Weather on January 18
New Haven, CT
55 Years of Data
About This Date
January 18th in New Haven, CT typically brings cold winter weather, with average highs around 37°F and lows near 22°F. Over 54 years of records, the warmest January 18th was in 1990 (53°F average), while the coldest was 1977 (8°F) — a 45°F range across recorded history. Precipitation has occurred on 33% of recorded January 18th dates, with snow falling 4% of the time (heaviest snowfall: 2"). The last decade has been 14.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 14.4°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in New Haven, CT? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 36° | 26° | 31° | 0.21" | — |
| 2025 | 46° | 34° | 40° | 0.2" | — |
| 2024 | 32° | 23° | 28° | — | — |
| 2023 | 54° | 35° | 44° | — | — |
| 2022 | 38° | 29° | 34° | — | — |
| 2021 | 47° | 37° | 42° | — | — |
| 2020 | 39° | 17° | 28° | 0.34" | — |
| 2019 | 40° | 27° | 34° | — | — |
| 2018 | 34° | 17° | 26° | — | — |
| 2017 | 40° | 36° | 38° | 0.04" | — |
| 2016 | 31° | 20° | 26° | — | — |
| 2015 | 48° | 21° | 35° | 0.96" | — |
| 2014 | 44° | 31° | 38° | 0.01" | — |
| 2013 | 32° | 25° | 29° | — | — |
| 2012 | 51° | 19° | 35° | — | — |
| 2011 | 43° | 21° | 32° | 0.9" | — |
| 2010 | 47° | 30° | 39° | 0.05" | — |
| 2009 | 27° | 19° | 23° | — | — |
| 2008 | 48° | 35° | 42° | 0.39" | — |
| 2007 | 39° | 15° | 27° | 0.12" | — |
| 2006 | 57° | 37° | 47° | 0.69" | — |
| 2005 | 16° | 4° | 10° | — | — |
| 2004 | 32° | 26° | 29° | 0.67" | — |
| 2003 | 21° | 3° | 12° | — | — |
| 2002 | 37° | 29° | 33° | — | — |
| 2001 | 32° | 13° | 22° | — | — |
| 2000 | 20° | 0° | 10° | — | — |
| 1998 | 37° | 23° | 30° | — | — |
| 1997 | 14° | 3° | 9° | — | — |
| 1995 | 50° | 37° | 44° | — | — |
| 1994 | 40° | 14° | 27° | 0.76" | 1" |
| 1993 | 34° | 20° | 27° | — | — |
| 1992 | 28° | 19° | 24° | — | — |
| 1991 | 44° | 34° | 39° | — | — |
| 1990warmest | 64° | 41° | 53° | 0.01" | — |
| 1989 | 47° | 33° | 40° | — | — |
| 1988 | 49° | 41° | 45° | 0.68" | — |
| 1987 | 39° | 32° | 36° | 0.55" | — |
| 1986 | 60° | 31° | 45° | — | — |
| 1985 | 33° | 19° | 26° | — | — |
| 1984 | 28° | 21° | 25° | 0.15" | 2" |
| 1983 | 27° | 16° | 21° | — | — |
| 1982 | 14° | 2° | 8° | — | — |
| 1981 | 28° | 11° | 19° | — | — |
| 1980 | 46° | 37° | 42° | — | — |
| 1979 | 28° | 22° | 25° | — | — |
| 1978 | 37° | 24° | 31° | — | — |
| 1977coldest | 15° | 2° | 8° | — | — |
| 1976 | 18° | 7° | 12° | — | — |
| 1975 | 44° | 20° | 32° | 0.17" | — |
| 1974 | 20° | 0° | 10° | — | — |
| 1973 | 56° | 26° | 41° | — | — |
| 1972 | 45° | 28° | 36° | — | — |
| 1971 | 24° | 0° | 12° | — | — |
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
Most pleasant months in New Haven, CT: May, June, September.
What to expect on January 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
January 18th outlook →