December weather in Bay City, TX
The average temperature in Bay City in December is 55.2°F (45.1°F–65.3°F). Average precipitation: 3.56 inches.
December is a winter month in Bay City, and is cooler than the annual average of 68.8°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 9m. For travel, December is a comfortable month to visit.
Avg High
65.3°F
Avg Low
45.1°F
Precipitation
3.56 in
Daylight
10h 9m
December records in Bay City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.0°F (1967) | 21.9°F (1974) | 1.50 in (2001) |
| December 2 | 82.0°F (1954) | 28.0°F (2025) | 3.42 in (1994) |
| December 3 | 82.0°F (1995) | 30.9°F (1974) | 1.38 in (1945) |
| December 4 | 82.0°F (1954) | 30.9°F (2006) | 1.06 in (1984) |
| December 5 | 88.0°F (1912) | 25.0°F (2009) | 3.13 in (1971) |
| December 6 | 82.0°F (1916) | 21.0°F (1950) | 1.89 in (1969) |
| December 7 | 81.0°F (1956) | 19.0°F (1950) | 1.60 in (1915) |
| December 8 | 82.0°F (1956) | 28.0°F (2005) | 4.80 in (2018) |
| December 9 | 82.0°F (1956) | 27.0°F (1916) | 1.55 in (2002) |
| December 10 | 80.1°F (1961) | 24.1°F (1978) | 3.47 in (1967) |
| December 11 | 82.0°F (1961) | 27.0°F (1966) | 3.52 in (2001) |
| December 12 | 79.0°F (1949) | 21.0°F (1989) | 2.03 in (2003) |
| December 13 | 81.0°F (1956) | 25.0°F (1966) | 1.56 in (1971) |
| December 14 | 79.0°F (1950) | 25.0°F (1985) | 1.88 in (1992) |
| December 15 | 81.0°F (1950) | 19.0°F (1989) | 3.02 in (1986) |
| December 16 | 80.1°F (2011) | 19.0°F (1989) | 6.20 in (1995) |
| December 17 | 81.0°F (1912) | 25.0°F (1972) | 1.14 in (1995) |
| December 18 | 80.1°F (2024) | 21.9°F (1996) | 1.84 in (1949) |
| December 19 | 79.0°F (2021) | 27.0°F (2016) | 1.03 in (1965) |
| December 20 | 82.9°F (1916) | 23.0°F (1973) | 1.36 in (1976) |
| December 21 | 84.0°F (1951) | 18.0°F (1973) | 2.03 in (1991) |
| December 22 | 79.0°F (1949) | 7.0°F (1989) | 2.10 in (2011) |
| December 23 | 82.0°F (2015) | 7.0°F (1989) | 0.96 in (1943) |
| December 24 | 80.1°F (1916) | 17.1°F (1989) | 2.28 in (1962) |
| December 25 | 81.0°F (1964) | 12.9°F (1983) | 1.07 in (2024) |
| December 26 | 84.0°F (1964) | 15.1°F (1983) | 1.69 in (1991) |
| December 27 | 80.1°F (2016) | 21.9°F (1974) | 1.15 in (2024) |
| December 28 | 81.0°F (1916) | 30.0°F (1961) | 1.05 in (1993) |
| December 29 | 82.9°F (2004) | 23.0°F (1983) | 1.27 in (1960) |
| December 30 | 82.9°F (1970) | 18.0°F (1983) | 2.10 in (1911) |
| December 31 | 81.0°F (2024) | 21.0°F (1983) | 1.74 in (1960) |