De Kalb Weather in January
Average highs run from 55°F on January 1 to 57°F on January 31, and lows from 32°F to 32°F. Normal precipitation for the month is 4.13 in over about 7 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
- 56°F
- Average low
- 32°F
- Precipitation
- 4.13 in
- Snowfall
- 1.1 in
- Record high
- 87°FJan 26, 1950
- Record low
- -6°FJan 18, 1930
- Chance of a freeze
- 100%
- Daylight
- 9 h 59 min to 10 h 34 min
- Cloud cover
- 59%
- Humidity
- 83%
- Dew point
- 37°F
- Wind
- 7.6 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 | 55°F | 32°F | 76°F 1952 | 7°F 1928 | 25% | 1% |
| Jan 2 | 55°F | 32°F | 76°F 2023 | 5°F 1979 | 25% | 1% |
| Jan 3 | 55°F | 32°F | 74°F 1955 | 6°F 1979 | 25% | 1% |
| Jan 4 | 55°F | 32°F | 79°F 2009 | 7°F 1912 | 25% | 1% |
| Jan 5 | 55°F | 32°F | 76°F 1927 | 7°F 1912 | 25% | 1% |
| Jan 6 | 55°F | 31°F | 77°F 2008 | 5°F 1912 | 25% | 1% |
| Jan 7 | 55°F | 31°F | 75°F 2008 | 0°F 2017 | 25% | 1% |
| Jan 8 | 55°F | 31°F | 79°F 1969 | -4°F 1912 | 25% | 1% |
| Jan 9 | 55°F | 31°F | 80°F 1957 | 5°F 1944 | 24% | 1% |
| Jan 10 | 55°F | 31°F | 74°F 1949 | 5°F 1977 | 24% | 1% |
| Jan 11 | 55°F | 31°F | 77°F 2008 | 2°F 1982 | 24% | 1% |
| Jan 12 | 55°F | 31°F | 80°F 2023 | -4°F 1912 | 24% | 1% |
| Jan 13 | 55°F | 31°F | 76°F 2017 | -5°F 1912 | 24% | 1% |
| Jan 14 | 55°F | 31°F | 78°F 1932 | 3°F 1963 | 23% | 1% |
| Jan 15 | 55°F | 31°F | 75°F 1996 | 8°F 2024 | 23% | 1% |
| Jan 16 | 55°F | 31°F | 80°F 1914 | 6°F 2024 | 23% | 1% |
| Jan 17 | 56°F | 31°F | 80°F 1952 | 2°F 2018 | 23% | 1% |
| Jan 18 | 56°F | 32°F | 74°F 1952 | -6°F 1930 | 23% | 1% |
| Jan 19 | 56°F | 32°F | 82°F 1952 | -1°F 1940 | 23% | 1% |
| Jan 20 | 56°F | 32°F | 80°F 1914 | 3°F 1940 | 23% | 1% |
| Jan 21 | 56°F | 32°F | 80°F 1909 | 9°F 1935 | 22% | 1% |
| Jan 22 | 56°F | 32°F | 79°F 1943 | 1°F 1930 | 22% | 1% |
| Jan 23 | 56°F | 32°F | 83°F 1943 | 5°F 1930 | 22% | 1% |
| Jan 24 | 56°F | 32°F | 79°F 1909 | 3°F 1963 | 22% | 1% |
| Jan 25 | 56°F | 32°F | 80°F 1950 | 8°F 1940 | 22% | 1% |
| Jan 26 | 56°F | 32°F | 87°F 1950 | 9°F 2026 | 22% | 1% |
| Jan 27 | 56°F | 32°F | 79°F 1975 | 7°F 2026 | 22% | 1% |
| Jan 28 | 56°F | 32°F | 78°F 1975 | 8°F 2026 | 22% | 1% |
| Jan 29 | 57°F | 32°F | 79°F 2015 | 9°F 1966 | 22% | 1% |
| Jan 30 | 57°F | 32°F | 77°F 1975 | 2°F 1966 | 22% | 1% |
| Jan 31 | 57°F | 32°F | 77°F 2002 | 9°F 1949 | 21% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:23 AM, sunset 5:22 PM
- January 31
- sunrise 7:15 AM, sunset 5:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412352 (Dekalb), public domain. Records: NOAA GHCN-Daily, station USC00344451, 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.