Decatur Weather in January
Average highs run from 53°F on January 1 to 54°F on January 31, and lows from 32°F to 31°F. Normal precipitation for the month is 5.44 in.
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
- 52°F
- Average low
- 31°F
- Precipitation
- 5.44 in
- Snowfall
- 0.2 in
- Record high
- 78°FJan 1, 2022
- Record low
- 2°FJan 14, 2011
- Chance of a freeze
- 100%
- Daylight
- 9 h 53 min to 10 h 30 min
- Cloud cover
- 63%
- Humidity
- 85%
- Dew point
- 35°F
- Wind
- 6.9 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 | 53°F | 32°F | 78°F 2022 | 11°F 2018 | 1% | |
| Jan 2 | 52°F | 32°F | 76°F 2006 | 6°F 2018 | 1% | |
| Jan 3 | 52°F | 32°F | 73°F 2023 | 11°F 2008 | 1% | |
| Jan 4 | 52°F | 32°F | 73°F 2004 | 14°F 2018 | 1% | |
| Jan 5 | 52°F | 32°F | 66°F 2004 | 8°F 2018 | 1% | |
| Jan 6 | 52°F | 32°F | 68°F 2008 | 7°F 2014 | 1% | |
| Jan 7 | 52°F | 32°F | 71°F 2008 | 4°F 2014 | 1% | |
| Jan 8 | 52°F | 31°F | 69°F 2008 | 6°F 2015 | 1% | |
| Jan 9 | 52°F | 31°F | 67°F 2000 | 12°F 2010 | 1% | |
| Jan 10 | 52°F | 31°F | 70°F 2006 | 12°F 2010 | 1% | |
| Jan 11 | 52°F | 31°F | 72°F 2020 | 5°F 1997 | 1% | |
| Jan 12 | 52°F | 31°F | 74°F 2023 | 13°F 1997 | 1% | |
| Jan 13 | 52°F | 31°F | 71°F 2007 | 8°F 2011 | 1% | |
| Jan 14 | 52°F | 31°F | 75°F 2017 | 2°F 2011 | 1% | |
| Jan 15 | 52°F | 31°F | 69°F 2017 | 13°F 2011 | 1% | |
| Jan 16 | 52°F | 31°F | 71°F 2017 | 9°F 2009 | 1% | |
| Jan 17 | 52°F | 31°F | 73°F 2023 | 6°F 2018 | 1% | |
| Jan 18 | 52°F | 31°F | 73°F 2023 | 8°F 2018 | 1% | |
| Jan 19 | 52°F | 31°F | 71°F 2023 | 10°F 2018 | 1% | |
| Jan 20 | 52°F | 31°F | 70°F 2017 | 13°F 2008 | 1% | |
| Jan 21 | 52°F | 31°F | 73°F 1999 | 9°F 2024 | 1% | |
| Jan 22 | 52°F | 31°F | 70°F 1999 | 9°F 2025 | 1% | |
| Jan 23 | 53°F | 31°F | 72°F 2002 | 9°F 2003 | 1% | |
| Jan 24 | 53°F | 31°F | 68°F 2002 | 5°F 2003 | 1% | |
| Jan 25 | 53°F | 31°F | 71°F 2021 | 17°F 2008 | 1% | |
| Jan 26 | 53°F | 31°F | 70°F 1999 | 16°F 2026 | 1% | |
| Jan 27 | 53°F | 31°F | 69°F 1999 | 12°F 2026 | 1% | |
| Jan 28 | 53°F | 31°F | 65°F 1999 | 8°F 2014 | 1% | |
| Jan 29 | 53°F | 31°F | 72°F 2002 | 3°F 2014 | 1% | |
| Jan 30 | 53°F | 31°F | 75°F 2002 | 3°F 2014 | 1% | |
| Jan 31 | 54°F | 31°F | 75°F 2002 | 14°F 2007 | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 6:55 AM, sunset 4:48 PM
- January 31
- sunrise 6:47 AM, sunset 5:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00012209 (Decatur 4SE), public domain. Records: NOAA GHCN-Daily, station USW00053852, 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.