December weather in Del Rio, TX
The average temperature in Del Rio in December is 56.1°F (44.3°F–67.8°F). Average precipitation: 0.70 inches.
December is a winter month in Del Rio, and is cooler than the annual average of 73.9°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 10h 8m. For travel, December is a comfortable month to visit.
Avg High
67.8°F
Avg Low
44.3°F
Precipitation
0.70 in
Daylight
10h 8m
December records in Del Rio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (1982) | 26.1°F (2006) | 0.55 in (2009) |
| December 2 | 84.9°F (2021) | 28.0°F (1979) | 0.58 in (1965) |
| December 3 | 89.1°F (2021) | 28.9°F (1976) | 0.70 in (2016) |
| December 4 | 90.0°F (1977) | 28.9°F (2006) | 0.88 in (2016) |
| December 5 | 88.0°F (1951) | 27.0°F (2009) | 0.73 in (2016) |
| December 6 | 82.9°F (1951) | 27.0°F (1999) | 0.52 in (2017) |
| December 7 | 81.0°F (1966) | 23.0°F (2011) | 1.24 in (2018) |
| December 8 | 82.9°F (2021) | 23.0°F (2005) | 0.09 in (1980) |
| December 9 | 88.0°F (2019) | 23.0°F (2005) | 0.24 in (1982) |
| December 10 | 90.0°F (2021) | 25.0°F (1978) | 0.49 in (1986) |
| December 11 | 89.1°F (1987) | 24.1°F (1966) | 0.46 in (1991) |
| December 12 | 84.9°F (1973) | 23.0°F (1966) | 0.64 in (1979) |
| December 13 | 86.0°F (2019) | 23.0°F (1966) | 0.97 in (1976) |
| December 14 | 91.0°F (2019) | 19.9°F (1985) | 0.42 in (1980) |
| December 15 | 89.1°F (2019) | 25.0°F (1985) | 0.33 in (1996) |
| December 16 | 87.1°F (1977) | 21.0°F (1972) | 0.15 in (1975) |
| December 17 | 81.0°F (2024) | 25.0°F (1972) | 0.14 in (1987) |
| December 18 | 84.9°F (2012) | 24.1°F (1996) | 0.19 in (1995) |
| December 19 | 82.9°F (2012) | 19.9°F (1996) | 0.45 in (1991) |
| December 20 | 82.0°F (1951) | 23.0°F (1996) | 0.29 in (1997) |
| December 21 | 82.0°F (1966) | 21.0°F (1989) | 1.09 in (1991) |
| December 22 | 84.0°F (2021) | 16.0°F (1989) | 0.60 in (1986) |
| December 23 | 82.9°F (1955) | 10.0°F (1989) | 0.20 in (1997) |
| December 24 | 89.1°F (1955) | 15.1°F (1983) | 0.19 in (2023) |
| December 25 | 87.1°F (1955) | 12.9°F (1983) | 1.36 in (1974) |
| December 26 | 82.9°F (2025) | 21.0°F (1983) | 0.34 in (1982) |
| December 27 | 84.0°F (2005) | 26.1°F (1983) | 1.70 in (1994) |
| December 28 | 82.9°F (2024) | 25.0°F (1967) | 1.00 in (1994) |
| December 29 | 84.9°F (2021) | 19.9°F (1983) | 0.72 in (1969) |
| December 30 | 91.0°F (2024) | 15.1°F (1983) | 0.59 in (2020) |
| December 31 | 82.9°F (2022) | 21.9°F (1983) | 1.06 in (1984) |