New Haven Weather in January
Average highs run from 43°F on January 1 to 43°F on January 31, and lows from 26°F to 24°F. Normal precipitation for the month is 3.99 in over about 11 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 42°F
- Average low
- 24°F
- Precipitation
- 3.99 in
- Snowfall
- 2.0 in
- Record high
- 72°FJan 26, 1967
- Record low
- -26°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 37 min to 10 h 18 min
- Cloud cover
- 70%
- Humidity
- 87%
- Dew point
- 29°F
- Wind
- 8.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 43°F | 26°F | 71°F 1952 | -4°F 1968 | 38% | 3% |
| Jan 2 | 43°F | 26°F | 68°F 2000 | -3°F 2018 | 38% | 3% |
| Jan 3 | 43°F | 26°F | 68°F 2000 | 0°F 1979 | 38% | 3% |
| Jan 4 | 42°F | 25°F | 68°F 2004 | 0°F 1969 | 38% | 3% |
| Jan 5 | 42°F | 25°F | 68°F 2004 | -4°F 1959 | 38% | 3% |
| Jan 6 | 42°F | 25°F | 67°F 1998 | -2°F 2018 | 38% | 3% |
| Jan 7 | 42°F | 25°F | 69°F 2008 | -5°F 1970 | 38% | 3% |
| Jan 8 | 42°F | 25°F | 68°F 2008 | -6°F 1970 | 37% | 3% |
| Jan 9 | 42°F | 25°F | 67°F 2008 | -5°F 1976 | 37% | 3% |
| Jan 10 | 42°F | 25°F | 65°F 2020 | -13°F 1970 | 37% | 3% |
| Jan 11 | 42°F | 24°F | 70°F 2020 | -17°F 1977 | 37% | 3% |
| Jan 12 | 42°F | 24°F | 70°F 1960 | -4°F 1962 | 37% | 3% |
| Jan 13 | 42°F | 24°F | 71°F 1960 | -6°F 1977 | 36% | 3% |
| Jan 14 | 42°F | 24°F | 70°F 1960 | -5°F 1964 | 36% | 3% |
| Jan 15 | 42°F | 24°F | 67°F 1952 | -3°F 2009 | 36% | 3% |
| Jan 16 | 42°F | 24°F | 67°F 1953 | -11°F 1972 | 36% | 3% |
| Jan 17 | 42°F | 24°F | 71°F 1952 | -13°F 1977 | 35% | 3% |
| Jan 18 | 42°F | 24°F | 69°F 1996 | -11°F 1994 | 35% | 3% |
| Jan 19 | 42°F | 24°F | 69°F 1951 | -26°F 1994 | 35% | 3% |
| Jan 20 | 42°F | 24°F | 69°F 1951 | -12°F 1994 | 35% | 3% |
| Jan 21 | 42°F | 24°F | 69°F 1959 | -14°F 1994 | 35% | 3% |
| Jan 22 | 42°F | 24°F | 71°F 1999 | -5°F 1970 | 34% | 3% |
| Jan 23 | 42°F | 24°F | 71°F 1967 | -5°F 1984 | 34% | 3% |
| Jan 24 | 42°F | 24°F | 71°F 1967 | -19°F 1963 | 34% | 3% |
| Jan 25 | 42°F | 24°F | 71°F 1972 | -9°F 1963 | 34% | 3% |
| Jan 26 | 42°F | 24°F | 72°F 1967 | 0°F 1978 | 34% | 4% |
| Jan 27 | 42°F | 24°F | 68°F 1952 | -3°F 2003 | 34% | 4% |
| Jan 28 | 43°F | 24°F | 66°F 1970 | -20°F 1963 | 34% | 4% |
| Jan 29 | 43°F | 24°F | 72°F 1975 | -9°F 1977 | 33% | 4% |
| Jan 30 | 43°F | 24°F | 68°F 2013 | -10°F 1966 | 33% | 4% |
| Jan 31 | 43°F | 24°F | 67°F 2002 | -8°F 1965 | 33% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:58 AM, sunset 5:35 PM
- January 31
- sunrise 7:47 AM, sunset 6:05 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00152512 (Elizabethtown Wp Cs), public domain. Records: NOAA GHCN-Daily, station USC00150397, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.