Stonington Weather in January
Average highs run from 35°F on January 1 to 35°F on January 31, and lows from 21°F to 20°F. Normal precipitation for the month is 2.40 in over about 9 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
- 34°F
- Average low
- 20°F
- Precipitation
- 2.40 in
- Snowfall
- 5.9 in
- Record high
- 70°FJan 30, 2013
- Record low
- -23°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 25 min to 10 h 11 min
- Cloud cover
- 68%
- Humidity
- 85%
- Dew point
- 22°F
- Wind
- 11.9 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 | 35°F | 21°F | 68°F 2005 | -3°F 1999 | 29% | 9% |
| Jan 2 | 35°F | 21°F | 59°F 2006 | -2°F 2010 | 29% | 9% |
| Jan 3 | 34°F | 21°F | 65°F 1997 | -5°F 2001 | 29% | 9% |
| Jan 4 | 34°F | 21°F | 66°F 2023 | -11°F 1999 | 29% | 9% |
| Jan 5 | 34°F | 21°F | 68°F 1997 | -17°F 1999 | 29% | 10% |
| Jan 6 | 34°F | 20°F | 57°F 2012 | -14°F 1999 | 29% | 10% |
| Jan 7 | 34°F | 20°F | 66°F 2008 | -18°F 2014 | 29% | 10% |
| Jan 8 | 34°F | 20°F | 68°F 2008 | -8°F 2014 | 29% | 10% |
| Jan 9 | 34°F | 20°F | 65°F 2026 | -4°F 1999 | 29% | 10% |
| Jan 10 | 34°F | 20°F | 55°F 2020 | -18°F 1982 | 29% | 10% |
| Jan 11 | 34°F | 20°F | 63°F 2013 | -17°F 1982 | 29% | 10% |
| Jan 12 | 34°F | 20°F | 60°F 2023 | -10°F 1997 | 29% | 11% |
| Jan 13 | 34°F | 20°F | 64°F 2005 | -9°F 1997 | 29% | 11% |
| Jan 14 | 34°F | 19°F | 57°F 2026 | -12°F 2024 | 29% | 11% |
| Jan 15 | 34°F | 19°F | 52°F 1980 | -12°F 1994 | 29% | 11% |
| Jan 16 | 34°F | 19°F | 60°F 1990 | -12°F 1994 | 29% | 11% |
| Jan 17 | 34°F | 19°F | 62°F 1986 | -22°F 1982 | 29% | 11% |
| Jan 18 | 34°F | 19°F | 60°F 1990 | -19°F 1994 | 29% | 11% |
| Jan 19 | 34°F | 19°F | 59°F 1996 | -23°F 1994 | 29% | 11% |
| Jan 20 | 34°F | 19°F | 58°F 2006 | -20°F 1985 | 29% | 11% |
| Jan 21 | 34°F | 19°F | 57°F 2006 | -19°F 1985 | 29% | 11% |
| Jan 22 | 34°F | 19°F | 64°F 1986 | -15°F 2011 | 29% | 11% |
| Jan 23 | 34°F | 19°F | 51°F 2009 | -6°F 1987 | 29% | 11% |
| Jan 24 | 34°F | 19°F | 60°F 2002 | -14°F 1987 | 29% | 11% |
| Jan 25 | 34°F | 19°F | 59°F 1981 | -6°F 1987 | 29% | 11% |
| Jan 26 | 34°F | 19°F | 58°F 1981 | -10°F 2026 | 29% | 11% |
| Jan 27 | 34°F | 19°F | 53°F 2002 | -4°F 1987 | 29% | 11% |
| Jan 28 | 35°F | 19°F | 65°F 1999 | -8°F 2026 | 29% | 11% |
| Jan 29 | 35°F | 20°F | 68°F 2013 | -5°F 1997 | 29% | 11% |
| Jan 30 | 35°F | 20°F | 70°F 2013 | -12°F 2019 | 29% | 11% |
| Jan 31 | 35°F | 20°F | 58°F 1988 | -13°F 1996 | 29% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:18 AM, sunset 4:43 PM
- January 31
- sunrise 7:05 AM, sunset 5:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00112193 (Decatur Wtp), public domain. Records: NOAA GHCN-Daily, station USC00115841, 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.