Wilton Weather in January
Average highs run from 34°F on January 1 to 33°F on January 31, and lows from 17°F to 13°F. Normal precipitation for the month is 3.03 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
- 33°F
- Average low
- 14°F
- Precipitation
- 3.03 in
- Snowfall
- 15.4 in
- Record high
- 69°FJan 7, 2007
- Record low
- -29°FJan 18, 1957
- Chance of a freeze
- 100%
- Daylight
- 9 h 06 min to 9 h 56 min
- Cloud cover
- 66%
- Humidity
- 89%
- Dew point
- 19°F
- Wind
- 6.3 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 | 34°F | 17°F | 62°F 1934 | -17°F 1964 | 36% | 20% |
| Jan 2 | 34°F | 17°F | 63°F 1890 | -19°F 1899 | 36% | 20% |
| Jan 3 | 34°F | 16°F | 59°F 1913 | -12°F 2018 | 37% | 20% |
| Jan 4 | 34°F | 16°F | 61°F 2000 | -17°F 1900 | 37% | 21% |
| Jan 5 | 34°F | 16°F | 66°F 1950 | -17°F 1904 | 37% | 21% |
| Jan 6 | 34°F | 16°F | 59°F 1929 | -21°F 1904 | 37% | 21% |
| Jan 7 | 34°F | 16°F | 69°F 2007 | -19°F 1942 | 37% | 21% |
| Jan 8 | 34°F | 15°F | 60°F 1930 | -18°F 1942 | 37% | 22% |
| Jan 9 | 33°F | 15°F | 64°F 2008 | -12°F 1887 | 36% | 22% |
| Jan 10 | 33°F | 15°F | 64°F 2008 | -17°F 1947 | 36% | 22% |
| Jan 11 | 33°F | 15°F | 57°F 1983 | -20°F 1945 | 36% | 22% |
| Jan 12 | 33°F | 15°F | 65°F 2020 | -18°F 1981 | 36% | 22% |
| Jan 13 | 33°F | 15°F | 67°F 2020 | -23°F 1886 | 36% | 22% |
| Jan 14 | 33°F | 14°F | 66°F 1932 | -24°F 1957 | 36% | 22% |
| Jan 15 | 33°F | 14°F | 63°F 1932 | -19°F 1957 | 36% | 23% |
| Jan 16 | 33°F | 14°F | 62°F 1932 | -16°F 1929 | 35% | 23% |
| Jan 17 | 33°F | 14°F | 64°F 1995 | -20°F 1971 | 35% | 23% |
| Jan 18 | 33°F | 14°F | 62°F 1973 | -29°F 1957 | 35% | 23% |
| Jan 19 | 33°F | 14°F | 60°F 1973 | -25°F 1887 | 35% | 23% |
| Jan 20 | 33°F | 14°F | 60°F 2006 | -19°F 1971 | 35% | 23% |
| Jan 21 | 33°F | 13°F | 61°F 1906 | -14°F 1961 | 35% | 23% |
| Jan 22 | 33°F | 13°F | 59°F 1906 | -28°F 1961 | 34% | 23% |
| Jan 23 | 33°F | 13°F | 64°F 1906 | -19°F 1888 | 34% | 23% |
| Jan 24 | 33°F | 13°F | 61°F 1967 | -27°F 1961 | 34% | 23% |
| Jan 25 | 33°F | 13°F | 57°F 1938 | -12°F 1888 | 34% | 23% |
| Jan 26 | 33°F | 13°F | 65°F 1916 | -21°F 1948 | 34% | 23% |
| Jan 27 | 33°F | 13°F | 68°F 1950 | -23°F 1935 | 33% | 23% |
| Jan 28 | 33°F | 13°F | 59°F 1916 | -22°F 1904 | 33% | 23% |
| Jan 29 | 33°F | 13°F | 52°F 1989 | -19°F 1936 | 33% | 23% |
| Jan 30 | 33°F | 13°F | 57°F 2002 | -19°F 1935 | 33% | 23% |
| Jan 31 | 33°F | 13°F | 59°F 1913 | -23°F 1935 | 33% | 23% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:18 AM, sunset 4:24 PM
- January 31
- sunrise 7:03 AM, sunset 4:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00275412 (Milford), public domain. Records: NOAA GHCN-Daily, station USC00275712, 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.