Williamson County Weather in January
Average highs run from 50°F on January 1 to 50°F on January 31, and lows from 30°F to 29°F. Normal precipitation for the month is 4.25 in over about 12 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
- 49°F
- Average low
- 29°F
- Precipitation
- 4.25 in
- Snowfall
- 0.9 in
- Record high
- 78°FJan 1, 2022
- Record low
- -17°FJan 21, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 47 min to 10 h 25 min
- Cloud cover
- 68%
- Humidity
- 85%
- Dew point
- 32°F
- Wind
- 8.5 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 | 50°F | 30°F | 78°F 2022 | 0°F 1977 | 40% | 1% |
| Jan 2 | 49°F | 30°F | 75°F 2006 | 5°F 1977 | 40% | 1% |
| Jan 3 | 49°F | 29°F | 73°F 2004 | 8°F 1979 | 40% | 1% |
| Jan 4 | 49°F | 29°F | 75°F 2004 | 7°F 1959 | 40% | 1% |
| Jan 5 | 49°F | 29°F | 70°F 1955 | 2°F 1959 | 40% | 1% |
| Jan 6 | 49°F | 29°F | 69°F 1998 | 4°F 2014 | 39% | 1% |
| Jan 7 | 49°F | 29°F | 71°F 2008 | 2°F 1970 | 39% | 2% |
| Jan 8 | 49°F | 29°F | 72°F 2026 | 0°F 1970 | 39% | 2% |
| Jan 9 | 49°F | 29°F | 74°F 2026 | 0°F 1970 | 39% | 2% |
| Jan 10 | 49°F | 29°F | 75°F 1949 | -4°F 1970 | 39% | 2% |
| Jan 11 | 49°F | 29°F | 71°F 2013 | -3°F 1982 | 39% | 2% |
| Jan 12 | 49°F | 29°F | 71°F 2017 | 0°F 1962 | 39% | 2% |
| Jan 13 | 49°F | 28°F | 75°F 1960 | 8°F 1973 | 39% | 2% |
| Jan 14 | 49°F | 28°F | 70°F 1952 | 9°F 1963 | 39% | 2% |
| Jan 15 | 49°F | 28°F | 72°F 1952 | 2°F 1972 | 39% | 2% |
| Jan 16 | 49°F | 28°F | 72°F 1990 | -6°F 1982 | 39% | 2% |
| Jan 17 | 49°F | 28°F | 70°F 1974 | -11°F 1982 | 38% | 2% |
| Jan 18 | 49°F | 28°F | 71°F 1949 | -1°F 1948 | 38% | 2% |
| Jan 19 | 49°F | 28°F | 72°F 1974 | -1°F 1984 | 38% | 2% |
| Jan 20 | 49°F | 28°F | 69°F 2017 | -16°F 1985 | 38% | 2% |
| Jan 21 | 49°F | 28°F | 74°F 1959 | -17°F 1985 | 38% | 2% |
| Jan 22 | 49°F | 28°F | 71°F 1999 | -1°F 1984 | 38% | 2% |
| Jan 23 | 49°F | 28°F | 72°F 1967 | -13°F 1963 | 38% | 2% |
| Jan 24 | 49°F | 28°F | 78°F 1972 | -15°F 1963 | 38% | 1% |
| Jan 25 | 49°F | 28°F | 78°F 1950 | -6°F 1963 | 38% | 1% |
| Jan 26 | 49°F | 28°F | 73°F 1962 | 3°F 1948 | 38% | 1% |
| Jan 27 | 50°F | 28°F | 70°F 1949 | 1°F 1963 | 37% | 1% |
| Jan 28 | 50°F | 28°F | 75°F 1975 | -4°F 1963 | 37% | 1% |
| Jan 29 | 50°F | 29°F | 76°F 1975 | -1°F 1966 | 37% | 1% |
| Jan 30 | 50°F | 29°F | 73°F 2013 | -6°F 1966 | 37% | 1% |
| Jan 31 | 50°F | 29°F | 73°F 2002 | -2°F 1966 | 37% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 6:58 AM, sunset 4:45 PM
- January 31
- sunrise 6:49 AM, sunset 5:14 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00403280 (Franklin Sewage Plt), public domain. Records: NOAA GHCN-Daily, station USW00013897, 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.