Mercer Weather in January
Average highs run from 21°F on January 1 to 21°F on January 31, and lows from 3°F to -1°F. Normal precipitation for the month is 1.21 in over about 10 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
- 20°F
- Average low
- 0°F
- Precipitation
- 1.21 in
- Snowfall
- 16.7 in
- Record high
- 57°FJan 24, 1942
- Record low
- -50°FJan 28, 1915
- Chance of a freeze
- 100%
- Daylight
- 8 h 42 min to 9 h 40 min
- Cloud cover
- 72%
- Humidity
- 96%
- Dew point
- 8°F
- Wind
- 10.1 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 | 21°F | 3°F | 36°F 1950 | -36°F 1947 | 32% | 26% |
| Jan 2 | 21°F | 3°F | 42°F 1926 | -30°F 1979 | 32% | 26% |
| Jan 3 | 21°F | 3°F | 37°F 1962 | -30°F 1994 | 32% | 26% |
| Jan 4 | 21°F | 3°F | 39°F 2007 | -32°F 1924 | 32% | 26% |
| Jan 5 | 21°F | 2°F | 40°F 1930 | -33°F 1959 | 31% | 26% |
| Jan 6 | 20°F | 2°F | 40°F 1933 | -27°F 1988 | 31% | 27% |
| Jan 7 | 20°F | 2°F | 45°F 2003 | -33°F 1968 | 31% | 27% |
| Jan 8 | 20°F | 2°F | 47°F 2003 | -32°F 1968 | 31% | 27% |
| Jan 9 | 20°F | 1°F | 45°F 1990 | -39°F 1977 | 31% | 27% |
| Jan 10 | 20°F | 1°F | 45°F 1990 | -33°F 1937 | 31% | 27% |
| Jan 11 | 20°F | 1°F | 45°F 1928 | -36°F 1979 | 31% | 27% |
| Jan 12 | 20°F | 1°F | 42°F 1987 | -27°F 1977 | 31% | 27% |
| Jan 13 | 20°F | 0°F | 45°F 1987 | -27°F 1954 | 31% | 27% |
| Jan 14 | 20°F | 0°F | 42°F 1942 | -40°F 1916 | 31% | 27% |
| Jan 15 | 20°F | 0°F | 39°F 1944 | -40°F 1972 | 31% | 27% |
| Jan 16 | 20°F | 0°F | 45°F 1973 | -38°F 1929 | 31% | 27% |
| Jan 17 | 20°F | 0°F | 43°F 1973 | -39°F 1982 | 31% | 26% |
| Jan 18 | 20°F | 0°F | 44°F 1973 | -36°F 1994 | 31% | 26% |
| Jan 19 | 20°F | 0°F | 44°F 1947 | -39°F 1996 | 31% | 26% |
| Jan 20 | 20°F | -1°F | 44°F 1947 | -39°F 1996 | 31% | 26% |
| Jan 21 | 20°F | -1°F | 42°F 1942 | -35°F 1963 | 31% | 26% |
| Jan 22 | 20°F | -1°F | 46°F 2002 | -32°F 1937 | 31% | 26% |
| Jan 23 | 20°F | -1°F | 50°F 1942 | -37°F 1935 | 30% | 26% |
| Jan 24 | 20°F | -1°F | 57°F 1942 | -40°F 1935 | 30% | 26% |
| Jan 25 | 20°F | -1°F | 49°F 1944 | -35°F 1997 | 30% | 25% |
| Jan 26 | 20°F | -1°F | 49°F 1944 | -38°F 1917 | 30% | 25% |
| Jan 27 | 20°F | -1°F | 45°F 1919 | -40°F 1950 | 30% | 25% |
| Jan 28 | 20°F | -1°F | 46°F 2006 | -50°F 1915 | 30% | 25% |
| Jan 29 | 20°F | -1°F | 42°F 2006 | -46°F 1951 | 29% | 25% |
| Jan 30 | 20°F | -1°F | 44°F 1999 | -47°F 1950 | 29% | 25% |
| Jan 31 | 21°F | -1°F | 45°F 1952 | -44°F 1996 | 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 7:43 AM, sunset 4:25 PM
- January 31
- sunrise 7:24 AM, sunset 5:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00477092 (Rest Lake), public domain. Records: NOAA GHCN-Daily, station USC00477092, 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.