Mandan Weather in January
Average highs run from 23°F on January 1 to 24°F on January 31, and lows from 4°F to 3°F. Normal precipitation for the month is 0.38 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
- 23°F
- Average low
- 3°F
- Precipitation
- 0.38 in
- Snowfall
- 8.9 in
- Record high
- 63°FJan 24, 1981
- Record low
- -43°FJan 13, 1916
- Chance of a freeze
- 100%
- Daylight
- 8 h 37 min to 9 h 37 min
- Cloud cover
- 64%
- Humidity
- 86%
- Dew point
- 10°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 | 23°F | 4°F | 55°F 1964 | -36°F 1919 | 17% | 33% |
| Jan 2 | 23°F | 4°F | 55°F 1998 | -35°F 1928 | 17% | 33% |
| Jan 3 | 23°F | 4°F | 48°F 1962 | -33°F 1919 | 16% | 33% |
| Jan 4 | 23°F | 4°F | 55°F 2012 | -33°F 1968 | 16% | 33% |
| Jan 5 | 22°F | 3°F | 55°F 2012 | -31°F 1968 | 16% | 33% |
| Jan 6 | 22°F | 3°F | 59°F 2012 | -29°F 1988 | 16% | 33% |
| Jan 7 | 22°F | 3°F | 50°F 1914 | -27°F 1942 | 16% | 33% |
| Jan 8 | 22°F | 3°F | 54°F 2002 | -27°F 1977 | 16% | 33% |
| Jan 9 | 22°F | 3°F | 62°F 2002 | -32°F 1977 | 16% | 33% |
| Jan 10 | 22°F | 3°F | 53°F 2012 | -31°F 1930 | 16% | 33% |
| Jan 11 | 22°F | 3°F | 55°F 2012 | -30°F 1974 | 16% | 33% |
| Jan 12 | 22°F | 3°F | 51°F 1992 | -39°F 1916 | 16% | 33% |
| Jan 13 | 22°F | 3°F | 53°F 1987 | -43°F 1916 | 15% | 32% |
| Jan 14 | 22°F | 2°F | 51°F 1942 | -43°F 1916 | 15% | 32% |
| Jan 15 | 22°F | 2°F | 55°F 1921 | -38°F 2009 | 15% | 32% |
| Jan 16 | 22°F | 2°F | 50°F 1942 | -39°F 2009 | 15% | 32% |
| Jan 17 | 22°F | 2°F | 52°F 1926 | -33°F 1943 | 15% | 32% |
| Jan 18 | 22°F | 2°F | 47°F 1942 | -37°F 1950 | 15% | 32% |
| Jan 19 | 22°F | 2°F | 50°F 1919 | -36°F 1943 | 15% | 32% |
| Jan 20 | 22°F | 2°F | 51°F 1944 | -35°F 1996 | 14% | 32% |
| Jan 21 | 22°F | 2°F | 53°F 1964 | -34°F 1954 | 14% | 32% |
| Jan 22 | 22°F | 2°F | 54°F 1942 | -32°F 1966 | 14% | 32% |
| Jan 23 | 23°F | 2°F | 50°F 1919 | -35°F 1935 | 14% | 31% |
| Jan 24 | 23°F | 2°F | 63°F 1981 | -33°F 1935 | 14% | 31% |
| Jan 25 | 23°F | 2°F | 50°F 1968 | -31°F 1929 | 14% | 31% |
| Jan 26 | 23°F | 2°F | 53°F 1942 | -36°F 1950 | 14% | 31% |
| Jan 27 | 23°F | 3°F | 50°F 2015 | -31°F 1950 | 14% | 31% |
| Jan 28 | 23°F | 3°F | 56°F 2015 | -31°F 1916 | 14% | 31% |
| Jan 29 | 23°F | 3°F | 57°F 1931 | -34°F 1966 | 13% | 31% |
| Jan 30 | 23°F | 3°F | 54°F 2024 | -33°F 1916 | 13% | 30% |
| Jan 31 | 24°F | 3°F | 56°F 2024 | -36°F 1959 | 13% | 30% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 8:29 AM, sunset 5:06 PM
- January 31
- sunrise 8:09 AM, sunset 5:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00325479 (Mandan Exp Stn), public domain. Records: NOAA GHCN-Daily, station USC00325479, 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.