Sauk County Weather in January
Average highs run from 28°F on January 1 to 28°F on January 31, and lows from 10°F to 8°F. Normal precipitation for the month is 1.51 in over about 8 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
- 8°F
- Precipitation
- 1.51 in
- Snowfall
- 9.9 in
- Record high
- 60°FJan 31, 2025
- Record low
- -42°FJan 30, 1951
- Chance of a freeze
- 100%
- Daylight
- 9 h 02 min to 9 h 53 min
- Cloud cover
- 65%
- Humidity
- 90%
- Dew point
- 13°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 | 28°F | 10°F | 47°F 1966 | -25°F 1947 | 28% | 17% |
| Jan 2 | 28°F | 10°F | 46°F 1950 | -23°F 1979 | 27% | 17% |
| Jan 3 | 28°F | 10°F | 50°F 2007 | -19°F 1919 | 27% | 17% |
| Jan 4 | 28°F | 9°F | 51°F 2007 | -21°F 1969 | 27% | 17% |
| Jan 5 | 28°F | 9°F | 50°F 1946 | -26°F 1972 | 27% | 17% |
| Jan 6 | 27°F | 9°F | 49°F 2012 | -21°F 2014 | 27% | 18% |
| Jan 7 | 27°F | 9°F | 52°F 2012 | -27°F 1951 | 26% | 18% |
| Jan 8 | 27°F | 9°F | 55°F 2003 | -27°F 1971 | 26% | 18% |
| Jan 9 | 27°F | 8°F | 47°F 2026 | -27°F 1977 | 26% | 18% |
| Jan 10 | 27°F | 8°F | 53°F 2002 | -26°F 1982 | 26% | 18% |
| Jan 11 | 27°F | 8°F | 51°F 2012 | -30°F 1979 | 26% | 19% |
| Jan 12 | 27°F | 8°F | 52°F 2012 | -22°F 1969 | 26% | 19% |
| Jan 13 | 27°F | 8°F | 52°F 1961 | -24°F 1916 | 27% | 20% |
| Jan 14 | 27°F | 8°F | 52°F 2026 | -32°F 1893 | 27% | 20% |
| Jan 15 | 27°F | 8°F | 52°F 1990 | -39°F 1963 | 27% | 20% |
| Jan 16 | 27°F | 7°F | 51°F 1974 | -36°F 1972 | 27% | 21% |
| Jan 17 | 27°F | 7°F | 56°F 1894 | -28°F 1982 | 27% | 21% |
| Jan 18 | 26°F | 7°F | 53°F 1894 | -30°F 1967 | 27% | 21% |
| Jan 19 | 27°F | 7°F | 48°F 1981 | -24°F 1970 | 27% | 22% |
| Jan 20 | 27°F | 7°F | 48°F 1894 | -27°F 1985 | 27% | 22% |
| Jan 21 | 27°F | 7°F | 52°F 1964 | -24°F 1963 | 28% | 22% |
| Jan 22 | 27°F | 7°F | 52°F 1964 | -20°F 1970 | 28% | 22% |
| Jan 23 | 27°F | 7°F | 50°F 1981 | -28°F 1963 | 28% | 23% |
| Jan 24 | 27°F | 7°F | 54°F 1981 | -21°F 2026 | 28% | 23% |
| Jan 25 | 27°F | 7°F | 55°F 1973 | -23°F 1915 | 28% | 23% |
| Jan 26 | 27°F | 7°F | 58°F 1973 | -30°F 1917 | 28% | 23% |
| Jan 27 | 27°F | 7°F | 52°F 2002 | -33°F 1915 | 28% | 23% |
| Jan 28 | 27°F | 7°F | 54°F 2002 | -28°F 1915 | 28% | 24% |
| Jan 29 | 27°F | 7°F | 49°F 2025 | -27°F 1965 | 28% | 24% |
| Jan 30 | 28°F | 8°F | 49°F 1974 | -42°F 1951 | 29% | 24% |
| Jan 31 | 28°F | 8°F | 60°F 2025 | -36°F 2019 | 29% | 24% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:33 AM, sunset 4:35 PM
- January 31
- sunrise 7:17 AM, sunset 5:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00477052 (Reedsburg), public domain. Records: NOAA GHCN-Daily, station USC00477052, 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.