Cohasset Weather in January
Average highs run from 19°F on January 1 to 19°F on January 31, and lows from -1°F to -3°F. Normal precipitation for the month is 0.77 in over about 8 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
- 18°F
- Average low
- -3°F
- Precipitation
- 0.77 in
- Snowfall
- 12.2 in
- Record high
- 53°FJan 31, 2024
- Record low
- -51°FJan 26, 1927
- Chance of a freeze
- 100%
- Daylight
- 8 h 34 min to 9 h 34 min
- Cloud cover
- 63%
- Humidity
- 94%
- Dew point
- 3°F
- Wind
- 10.5 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 | 19°F | -1°F | 44°F 1964 | -36°F 1979 | 26% | 38% |
| Jan 2 | 18°F | -1°F | 49°F 1927 | -37°F 1979 | 26% | 38% |
| Jan 3 | 18°F | -1°F | 41°F 1927 | -38°F 1919 | 26% | 38% |
| Jan 4 | 18°F | -1°F | 43°F 2019 | -37°F 1959 | 26% | 38% |
| Jan 5 | 18°F | -2°F | 51°F 2012 | -42°F 1924 | 26% | 38% |
| Jan 6 | 18°F | -2°F | 43°F 1984 | -37°F 1968 | 26% | 38% |
| Jan 7 | 18°F | -2°F | 48°F 2003 | -37°F 1973 | 26% | 38% |
| Jan 8 | 18°F | -2°F | 50°F 2002 | -38°F 1973 | 26% | 38% |
| Jan 9 | 18°F | -2°F | 46°F 1990 | -38°F 1977 | 26% | 38% |
| Jan 10 | 18°F | -3°F | 48°F 2012 | -38°F 1930 | 26% | 38% |
| Jan 11 | 18°F | -3°F | 42°F 1990 | -38°F 1979 | 26% | 38% |
| Jan 12 | 18°F | -3°F | 46°F 1986 | -34°F 1954 | 26% | 38% |
| Jan 13 | 17°F | -3°F | 48°F 1987 | -43°F 1916 | 26% | 37% |
| Jan 14 | 17°F | -3°F | 44°F 1987 | -46°F 1916 | 26% | 37% |
| Jan 15 | 17°F | -3°F | 39°F 1919 | -43°F 1972 | 26% | 37% |
| Jan 16 | 17°F | -3°F | 44°F 1973 | -40°F 1940 | 26% | 37% |
| Jan 17 | 17°F | -3°F | 41°F 1999 | -40°F 1948 | 26% | 37% |
| Jan 18 | 17°F | -3°F | 48°F 2017 | -41°F 1967 | 26% | 37% |
| Jan 19 | 17°F | -4°F | 44°F 2018 | -45°F 1937 | 26% | 37% |
| Jan 20 | 17°F | -4°F | 45°F 1944 | -41°F 1996 | 26% | 36% |
| Jan 21 | 18°F | -4°F | 46°F 1942 | -40°F 1954 | 26% | 36% |
| Jan 22 | 18°F | -4°F | 50°F 1942 | -38°F 1936 | 26% | 36% |
| Jan 23 | 18°F | -4°F | 51°F 1942 | -43°F 1936 | 26% | 36% |
| Jan 24 | 18°F | -4°F | 51°F 1981 | -44°F 1922 | 26% | 36% |
| Jan 25 | 18°F | -4°F | 51°F 1973 | -35°F 1917 | 26% | 35% |
| Jan 26 | 18°F | -4°F | 46°F 1973 | -51°F 1927 | 26% | 35% |
| Jan 27 | 18°F | -4°F | 49°F 2006 | -38°F 1935 | 25% | 35% |
| Jan 28 | 18°F | -3°F | 45°F 1989 | -40°F 1918 | 25% | 35% |
| Jan 29 | 18°F | -3°F | 44°F 1924 | -37°F 1951 | 25% | 35% |
| Jan 30 | 19°F | -3°F | 45°F 2025 | -44°F 1950 | 25% | 34% |
| Jan 31 | 19°F | -3°F | 53°F 2024 | -42°F 2019 | 25% | 34% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 8:01 AM, sunset 4:35 PM
- January 31
- sunrise 7:41 AM, sunset 5:15 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00216612 (Pokegama Dam), public domain. Records: NOAA GHCN-Daily, station USC00213303, 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.