Willmar Weather in January
Average highs run from 22°F on January 1 to 21°F on January 31, and lows from 5°F to 2°F. Normal precipitation for the month is 0.68 in over about 6 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
- 21°F
- Average low
- 3°F
- Precipitation
- 0.68 in
- Snowfall
- 9.2 in
- Record high
- 62°FJan 24, 1981
- Record low
- -41°FJan 9, 1977
- Chance of a freeze
- 100%
- Daylight
- 8 h 50 min to 9 h 46 min
- Cloud cover
- 61%
- Humidity
- 88%
- Dew point
- 9°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 | 22°F | 5°F | 43°F 1964 | -30°F 1974 | 21% | 19% |
| Jan 2 | 22°F | 5°F | 41°F 1931 | -28°F 1928 | 21% | 19% |
| Jan 3 | 21°F | 5°F | 43°F 1962 | -28°F 1919 | 21% | 19% |
| Jan 4 | 21°F | 5°F | 42°F 1964 | -27°F 1924 | 21% | 19% |
| Jan 5 | 21°F | 4°F | 41°F 1902 | -33°F 1924 | 21% | 19% |
| Jan 6 | 21°F | 4°F | 50°F 1900 | -25°F 1988 | 20% | 19% |
| Jan 7 | 21°F | 4°F | 43°F 1902 | -28°F 1894 | 20% | 19% |
| Jan 8 | 21°F | 4°F | 58°F 1963 | -29°F 1894 | 20% | 19% |
| Jan 9 | 20°F | 4°F | 52°F 2003 | -41°F 1977 | 20% | 19% |
| Jan 10 | 20°F | 4°F | 45°F 1896 | -30°F 1982 | 20% | 19% |
| Jan 11 | 20°F | 3°F | 49°F 1990 | -35°F 1977 | 20% | 19% |
| Jan 12 | 20°F | 3°F | 50°F 1961 | -34°F 1977 | 20% | 19% |
| Jan 13 | 20°F | 3°F | 48°F 1987 | -26°F 1929 | 20% | 19% |
| Jan 14 | 20°F | 3°F | 44°F 1987 | -28°F 1982 | 20% | 19% |
| Jan 15 | 20°F | 3°F | 42°F 1942 | -31°F 1994 | 20% | 19% |
| Jan 16 | 20°F | 3°F | 49°F 1961 | -35°F 1977 | 20% | 19% |
| Jan 17 | 20°F | 2°F | 42°F 1964 | -32°F 1943 | 19% | 18% |
| Jan 18 | 20°F | 2°F | 45°F 1947 | -31°F 1970 | 19% | 18% |
| Jan 19 | 20°F | 2°F | 51°F 1900 | -34°F 1943 | 19% | 18% |
| Jan 20 | 20°F | 2°F | 56°F 1944 | -29°F 1936 | 19% | 18% |
| Jan 21 | 20°F | 2°F | 48°F 1944 | -33°F 1970 | 19% | 18% |
| Jan 22 | 20°F | 2°F | 54°F 1900 | -36°F 1936 | 19% | 18% |
| Jan 23 | 20°F | 2°F | 52°F 1942 | -33°F 1935 | 19% | 18% |
| Jan 24 | 20°F | 2°F | 62°F 1981 | -37°F 1936 | 19% | 18% |
| Jan 25 | 20°F | 2°F | 59°F 1944 | -27°F 1894 | 19% | 18% |
| Jan 26 | 21°F | 2°F | 50°F 1931 | -27°F 1897 | 19% | 18% |
| Jan 27 | 21°F | 2°F | 44°F 1947 | -26°F 1897 | 19% | 18% |
| Jan 28 | 21°F | 2°F | 46°F 1989 | -26°F 1966 | 18% | 17% |
| Jan 29 | 21°F | 2°F | 55°F 1931 | -32°F 1951 | 18% | 17% |
| Jan 30 | 21°F | 2°F | 47°F 1964 | -28°F 1951 | 18% | 17% |
| Jan 31 | 21°F | 2°F | 47°F 1989 | -30°F 1918 | 18% | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:59 AM, sunset 4:49 PM
- January 31
- sunrise 7:41 AM, sunset 5:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00219004 (Willmar Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00219004, 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.