Platteville Weather in January
Average highs run from 43°F on January 1 to 45°F on January 31, and lows from 17°F to 18°F. Normal precipitation for the month is 0.45 in over about 4 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
- 44°F
- Average low
- 18°F
- Precipitation
- 0.45 in
- Snowfall
- 5.7 in
- Record high
- 75°FJan 27, 1982
- Record low
- -38°FJan 16, 1930
- Chance of a freeze
- 100%
- Daylight
- 9 h 22 min to 10 h 08 min
- Cloud cover
- 65%
- Humidity
- 56%
- Dew point
- 16°F
- Wind
- 9.6 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 | 43°F | 17°F | 67°F 1918 | -20°F 1919 | 12% | 11% |
| Jan 2 | 43°F | 17°F | 69°F 1998 | -20°F 1942 | 12% | 11% |
| Jan 3 | 43°F | 17°F | 72°F 1997 | -19°F 1924 | 12% | 11% |
| Jan 4 | 43°F | 17°F | 68°F 1927 | -29°F 1913 | 12% | 11% |
| Jan 5 | 43°F | 17°F | 72°F 1927 | -27°F 1942 | 12% | 11% |
| Jan 6 | 44°F | 17°F | 70°F 1956 | -31°F 1913 | 12% | 11% |
| Jan 7 | 44°F | 17°F | 67°F 1954 | -20°F 1971 | 12% | 11% |
| Jan 8 | 44°F | 17°F | 68°F 1969 | -25°F 1913 | 12% | 11% |
| Jan 9 | 44°F | 17°F | 70°F 1966 | -27°F 1962 | 12% | 11% |
| Jan 10 | 44°F | 17°F | 68°F 1953 | -34°F 1962 | 12% | 11% |
| Jan 11 | 44°F | 17°F | 74°F 1936 | -30°F 1962 | 12% | 11% |
| Jan 12 | 44°F | 17°F | 67°F 1928 | -34°F 1963 | 12% | 11% |
| Jan 13 | 44°F | 17°F | 71°F 1953 | -34°F 1963 | 12% | 11% |
| Jan 14 | 44°F | 18°F | 74°F 1996 | -26°F 1963 | 12% | 11% |
| Jan 15 | 44°F | 18°F | 66°F 1912 | -18°F 1917 | 12% | 11% |
| Jan 16 | 44°F | 18°F | 67°F 1995 | -38°F 1930 | 12% | 11% |
| Jan 17 | 44°F | 18°F | 67°F 1923 | -35°F 1930 | 12% | 11% |
| Jan 18 | 44°F | 18°F | 63°F 1982 | -30°F 1984 | 12% | 11% |
| Jan 19 | 44°F | 18°F | 69°F 1920 | -27°F 1984 | 12% | 11% |
| Jan 20 | 44°F | 18°F | 71°F 2018 | -30°F 1930 | 12% | 11% |
| Jan 21 | 44°F | 18°F | 71°F 1943 | -28°F 1930 | 12% | 11% |
| Jan 22 | 45°F | 18°F | 69°F 1950 | -24°F 1937 | 12% | 11% |
| Jan 23 | 45°F | 18°F | 66°F 1950 | -20°F 1962 | 13% | 11% |
| Jan 24 | 45°F | 18°F | 68°F 1970 | -19°F 1894 | 13% | 11% |
| Jan 25 | 45°F | 18°F | 70°F 1935 | -15°F 1949 | 13% | 11% |
| Jan 26 | 45°F | 18°F | 68°F 1935 | -20°F 1897 | 13% | 11% |
| Jan 27 | 45°F | 18°F | 75°F 1982 | -16°F 1961 | 13% | 11% |
| Jan 28 | 45°F | 18°F | 71°F 1986 | -30°F 1948 | 13% | 11% |
| Jan 29 | 45°F | 18°F | 67°F 1931 | -27°F 1949 | 13% | 11% |
| Jan 30 | 45°F | 18°F | 68°F 1976 | -14°F 1949 | 13% | 11% |
| Jan 31 | 45°F | 18°F | 70°F 1971 | -18°F 1985 | 14% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:22 AM, sunset 4:44 PM
- January 31
- sunrise 7:09 AM, sunset 5:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053553 (Greeley Unc), public domain. Records: NOAA GHCN-Daily, station USC00055116, 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.