Westport Weather in January
Average highs run from 40°F on January 1 to 41°F on January 31, and lows from 25°F to 23°F. Normal precipitation for the month is 3.37 in over about 10 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
- 40°F
- Average low
- 23°F
- Precipitation
- 3.37 in
- Snowfall
- 4.8 in
- Record high
- 75°FJan 24, 1943
- Record low
- -27°FJan 13, 1912
- Chance of a freeze
- 100%
- Daylight
- 9 h 28 min to 10 h 12 min
- Cloud cover
- 73%
- Humidity
- 87%
- Dew point
- 25°F
- Wind
- 9.6 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 | 40°F | 25°F | 70°F 1952 | -11°F 1968 | 34% | 9% |
| Jan 2 | 40°F | 25°F | 63°F 1897 | -11°F 1968 | 34% | 9% |
| Jan 3 | 40°F | 24°F | 65°F 1897 | -10°F 1904 | 34% | 9% |
| Jan 4 | 40°F | 24°F | 70°F 1950 | -6°F 1918 | 34% | 9% |
| Jan 5 | 40°F | 24°F | 66°F 1997 | -11°F 1924 | 34% | 9% |
| Jan 6 | 39°F | 24°F | 66°F 1955 | -10°F 1924 | 34% | 10% |
| Jan 7 | 39°F | 24°F | 67°F 1907 | -18°F 1912 | 34% | 10% |
| Jan 8 | 39°F | 24°F | 65°F 1965 | -15°F 1942 | 34% | 10% |
| Jan 9 | 39°F | 24°F | 68°F 1937 | -10°F 1906 | 34% | 10% |
| Jan 10 | 39°F | 23°F | 65°F 1950 | -15°F 1982 | 34% | 10% |
| Jan 11 | 39°F | 23°F | 63°F 2020 | -10°F 1962 | 34% | 10% |
| Jan 12 | 39°F | 23°F | 70°F 1916 | -18°F 1918 | 34% | 10% |
| Jan 13 | 39°F | 23°F | 68°F 1960 | -27°F 1912 | 34% | 11% |
| Jan 14 | 39°F | 23°F | 68°F 1928 | -14°F 1977 | 34% | 11% |
| Jan 15 | 39°F | 23°F | 67°F 1906 | -10°F 1917 | 34% | 11% |
| Jan 16 | 39°F | 23°F | 68°F 1928 | -19°F 1912 | 34% | 11% |
| Jan 17 | 39°F | 23°F | 67°F 1990 | -24°F 1977 | 34% | 11% |
| Jan 18 | 40°F | 23°F | 66°F 1952 | -26°F 1977 | 34% | 11% |
| Jan 19 | 40°F | 23°F | 73°F 1907 | -26°F 1994 | 34% | 11% |
| Jan 20 | 40°F | 23°F | 73°F 1906 | -24°F 1994 | 34% | 12% |
| Jan 21 | 40°F | 23°F | 72°F 1951 | -21°F 1918 | 34% | 12% |
| Jan 22 | 40°F | 23°F | 65°F 1916 | -19°F 1984 | 34% | 12% |
| Jan 23 | 40°F | 23°F | 68°F 1909 | -17°F 1936 | 34% | 12% |
| Jan 24 | 40°F | 23°F | 75°F 1943 | -18°F 1915 | 34% | 12% |
| Jan 25 | 40°F | 23°F | 70°F 1950 | -17°F 1915 | 34% | 12% |
| Jan 26 | 40°F | 23°F | 73°F 1950 | -11°F 1897 | 34% | 12% |
| Jan 27 | 41°F | 23°F | 69°F 1944 | -22°F 1904 | 34% | 12% |
| Jan 28 | 41°F | 23°F | 67°F 1914 | -21°F 1963 | 34% | 12% |
| Jan 29 | 41°F | 23°F | 69°F 1914 | -22°F 1963 | 34% | 12% |
| Jan 30 | 41°F | 23°F | 68°F 2002 | -11°F 1963 | 34% | 13% |
| Jan 31 | 41°F | 23°F | 67°F 1917 | -13°F 2004 | 34% | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 8:02 AM, sunset 5:30 PM
- January 31
- sunrise 7:50 AM, sunset 6:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00126435 (N Vernon 2 Ese), public domain. Records: NOAA GHCN-Daily, station USC00121747, 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.