Suffolk Weather in January
Average highs run from 50°F on January 1 to 50°F on January 31, and lows from 32°F to 31°F. Normal precipitation for the month is 3.66 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
- 49°F
- Average low
- 31°F
- Precipitation
- 3.66 in
- Snowfall
- 3.1 in
- Record high
- 79°FJan 30, 2002
- Record low
- -5°FJan 21, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 42 min to 10 h 22 min
- Cloud cover
- 60%
- Humidity
- 83%
- Dew point
- 35°F
- Wind
- 11.4 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 | 50°F | 32°F | 77°F 1952 | 10°F 2018 | 34% | 2% |
| Jan 2 | 50°F | 32°F | 76°F 1952 | 12°F 2018 | 34% | 2% |
| Jan 3 | 50°F | 32°F | 73°F 2000 | 10°F 2018 | 34% | 3% |
| Jan 4 | 50°F | 32°F | 76°F 2000 | 11°F 1981 | 34% | 3% |
| Jan 5 | 50°F | 32°F | 73°F 1950 | 7°F 1981 | 34% | 3% |
| Jan 6 | 49°F | 32°F | 74°F 1998 | 7°F 2018 | 34% | 3% |
| Jan 7 | 49°F | 32°F | 74°F 1946 | 2°F 2018 | 34% | 3% |
| Jan 8 | 49°F | 32°F | 74°F 1998 | 9°F 2017 | 34% | 3% |
| Jan 9 | 49°F | 31°F | 73°F 2026 | 9°F 1970 | 34% | 3% |
| Jan 10 | 49°F | 31°F | 74°F 2026 | 7°F 1982 | 34% | 3% |
| Jan 11 | 49°F | 31°F | 74°F 1974 | 7°F 1981 | 34% | 3% |
| Jan 12 | 49°F | 31°F | 71°F 2020 | 4°F 1981 | 34% | 3% |
| Jan 13 | 49°F | 31°F | 76°F 2005 | 2°F 1981 | 34% | 3% |
| Jan 14 | 49°F | 31°F | 75°F 1995 | 14°F 1954 | 34% | 3% |
| Jan 15 | 49°F | 31°F | 72°F 1952 | 10°F 1994 | 34% | 3% |
| Jan 16 | 49°F | 31°F | 74°F 1953 | 5°F 1972 | 34% | 4% |
| Jan 17 | 49°F | 31°F | 74°F 1949 | 4°F 1977 | 34% | 4% |
| Jan 18 | 49°F | 31°F | 71°F 1990 | 8°F 1957 | 34% | 4% |
| Jan 19 | 49°F | 31°F | 72°F 2023 | 3°F 1994 | 34% | 4% |
| Jan 20 | 49°F | 31°F | 74°F 1951 | 0°F 1985 | 34% | 4% |
| Jan 21 | 49°F | 31°F | 72°F 1959 | -5°F 1985 | 34% | 4% |
| Jan 22 | 49°F | 31°F | 73°F 1999 | 7°F 1970 | 34% | 4% |
| Jan 23 | 49°F | 31°F | 76°F 1999 | 13°F 1970 | 34% | 4% |
| Jan 24 | 49°F | 31°F | 75°F 1967 | 12°F 2014 | 34% | 4% |
| Jan 25 | 49°F | 31°F | 76°F 1950 | 14°F 1961 | 34% | 4% |
| Jan 26 | 49°F | 31°F | 77°F 1950 | 13°F 1961 | 34% | 4% |
| Jan 27 | 50°F | 31°F | 75°F 1952 | 11°F 1961 | 34% | 4% |
| Jan 28 | 50°F | 31°F | 74°F 1974 | 8°F 2000 | 34% | 4% |
| Jan 29 | 50°F | 31°F | 77°F 1970 | 12°F 1966 | 34% | 4% |
| Jan 30 | 50°F | 31°F | 79°F 2002 | 7°F 2014 | 34% | 4% |
| Jan 31 | 50°F | 31°F | 73°F 2013 | 10°F 1955 | 34% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:19 AM, sunset 5:01 PM
- January 31
- sunrise 7:09 AM, sunset 5:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00448192 (Suffolk Lake Kilby), public domain. Records: NOAA GHCN-Daily, station USC00448192, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.