December weather in Sinton, TX
The average temperature in Sinton in December is 57.4°F (46.5°F–68.2°F). Average precipitation: 1.70 inches. Average snowfall is 0.4 inches.
December is a winter month in Sinton, and is cooler than the annual average of 71.5°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 14m. For travel, December is a comfortable month to visit.
Avg High
68.2°F
Avg Low
46.5°F
Precipitation
1.70 in
Snow
0.4 in
December records in Sinton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (1983) | 25.0°F (1979) | 1.67 in (1923) |
| December 2 | 87.1°F (1964) | 35.1°F (1976) | 1.25 in (2011) |
| December 3 | 86.0°F (1964) | 32.0°F (2007) | 2.69 in (1943) |
| December 4 | 90.0°F (1977) | 28.0°F (2009) | 1.52 in (1937) |
| December 5 | 90.0°F (1977) | 27.0°F (2009) | 1.45 in (1969) |
| December 6 | 84.0°F (1961) | 28.9°F (2011) | 2.06 in (1931) |
| December 7 | 84.9°F (1998) | 28.9°F (2011) | 2.90 in (1921) |
| December 8 | 87.1°F (1966) | 28.9°F (2011) | 1.00 in (1960) |
| December 9 | 84.0°F (2008) | 27.0°F (1978) | 1.67 in (1964) |
| December 10 | 84.9°F (1961) | 19.0°F (1978) | 1.70 in (1928) |
| December 11 | 86.0°F (1983) | 19.9°F (1978) | 0.80 in (1935) |
| December 12 | 84.9°F (1973) | 27.0°F (1966) | 0.50 in (1976) |
| December 13 | 87.1°F (1993) | 25.0°F (1989) | 0.82 in (1936) |
| December 14 | 84.9°F (1973) | 28.0°F (1989) | 2.01 in (1937) |
| December 15 | 82.0°F (1977) | 30.0°F (2004) | 1.72 in (1965) |
| December 16 | 89.1°F (1977) | 21.0°F (1989) | 1.29 in (1996) |
| December 17 | 82.9°F (1977) | 21.9°F (1989) | 0.79 in (1995) |
| December 18 | 84.0°F (2012) | 25.0°F (1979) | 2.26 in (1993) |
| December 19 | 82.0°F (1977) | 21.0°F (1996) | 0.64 in (1976) |
| December 20 | 82.9°F (1971) | 21.9°F (1996) | 1.65 in (1928) |
| December 21 | 89.1°F (1978) | 19.9°F (1973) | 0.48 in (1930) |
| December 22 | 84.9°F (1966) | 21.0°F (1989) | 0.42 in (1932) |
| December 23 | 89.1°F (2004) | 10.0°F (1989) | 0.80 in (2002) |
| December 24 | 84.0°F (1964) | 12.9°F (1989) | 1.40 in (1962) |
| December 25 | 89.1°F (1964) | 21.0°F (1983) | 4.00 in (1938) |
| December 26 | 80.1°F (2003) | 12.9°F (1983) | 0.32 in (1940) |
| December 27 | 90.0°F (2008) | 19.9°F (1983) | 1.17 in (1978) |
| December 28 | 82.9°F (1973) | 27.0°F (1961) | 1.70 in (1994) |
| December 29 | 82.9°F (1970) | 25.0°F (1983) | 4.10 in (1937) |
| December 30 | 88.0°F (1973) | 15.1°F (1983) | 0.88 in (1984) |
| December 31 | 82.9°F (1999) | 23.0°F (1983) | 1.75 in (1935) |