
55 Years of Data
About This Date
November 18th in New Haven, CT typically brings cool fall weather, with average highs around 52°F and lows near 35°F. Over 54 years of records, the warmest November 18th was in 1987 (62°F average), while the coldest was 1995 (30°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of November 18th dates historically, with the wettest November 18th recording 2.54" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for November 18th in New Haven, CT? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 31° | 40° | — | — |
| 2024 | 66° | 39° | 53° | — | — |
| 2023 | 59° | 39° | 49° | 0.15" | — |
| 2022 | 46° | 37° | 42° | — | — |
| 2021 | 65° | 47° | 56° | 0.08" | — |
| 2020 | 38° | 24° | 31° | — | — |
| 2019 | 47° | 39° | 43° | — | — |
| 2018 | 43° | 34° | 38° | — | — |
| 2017 | 57° | 24° | 41° | 0.43" | — |
| 2016 | 57° | 32° | 45° | — | — |
| 2015 | 56° | 28° | 42° | — | — |
| 2014 | 49° | 28° | 39° | — | — |
| 2013 | 61° | 52° | 56° | 0.81" | — |
| 2012 | 51° | 33° | 42° | — | — |
| 2011 | 47° | 37° | 42° | — | — |
| 2010 | 56° | 45° | 50° | — | — |
| 2009 | 55° | 34° | 44° | — | — |
| 2008 | 43° | 30° | 37° | — | — |
| 2007 | 46° | 31° | 39° | — | — |
| 2006 | 52° | 43° | 47° | — | — |
| 2005 | 41° | 25° | 33° | — | — |
| 2004 | 55° | 32° | 44° | — | — |
| 2003 | 52° | 41° | 46° | — | — |
| 2002 | 47° | 36° | 41° | 0.23" | — |
| 2001 | 55° | 25° | 40° | — | — |
| 2000 | 47° | 23° | 35° | — | — |
| 1999 | 50° | 21° | 36° | — | — |
| 1997 | 40° | 20° | 30° | — | — |
| 1996 | 56° | 29° | 42° | — | — |
| 1995coldest | 40° | 21° | 30° | — | — |
| 1994 | 56° | 44° | 50° | 0.74" | — |
| 1993 | 51° | 44° | 48° | 0.43" | — |
| 1992 | 45° | 31° | 38° | — | — |
| 1991 | 60° | 31° | 45° | — | — |
| 1990 | 55° | 43° | 49° | — | — |
| 1989 | 56° | 47° | 51° | — | — |
| 1988 | 51° | 37° | 44° | — | — |
| 1987warmest | 69° | 56° | 62° | 0.43" | — |
| 1986 | 52° | 42° | 47° | — | — |
| 1985 | 56° | 32° | 44° | — | — |
| 1984 | 50° | 36° | 43° | — | — |
| 1983 | 46° | 34° | 40° | — | — |
| 1982 | 46° | 32° | 39° | — | — |
| 1981 | 52° | 44° | 48° | 1.4" | — |
| 1980 | 40° | 32° | 36° | 2.54" | — |
| 1979 | 59° | 30° | 45° | — | — |
| 1978 | 65° | 47° | 56° | — | — |
| 1977 | 56° | 41° | 48° | 0.86" | — |
| 1976 | 53° | 39° | 46° | — | — |
| 1975 | 67° | 41° | 54° | — | — |
| 1974 | 56° | 27° | 41° | — | — |
| 1973 | 49° | 34° | 41° | — | — |
| 1972 | 47° | 32° | 39° | — | — |
| 1971 | 56° | 38° | 47° | — | — |
New Haven, CT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
New Haven, CT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
New Haven, CT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit New Haven, CT
New Haven, CT has no months that meet our "pleasant" threshold — every season has tradeoffs.