Wilton Weather in January
Average highs run from 29°F on January 1 to 27°F on January 31, and lows from 9°F to 4°F. Normal precipitation for the month is 3.53 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
- 27°F
- Average low
- 6°F
- Precipitation
- 3.53 in
- Snowfall
- 20.7 in
- Record high
- 58°FJan 9, 2008
- Record low
- -32°FJan 4, 1981
- Chance of a freeze
- 100%
- Daylight
- 8 h 54 min to 9 h 48 min
- Cloud cover
- 65%
- Humidity
- 93%
- Dew point
- 13°F
- Wind
- 6.0 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 | 29°F | 9°F | 55°F 1966 | -22°F 1972 | 39% | 25% |
| Jan 2 | 28°F | 9°F | 52°F 2023 | -19°F 1968 | 39% | 25% |
| Jan 3 | 28°F | 9°F | 48°F 1960 | -20°F 1981 | 39% | 25% |
| Jan 4 | 28°F | 8°F | 50°F 1998 | -32°F 1981 | 38% | 25% |
| Jan 5 | 28°F | 8°F | 54°F 1993 | -20°F 1981 | 38% | 25% |
| Jan 6 | 28°F | 8°F | 54°F 1993 | -17°F 1976 | 38% | 25% |
| Jan 7 | 27°F | 7°F | 57°F 2007 | -17°F 1996 | 38% | 25% |
| Jan 8 | 27°F | 7°F | 46°F 2007 | -14°F 1968 | 38% | 25% |
| Jan 9 | 27°F | 7°F | 58°F 2008 | -23°F 1973 | 37% | 25% |
| Jan 10 | 27°F | 7°F | 51°F 2008 | -18°F 1960 | 37% | 25% |
| Jan 11 | 27°F | 6°F | 57°F 1983 | -26°F 1976 | 37% | 25% |
| Jan 12 | 27°F | 6°F | 55°F 1980 | -24°F 1968 | 37% | 25% |
| Jan 13 | 27°F | 6°F | 53°F 2018 | -20°F 1971 | 37% | 25% |
| Jan 14 | 27°F | 6°F | 56°F 2005 | -18°F 1981 | 36% | 25% |
| Jan 15 | 26°F | 5°F | 57°F 2006 | -20°F 1986 | 36% | 25% |
| Jan 16 | 26°F | 5°F | 53°F 1995 | -22°F 2009 | 36% | 25% |
| Jan 17 | 26°F | 5°F | 54°F 1995 | -18°F 2009 | 36% | 25% |
| Jan 18 | 26°F | 5°F | 57°F 1990 | -21°F 1971 | 35% | 25% |
| Jan 19 | 26°F | 5°F | 55°F 2006 | -26°F 1971 | 35% | 25% |
| Jan 20 | 26°F | 4°F | 54°F 1996 | -32°F 1994 | 35% | 24% |
| Jan 21 | 26°F | 4°F | 43°F 1986 | -32°F 1994 | 35% | 24% |
| Jan 22 | 26°F | 4°F | 53°F 2006 | -26°F 1985 | 34% | 24% |
| Jan 23 | 26°F | 4°F | 47°F 1969 | -22°F 1961 | 34% | 24% |
| Jan 24 | 26°F | 4°F | 51°F 1992 | -25°F 1961 | 34% | 24% |
| Jan 25 | 26°F | 4°F | 51°F 1999 | -14°F 2009 | 34% | 24% |
| Jan 26 | 26°F | 4°F | 55°F 1978 | -19°F 1982 | 34% | 24% |
| Jan 27 | 26°F | 4°F | 57°F 1974 | -26°F 1994 | 34% | 24% |
| Jan 28 | 27°F | 4°F | 56°F 1974 | -26°F 1994 | 34% | 24% |
| Jan 29 | 27°F | 4°F | 52°F 2006 | -18°F 2003 | 34% | 24% |
| Jan 30 | 27°F | 4°F | 48°F 1994 | -13°F 1965 | 34% | 24% |
| Jan 31 | 27°F | 4°F | 56°F 2013 | -20°F 1961 | 33% | 24% |
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 4:12 PM
- January 31
- sunrise 7:01 AM, sunset 4:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00172765 (Farmington), public domain. Records: NOAA GHCN-Daily, station USC00179151, 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.