December weather in Rockwall, TX
The average temperature in Rockwall in December is °F (°F–°F). Average precipitation: 3.47 inches.
December is a winter month in Rockwall, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 9h 50m.
Avg High
°F
Avg Low
°F
Precipitation
3.47 in
Daylight
9h 50m
December records in Rockwall
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 0.92 in (1955) |
| December 2 | — | — | 1.23 in (1941) |
| December 3 | — | — | 1.80 in (1982) |
| December 4 | — | — | 4.77 in (1998) |
| December 5 | — | — | 1.75 in (1944) |
| December 6 | — | — | 1.60 in (1976) |
| December 7 | — | — | 1.59 in (1947) |
| December 8 | — | — | 1.15 in (1997) |
| December 9 | — | — | 1.49 in (1991) |
| December 10 | — | — | 1.70 in (1971) |
| December 11 | — | — | 2.45 in (1985) |
| December 12 | — | — | 2.95 in (1999) |
| December 13 | — | — | 2.71 in (2007) |
| December 14 | — | — | 1.38 in (1992) |
| December 15 | — | — | 2.00 in (1959) |
| December 16 | — | — | 4.14 in (2001) |
| December 17 | — | — | 0.73 in (2001) |
| December 18 | — | — | 2.20 in (1984) |
| December 19 | — | — | 1.15 in (1998) |
| December 20 | — | — | 1.34 in (1997) |
| December 21 | — | — | 3.23 in (1991) |
| December 22 | — | — | 0.74 in (1979) |
| December 23 | — | — | 0.61 in (1991) |
| December 24 | — | — | 1.60 in (1979) |
| December 25 | — | — | 1.25 in (1975) |
| December 26 | — | — | 2.20 in (2000) |
| December 27 | — | — | 1.35 in (1982) |
| December 28 | — | — | 0.90 in (1944) |
| December 29 | — | — | 1.86 in (1969) |
| December 30 | — | — | 1.63 in (2006) |
| December 31 | — | — | 1.78 in (1978) |