December weather in San Patricio, TX
The average temperature in San Patricio in December is 57.0°F (46.6°F–67.4°F). Average precipitation: 1.77 inches.
December is a winter month in San Patricio, and is cooler than the annual average of 71.1°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 14m. For travel, December is a comfortable month to visit.
Avg High
67.4°F
Avg Low
46.6°F
Precipitation
1.77 in
Daylight
10h 14m
December records in San Patricio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 90.0°F (2019) | 28.0°F (1976) | 1.24 in (1968) |
| December 2 | 86.0°F (1964) | 33.1°F (1974) | 1.04 in (2009) |
| December 3 | 89.1°F (1978) | 30.9°F (1976) | 1.41 in (2001) |
| December 4 | 91.0°F (1977) | 32.0°F (1976) | 1.60 in (2016) |
| December 5 | 87.1°F (1977) | 27.0°F (2009) | 2.10 in (2016) |
| December 6 | 87.1°F (1972) | 27.0°F (2009) | 0.67 in (1971) |
| December 7 | 84.9°F (1998) | 28.9°F (2011) | 0.45 in (2017) |
| December 8 | 86.0°F (1977) | 30.0°F (2017) | 3.52 in (2018) |
| December 9 | 84.9°F (1994) | 30.0°F (1978) | 1.60 in (1964) |
| December 10 | 87.1°F (2021) | 23.0°F (1978) | 0.97 in (2002) |
| December 11 | 88.0°F (2021) | 27.0°F (1966) | 0.85 in (1964) |
| December 12 | 87.1°F (1987) | 26.1°F (1966) | 1.10 in (1976) |
| December 13 | 84.0°F (1968) | 25.0°F (1966) | 0.55 in (2007) |
| December 14 | 84.9°F (1984) | 25.0°F (1985) | 0.45 in (1978) |
| December 15 | 89.1°F (2019) | 25.0°F (1985) | 1.00 in (1965) |
| December 16 | 88.0°F (1977) | 21.9°F (1989) | 0.94 in (1996) |
| December 17 | 82.0°F (1990) | 19.9°F (1989) | 1.64 in (1995) |
| December 18 | 87.1°F (1990) | 24.1°F (1979) | 0.58 in (1965) |
| December 19 | 84.9°F (2012) | 21.9°F (1996) | 1.23 in (2014) |
| December 20 | 84.9°F (2012) | 21.9°F (1996) | 1.78 in (1976) |
| December 21 | 86.0°F (1978) | 23.0°F (1973) | 2.17 in (2019) |
| December 22 | 86.0°F (1990) | 21.0°F (1989) | 3.82 in (1991) |
| December 23 | 87.1°F (1970) | 14.0°F (1989) | 0.48 in (1986) |
| December 24 | 84.0°F (1974) | 14.0°F (1989) | 1.90 in (2006) |
| December 25 | 84.9°F (1974) | 10.9°F (1989) | 1.47 in (2004) |
| December 26 | 87.1°F (1964) | 14.0°F (1983) | 0.45 in (1991) |
| December 27 | 84.9°F (2021) | 24.1°F (1983) | 0.85 in (2000) |
| December 28 | 89.1°F (2008) | 27.0°F (1997) | 1.40 in (1994) |
| December 29 | 84.0°F (1973) | 27.0°F (1983) | 0.81 in (1979) |
| December 30 | 82.9°F (1970) | 23.0°F (1983) | 0.72 in (1986) |
| December 31 | 91.0°F (2024) | 27.0°F (1983) | 1.71 in (1984) |