Weather on January 31
New Haven, CT
55 Years of Data
About This Date
January 31st in New Haven, CT typically brings cold winter weather, with average highs around 37°F and lows near 23°F. Over 53 years of records, the warmest January 31st was in 1988 (49°F average), while the coldest was 2019 (11°F) — a 38°F range across recorded history. Precipitation has occurred on 25% of recorded January 31st dates, with snow falling 4% of the time (heaviest snowfall: 3"). The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for January 31st in New Haven, CT? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 32° | 4° | 18° | — | — |
| 2025 | 44° | 32° | 38° | 0.12" | — |
| 2024 | 40° | 33° | 36° | — | — |
| 2023 | 43° | 30° | 37° | — | — |
| 2022 | 30° | 4° | 17° | — | — |
| 2021 | 24° | 13° | 19° | — | — |
| 2020 | 42° | 21° | 32° | 0.01" | — |
| 2019coldest | 18° | 4° | 11° | — | — |
| 2018 | 34° | 20° | 27° | — | — |
| 2017 | 29° | 17° | 23° | 0.03" | — |
| 2016 | 49° | 31° | 40° | — | — |
| 2015 | 23° | 9° | 16° | — | — |
| 2014 | 38° | 28° | 33° | — | — |
| 2013 | 59° | 32° | 46° | 0.22" | — |
| 2012 | 54° | 36° | 45° | — | — |
| 2011 | 30° | 17° | 24° | — | — |
| 2010 | 30° | 14° | 22° | — | — |
| 2009 | 30° | 22° | 26° | — | — |
| 2008 | 39° | 20° | 30° | — | — |
| 2007 | 33° | 20° | 27° | — | — |
| 2006 | 39° | 35° | 37° | 0.09" | — |
| 2005 | 34° | 7° | 20° | — | — |
| 2004 | 29° | 16° | 22° | — | — |
| 2003 | 37° | 28° | 33° | — | — |
| 2002 | 41° | 34° | 37° | 0.13" | — |
| 2001 | 48° | 30° | 39° | 0.06" | — |
| 1998 | 42° | 30° | 36° | — | — |
| 1997 | 31° | 20° | 25° | 0.14" | — |
| 1995 | 40° | 21° | 30° | — | — |
| 1994 | 27° | 11° | 19° | — | — |
| 1993 | 27° | 19° | 23° | — | 0.5" |
| 1992 | 43° | 31° | 37° | — | — |
| 1991 | 45° | 28° | 36° | 0.4" | — |
| 1990 | 45° | 29° | 37° | — | — |
| 1989 | 47° | 37° | 42° | — | — |
| 1988warmest | 59° | 40° | 49° | — | — |
| 1987 | 48° | 40° | 44° | — | — |
| 1986 | 34° | 20° | 27° | — | — |
| 1985 | 35° | 19° | 27° | 0.05" | — |
| 1984 | 34° | 30° | 32° | 0.4" | 3" |
| 1983 | 48° | 36° | 42° | 0.27" | — |
| 1982 | 40° | 33° | 36° | 0.15" | — |
| 1981 | 38° | 15° | 26° | — | — |
| 1980 | 30° | 17° | 24° | — | — |
| 1979 | 43° | 35° | 39° | — | — |
| 1978 | 33° | 15° | 24° | — | — |
| 1977 | 24° | 8° | 16° | — | — |
| 1976 | 31° | 17° | 24° | — | — |
| 1975 | 38° | 27° | 32° | — | — |
| 1974 | 52° | 36° | 44° | — | — |
| 1973 | 26° | 10° | 18° | — | — |
| 1972 | 35° | 20° | 27° | — | — |
| 1971 | 29° | 5° | 17° | — | — |
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 31st
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 31st outlook →