Wilton Weather in January
Average highs run from 20°F on January 1 to 20°F on January 31, and lows from 3°F to 1°F.
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
- 19°F
- Average low
- 1°F
- Snowfall
- 7.2 in
- Record high
- 60°FJan 5, 2012
- Record low
- -34°FJan 31, 2019
- Chance of a freeze
- 100%
- Daylight
- 8 h 34 min to 9 h 34 min
- Cloud cover
- 64%
- Humidity
- 86%
- Dew point
- 10°F
- Wind
- 12.1 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 | 20°F | 3°F | 37°F 2021 | -31°F 2018 | 14% | |
| Jan 2 | 19°F | 3°F | 44°F 2024 | -31°F 2018 | 14% | |
| Jan 3 | 19°F | 3°F | 55°F 2012 | -24°F 2014 | 14% | |
| Jan 4 | 19°F | 3°F | 55°F 2012 | -15°F 2017 | 14% | |
| Jan 5 | 19°F | 2°F | 60°F 2012 | -22°F 2017 | 14% | |
| Jan 6 | 19°F | 2°F | 44°F 2012 | -18°F 2015 | 14% | |
| Jan 7 | 19°F | 2°F | 44°F 2026 | -23°F 2022 | 14% | |
| Jan 8 | 19°F | 2°F | 47°F 2026 | -24°F 2017 | 14% | |
| Jan 9 | 19°F | 2°F | 53°F 2012 | -22°F 2017 | 14% | |
| Jan 10 | 19°F | 2°F | 54°F 2012 | -14°F 2016 | 14% | |
| Jan 11 | 19°F | 2°F | 43°F 2013 | -22°F 2016 | 14% | |
| Jan 12 | 19°F | 1°F | 48°F 2026 | -19°F 2017 | 14% | |
| Jan 13 | 19°F | 1°F | 51°F 2021 | -25°F 2017 | 14% | |
| Jan 14 | 19°F | 1°F | 48°F 2021 | -30°F 2018 | 14% | |
| Jan 15 | 19°F | 1°F | 45°F 2012 | -22°F 2024 | 13% | |
| Jan 16 | 19°F | 1°F | 43°F 2014 | -20°F 2018 | 13% | |
| Jan 17 | 19°F | 1°F | 43°F 2025 | -24°F 2018 | 13% | |
| Jan 18 | 19°F | 1°F | 42°F 2015 | -14°F 2016 | 13% | |
| Jan 19 | 19°F | 1°F | 43°F 2015 | -19°F 2016 | 13% | |
| Jan 20 | 19°F | 1°F | 46°F 2015 | -13°F 2022 | 13% | |
| Jan 21 | 19°F | 1°F | 42°F 2018 | -21°F 2025 | 13% | |
| Jan 22 | 19°F | 1°F | 38°F 2022 | -17°F 2025 | 13% | |
| Jan 23 | 19°F | 1°F | 40°F 2015 | -18°F 2026 | 13% | |
| Jan 24 | 19°F | 1°F | 46°F 2015 | -22°F 2026 | 13% | |
| Jan 25 | 19°F | 1°F | 44°F 2012 | -17°F 2026 | 13% | |
| Jan 26 | 19°F | 1°F | 43°F 2012 | -18°F 2026 | 13% | |
| Jan 27 | 19°F | 1°F | 50°F 2015 | -16°F 2026 | 13% | |
| Jan 28 | 19°F | 1°F | 54°F 2015 | -12°F 2014 | 13% | |
| Jan 29 | 20°F | 1°F | 48°F 2024 | -12°F 2014 | 13% | |
| Jan 30 | 20°F | 1°F | 50°F 2024 | -24°F 2019 | 13% | |
| Jan 31 | 20°F | 1°F | 56°F 2024 | -34°F 2019 | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 8:30 AM, sunset 5:04 PM
- January 31
- sunrise 8:10 AM, sunset 5:44 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00329455 (Wilton), public domain. Records: NOAA GHCN-Daily, station USC00320818, 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.