January weather in Dallas, TX
The average temperature in Dallas in January is 47.8°F (37.9°F–57.7°F). Average precipitation: 2.59 inches.
January is a winter month in Dallas, and is cooler than the annual average of 68°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 4m. For travel, January is cool.
Avg High
57.7°F
Avg Low
37.9°F
Precipitation
2.59 in
Snow
0.1 in
January records in Dallas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 82.0°F (2006) | 15.1°F (1979) | 0.84 in (1944) |
| January 2 | 78.1°F (2023) | 10.9°F (1979) | 1.47 in (2005) |
| January 3 | 82.9°F (2006) | 12.9°F (1947) | 2.01 in (2005) |
| January 4 | 78.1°F (1997) | 7.0°F (1947) | 0.74 in (2007) |
| January 5 | 79.0°F (1989) | 10.0°F (1942) | 1.68 in (1960) |
| January 6 | 79.0°F (1982) | 15.3°F (2014) | 1.12 in (2016) |
| January 7 | 82.0°F (2006) | 12.9°F (1968) | 1.88 in (1961) |
| January 8 | 88.0°F (1969) | 12.0°F (1942) | 1.16 in (2013) |
| January 9 | 82.9°F (1957) | 12.9°F (1962) | 1.75 in (2025) |
| January 10 | 82.0°F (2023) | 8.1°F (1962) | 1.10 in (2020) |
| January 11 | 82.0°F (2023) | 7.0°F (1982) | 0.71 in (2015) |
| January 12 | 80.1°F (2000) | 10.9°F (1963) | 1.77 in (2007) |
| January 13 | 78.1°F (1996) | 12.0°F (1963) | 0.92 in (2007) |
| January 14 | 77.0°F (1945) | 10.9°F (1964) | 0.57 in (1946) |
| January 15 | 80.1°F (2020) | 10.2°F (2024) | 1.27 in (2017) |
| January 16 | 79.0°F (1943) | 12.2°F (2024) | 4.01 in (2020) |
| January 17 | 80.1°F (1952) | 14.0°F (1982) | 0.63 in (1996) |
| January 18 | 80.1°F (1974) | 7.0°F (1940) | 1.36 in (1990) |
| January 19 | 82.9°F (1952) | 5.0°F (1943) | 1.02 in (1990) |
| January 20 | 82.9°F (1972) | 10.0°F (1943) | 0.66 in (2007) |
| January 21 | 79.0°F (1952) | 10.9°F (1984) | 1.21 in (1980) |
| January 22 | 84.9°F (1943) | 5.0°F (1940) | 1.12 in (2015) |
| January 23 | 88.0°F (1943) | 0.0°F (1940) | 0.57 in (2026) |
| January 24 | 84.0°F (1943) | 8.1°F (1963) | 5.14 in (1949) |
| January 25 | 82.9°F (1952) | 12.0°F (1940) | 3.06 in (2012) |
| January 26 | 80.1°F (1953) | 14.0°F (2026) | 0.90 in (1949) |
| January 27 | 82.0°F (1975) | 12.0°F (1963) | 0.92 in (2000) |
| January 28 | 84.0°F (1970) | 12.9°F (1948) | 2.07 in (2010) |
| January 29 | 80.1°F (2013) | 10.9°F (1966) | 2.40 in (2025) |
| January 30 | 78.1°F (1975) | 7.0°F (1949) | 1.97 in (1982) |
| January 31 | 80.1°F (1974) | 1.9°F (1949) | 2.16 in (2002) |