January weather in Jefferson, TX
The average temperature in Jefferson in January is 45.5°F (34.2°F–56.9°F). Average precipitation: 4.08 inches. Average snowfall is 0.5 inches.
January is a winter month in Jefferson, and is cooler than the annual average of 64.7°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 4m. For travel, January is cool.
Avg High
56.9°F
Avg Low
34.2°F
Precipitation
4.08 in
Snow
0.5 in
January records in Jefferson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 77.0°F (2022) | 15.1°F (1991) | 1.77 in (2021) |
| January 2 | 78.1°F (2006) | 15.1°F (2001) | 2.55 in (1976) |
| January 3 | 82.0°F (2009) | 12.9°F (2001) | 1.48 in (1965) |
| January 4 | 75.9°F (1997) | 14.0°F (1999) | 1.82 in (1934) |
| January 5 | 77.0°F (2006) | 15.1°F (1999) | 4.12 in (1932) |
| January 6 | 77.0°F (2008) | 14.0°F (2014) | 2.12 in (1998) |
| January 7 | 79.0°F (2026) | 12.0°F (2014) | 3.39 in (2021) |
| January 8 | 77.0°F (2026) | 9.0°F (1996) | 2.44 in (1933) |
| January 9 | 75.9°F (1999) | 9.0°F (1996) | 1.75 in (2012) |
| January 10 | 73.9°F (1989) | 12.0°F (2010) | 2.00 in (1965) |
| January 11 | 78.1°F (2017) | 12.9°F (2010) | 1.39 in (2020) |
| January 12 | 80.1°F (2023) | 16.0°F (2010) | 2.60 in (2015) |
| January 13 | 77.0°F (2000) | 15.1°F (1990) | 1.24 in (1927) |
| January 14 | 79.0°F (2017) | 19.0°F (2011) | 2.61 in (1950) |
| January 15 | 75.0°F (2017) | 18.0°F (2024) | 0.88 in (1937) |
| January 16 | 73.9°F (2020) | 12.0°F (2024) | 2.52 in (1949) |
| January 17 | 75.0°F (2023) | 7.0°F (2018) | 1.94 in (1926) |
| January 18 | 78.1°F (1999) | 7.0°F (2018) | 4.02 in (1990) |
| January 19 | 77.0°F (2000) | 10.0°F (2018) | 2.90 in (1990) |
| January 20 | 75.9°F (1906) | 12.9°F (1985) | 1.78 in (1958) |
| January 21 | 80.1°F (1986) | 9.0°F (1985) | 2.27 in (1906) |
| January 22 | 79.0°F (1986) | 10.9°F (1985) | 2.00 in (1923) |
| January 23 | 77.0°F (2009) | 18.0°F (1906) | 1.90 in (2024) |
| January 24 | 75.0°F (1993) | 21.0°F (1906) | 3.84 in (2024) |
| January 25 | 78.1°F (2017) | 19.9°F (1905) | 2.13 in (1976) |
| January 26 | 75.0°F (1993) | 12.9°F (1904) | 1.47 in (1943) |
| January 27 | 75.0°F (1999) | 14.0°F (2026) | 1.61 in (1995) |
| January 28 | 73.9°F (1995) | 16.0°F (2026) | 1.65 in (2000) |
| January 29 | 79.0°F (2015) | 16.0°F (2014) | 3.11 in (1999) |
| January 30 | 75.9°F (2011) | 19.9°F (1997) | 1.45 in (2025) |
| January 31 | 75.9°F (2024) | 19.9°F (2000) | 1.92 in (1983) |