December weather in San Angelo, TX
The average temperature in San Angelo in December is 48.4°F (34.9°F–62.0°F). Average precipitation: 0.89 inches.
December is a winter month in San Angelo, and is cooler than the annual average of 66.7°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 58m. For travel, December is cool.
Avg High
62.0°F
Avg Low
34.9°F
Precipitation
0.89 in
Daylight
9h 58m
December records in San Angelo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (2012) | 18.0°F (1974) | 0.94 in (2009) |
| December 2 | 84.9°F (2021) | 19.9°F (1915) | 2.20 in (1924) |
| December 3 | 88.0°F (2005) | 15.1°F (1929) | 0.95 in (2002) |
| December 4 | 91.0°F (1954) | 12.9°F (2006) | 0.93 in (1943) |
| December 5 | 84.0°F (2019) | 19.9°F (1950) | 0.57 in (1969) |
| December 6 | 81.0°F (1966) | 10.9°F (1950) | 2.10 in (1926) |
| December 7 | 82.9°F (1966) | 19.2°F (2013) | 2.03 in (1926) |
| December 8 | 84.9°F (1977) | 12.0°F (2005) | 1.89 in (1912) |
| December 9 | 82.9°F (2021) | 10.9°F (2005) | 3.71 in (1911) |
| December 10 | 86.0°F (2021) | 14.0°F (1917) | 0.82 in (2022) |
| December 11 | 87.1°F (2015) | 17.1°F (1919) | 1.48 in (1946) |
| December 12 | 82.9°F (1939) | 10.9°F (1966) | 0.46 in (2015) |
| December 13 | 84.9°F (1995) | 12.0°F (1917) | 0.46 in (1992) |
| December 14 | 82.9°F (2019) | 10.0°F (1985) | 0.63 in (1967) |
| December 15 | 89.1°F (2019) | 14.0°F (1958) | 1.20 in (2023) |
| December 16 | 84.0°F (1908) | 10.0°F (1972) | 0.82 in (1959) |
| December 17 | 84.0°F (2016) | 18.0°F (1926) | 0.58 in (1937) |
| December 18 | 82.9°F (2012) | 14.0°F (1983) | 0.52 in (1952) |
| December 19 | 80.1°F (1924) | 10.9°F (1924) | 1.52 in (1991) |
| December 20 | 87.1°F (2025) | 6.1°F (1909) | 0.59 in (1997) |
| December 21 | 86.0°F (2010) | 10.0°F (1983) | 1.00 in (1942) |
| December 22 | 81.0°F (1970) | 1.9°F (1989) | 1.09 in (1986) |
| December 23 | 84.9°F (2021) | -4.0°F (1989) | 0.95 in (1932) |
| December 24 | 87.1°F (1955) | 6.1°F (1983) | 0.99 in (2010) |
| December 25 | 86.0°F (2021) | 5.0°F (1983) | 0.80 in (1974) |
| December 26 | 89.1°F (2021) | 16.0°F (1983) | 0.41 in (2015) |
| December 27 | 84.9°F (2025) | 17.1°F (2007) | 1.32 in (2015) |
| December 28 | 84.0°F (2016) | 12.9°F (1983) | 1.04 in (1979) |
| December 29 | 82.0°F (1951) | -0.9°F (1983) | 1.05 in (1937) |
| December 30 | 90.0°F (1919) | 3.9°F (1983) | 1.45 in (1984) |
| December 31 | 84.0°F (1951) | 15.1°F (1958) | 1.26 in (1984) |