December weather in Sour Lake, TX
The average temperature in Sour Lake in December is 54.2°F (44.3°F–64.0°F). Average precipitation: 5.04 inches.
December is a winter month in Sour Lake, and is cooler than the annual average of 68.9°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 4m. For travel, December is a wet month.
Avg High
64.0°F
Avg Low
44.3°F
Precipitation
5.04 in
Daylight
10h 4m
December records in Sour Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 79.0°F (1950) | 28.0°F (1979) | 3.23 in (2023) |
| December 2 | 82.9°F (1954) | 26.1°F (1960) | 1.84 in (2025) |
| December 3 | 82.0°F (2012) | 30.0°F (1985) | 4.07 in (1994) |
| December 4 | 88.0°F (1954) | 30.0°F (1990) | 6.07 in (2016) |
| December 5 | 82.0°F (1998) | 26.1°F (2006) | 2.88 in (2011) |
| December 6 | 82.0°F (1998) | 24.1°F (1950) | 0.62 in (2016) |
| December 7 | 82.0°F (1995) | 12.0°F (1950) | 2.97 in (1987) |
| December 8 | 82.0°F (1956) | 27.0°F (2006) | 5.35 in (2018) |
| December 9 | 84.0°F (1952) | 24.1°F (1956) | 1.79 in (1992) |
| December 10 | 82.0°F (2021) | 23.0°F (1978) | 1.52 in (2019) |
| December 11 | 80.1°F (1993) | 25.0°F (1995) | 2.74 in (1983) |
| December 12 | 81.0°F (1948) | 21.9°F (1957) | 1.84 in (1998) |
| December 13 | 84.9°F (1952) | 21.0°F (1962) | 6.14 in (1991) |
| December 14 | 79.0°F (2016) | 23.0°F (1962) | 3.95 in (2015) |
| December 15 | 80.1°F (1948) | 23.0°F (1952) | 3.10 in (1992) |
| December 16 | 81.0°F (1995) | 21.9°F (1989) | 2.15 in (1986) |
| December 17 | 80.1°F (2021) | 27.0°F (1989) | 2.36 in (2019) |
| December 18 | 80.1°F (1984) | 24.1°F (1979) | 4.94 in (1995) |
| December 19 | 84.0°F (1952) | 19.9°F (1996) | 1.98 in (2021) |
| December 20 | 79.0°F (1951) | 25.0°F (1996) | 2.17 in (2020) |
| December 21 | 81.0°F (1948) | 28.9°F (1951) | 1.93 in (1997) |
| December 22 | 81.0°F (1948) | 18.0°F (1989) | 2.70 in (1956) |
| December 23 | 78.1°F (2017) | 8.1°F (1989) | 4.91 in (1986) |
| December 24 | 80.1°F (1948) | 9.0°F (1989) | 1.10 in (2023) |
| December 25 | 80.1°F (1984) | 10.9°F (1983) | 0.87 in (2023) |
| December 26 | 81.0°F (2015) | 12.9°F (1983) | 3.46 in (1982) |
| December 27 | 81.0°F (2015) | 15.1°F (1983) | 3.48 in (1982) |
| December 28 | 82.0°F (2016) | 28.0°F (1961) | 1.65 in (1960) |
| December 29 | 82.0°F (2025) | 23.0°F (1961) | 1.75 in (1960) |
| December 30 | 80.1°F (1984) | 19.0°F (1983) | 3.22 in (2006) |
| December 31 | 82.0°F (2021) | 18.0°F (1983) | 2.62 in (1981) |