Sullivan Weather in January
Average highs run from 28°F on January 1 to 27°F on January 31, and lows from 13°F to 11°F. Normal precipitation for the month is 1.68 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
- 11°F
- Precipitation
- 1.68 in
- Snowfall
- 13.2 in
- Record high
- 60°FJan 26, 1944
- Record low
- -31°FJan 15, 1963
- Chance of a freeze
- 100%
- Daylight
- 9 h 04 min to 9 h 56 min
- Cloud cover
- 66%
- Humidity
- 89%
- Dew point
- 15°F
- Wind
- 12.3 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 | 28°F | 13°F | 56°F 1897 | -15°F 1969 | 34% | 28% |
| Jan 2 | 28°F | 13°F | 54°F 1897 | -19°F 1979 | 35% | 28% |
| Jan 3 | 28°F | 13°F | 55°F 1897 | -19°F 1904 | 35% | 29% |
| Jan 4 | 28°F | 13°F | 52°F 1998 | -24°F 1919 | 35% | 29% |
| Jan 5 | 28°F | 12°F | 49°F 2007 | -23°F 1924 | 35% | 29% |
| Jan 6 | 27°F | 12°F | 49°F 1946 | -24°F 1909 | 35% | 29% |
| Jan 7 | 27°F | 12°F | 47°F 2008 | -26°F 1910 | 35% | 29% |
| Jan 8 | 27°F | 12°F | 55°F 2008 | -22°F 1942 | 35% | 30% |
| Jan 9 | 27°F | 12°F | 56°F 2026 | -22°F 1977 | 35% | 30% |
| Jan 10 | 27°F | 12°F | 53°F 1975 | -28°F 1982 | 35% | 30% |
| Jan 11 | 27°F | 11°F | 53°F 1975 | -26°F 1979 | 35% | 30% |
| Jan 12 | 27°F | 11°F | 53°F 2012 | -25°F 1912 | 35% | 30% |
| Jan 13 | 27°F | 11°F | 52°F 1961 | -26°F 1912 | 35% | 31% |
| Jan 14 | 27°F | 11°F | 53°F 2026 | -28°F 1893 | 35% | 31% |
| Jan 15 | 27°F | 11°F | 53°F 1953 | -31°F 1963 | 35% | 31% |
| Jan 16 | 27°F | 11°F | 50°F 1949 | -24°F 1994 | 35% | 31% |
| Jan 17 | 26°F | 11°F | 54°F 1894 | -27°F 1982 | 35% | 31% |
| Jan 18 | 26°F | 11°F | 54°F 1996 | -27°F 1994 | 35% | 31% |
| Jan 19 | 26°F | 11°F | 57°F 1996 | -31°F 1994 | 35% | 31% |
| Jan 20 | 26°F | 11°F | 57°F 1906 | -29°F 1994 | 35% | 31% |
| Jan 21 | 26°F | 11°F | 50°F 1964 | -29°F 1994 | 35% | 31% |
| Jan 22 | 26°F | 11°F | 53°F 1964 | -25°F 1936 | 35% | 31% |
| Jan 23 | 26°F | 11°F | 50°F 1909 | -26°F 1963 | 35% | 31% |
| Jan 24 | 27°F | 11°F | 52°F 1950 | -22°F 1897 | 35% | 31% |
| Jan 25 | 27°F | 11°F | 55°F 1950 | -30°F 1904 | 35% | 32% |
| Jan 26 | 27°F | 11°F | 60°F 1944 | -23°F 2019 | 35% | 31% |
| Jan 27 | 27°F | 11°F | 55°F 1944 | -25°F 1904 | 35% | 31% |
| Jan 28 | 27°F | 11°F | 54°F 2002 | -20°F 1902 | 35% | 31% |
| Jan 29 | 27°F | 11°F | 46°F 2006 | -24°F 1966 | 35% | 31% |
| Jan 30 | 27°F | 11°F | 56°F 2013 | -29°F 1951 | 35% | 31% |
| Jan 31 | 27°F | 11°F | 55°F 2025 | -28°F 2019 | 35% | 31% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:26 AM, sunset 4:30 PM
- January 31
- sunrise 7:10 AM, sunset 5:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00478316 (Sullivan 3SE), public domain. Records: NOAA GHCN-Daily, station USC00478919, 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.