Onalaska Weather in January
Average highs run from 44°F on January 1 to 47°F on January 31, and lows from 33°F to 33°F. Normal precipitation for the month is 8.06 in over about 20 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
- 45°F
- Average low
- 33°F
- Precipitation
- 8.06 in
- Snowfall
- 1.1 in
- Record high
- 68°FJan 31, 1935
- Record low
- -4°FJan 21, 1930
- Chance of a freeze
- 99%
- Daylight
- 8 h 39 min to 9 h 38 min
- Cloud cover
- 76%
- Humidity
- 94%
- Dew point
- 34°F
- Wind
- 5.4 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 | 44°F | 33°F | 65°F 1918 | 1°F 1979 | 64% | 2% |
| Jan 2 | 44°F | 33°F | 60°F 1914 | 15°F 1910 | 64% | 2% |
| Jan 3 | 44°F | 33°F | 57°F 1984 | 8°F 1950 | 64% | 2% |
| Jan 4 | 44°F | 33°F | 65°F 1914 | 11°F 1950 | 64% | 2% |
| Jan 5 | 44°F | 33°F | 57°F 1918 | 10°F 1979 | 64% | 2% |
| Jan 6 | 44°F | 33°F | 62°F 2002 | 9°F 1974 | 64% | 2% |
| Jan 7 | 44°F | 33°F | 60°F 2002 | 8°F 1937 | 64% | 2% |
| Jan 8 | 44°F | 33°F | 60°F 1934 | 9°F 1937 | 64% | 2% |
| Jan 9 | 44°F | 33°F | 62°F 1941 | 4°F 1909 | 64% | 2% |
| Jan 10 | 44°F | 33°F | 60°F 1941 | 7°F 1930 | 64% | 2% |
| Jan 11 | 45°F | 33°F | 66°F 1914 | 6°F 1930 | 64% | 2% |
| Jan 12 | 45°F | 33°F | 59°F 2022 | 4°F 1930 | 64% | 2% |
| Jan 13 | 45°F | 33°F | 58°F 1941 | 5°F 1930 | 63% | 2% |
| Jan 14 | 45°F | 33°F | 61°F 1943 | 7°F 1930 | 63% | 2% |
| Jan 15 | 45°F | 33°F | 58°F 1958 | 3°F 1907 | 63% | 2% |
| Jan 16 | 45°F | 33°F | 58°F 1920 | 7°F 1916 | 63% | 2% |
| Jan 17 | 45°F | 33°F | 59°F 1946 | 0°F 1930 | 63% | 2% |
| Jan 18 | 45°F | 33°F | 66°F 1914 | 3°F 1922 | 63% | 2% |
| Jan 19 | 45°F | 33°F | 62°F 1944 | 7°F 1916 | 63% | 2% |
| Jan 20 | 45°F | 33°F | 62°F 2005 | -3°F 1930 | 63% | 2% |
| Jan 21 | 45°F | 33°F | 66°F 2005 | -4°F 1930 | 63% | 2% |
| Jan 22 | 46°F | 33°F | 61°F 1931 | 4°F 1943 | 63% | 2% |
| Jan 23 | 46°F | 33°F | 59°F 1968 | 5°F 1949 | 62% | 2% |
| Jan 24 | 46°F | 33°F | 60°F 1935 | 3°F 1949 | 62% | 2% |
| Jan 25 | 46°F | 33°F | 60°F 1935 | 5°F 1902 | 62% | 2% |
| Jan 26 | 46°F | 33°F | 63°F 1935 | 5°F 1957 | 62% | 2% |
| Jan 27 | 46°F | 33°F | 62°F 1941 | 2°F 1972 | 62% | 2% |
| Jan 28 | 46°F | 33°F | 67°F 1931 | 7°F 1972 | 62% | 2% |
| Jan 29 | 46°F | 33°F | 61°F 1920 | 5°F 1980 | 62% | 2% |
| Jan 30 | 47°F | 33°F | 61°F 1995 | 10°F 1980 | 61% | 2% |
| Jan 31 | 47°F | 33°F | 68°F 1935 | 2°F 1950 | 61% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:55 AM, sunset 4:34 PM
- January 31
- sunrise 7:36 AM, sunset 5:14 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00455110 (Mayfield Pwr Plt), public domain. Records: NOAA GHCN-Daily, station USC00451276, 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.