December weather in Grandfalls, TX
The average temperature in Grandfalls in December is 45.1°F (28.2°F–62.0°F). Average precipitation: 0.72 inches. Average snowfall is 0.4 inches.
December is a winter month in Grandfalls, and is cooler than the annual average of 65°F. Daily temperatures swing about 33.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 58m. For travel, December is cool.
Avg High
62.0°F
Avg Low
28.2°F
Precipitation
0.72 in
Snow
0.4 in
December records in Grandfalls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.0°F (2007) | 10.0°F (1979) | 0.35 in (2009) |
| December 2 | 84.0°F (1942) | 10.0°F (1979) | 0.25 in (1953) |
| December 3 | 82.9°F (1973) | 14.0°F (1979) | 0.41 in (1947) |
| December 4 | 84.0°F (1948) | 14.0°F (1990) | 0.72 in (1926) |
| December 5 | 82.9°F (1941) | 10.9°F (2009) | 0.42 in (1915) |
| December 6 | 82.0°F (1972) | 15.1°F (2009) | 0.32 in (1942) |
| December 7 | 82.9°F (2007) | 17.1°F (1945) | 0.65 in (1931) |
| December 8 | 82.0°F (1966) | 18.0°F (1976) | 1.10 in (1912) |
| December 9 | 82.9°F (1977) | 10.9°F (1978) | 0.60 in (1911) |
| December 10 | 82.9°F (1985) | 10.9°F (1978) | 0.90 in (2007) |
| December 11 | 82.0°F (1979) | 12.9°F (1944) | 1.94 in (1946) |
| December 12 | 84.9°F (1987) | 5.0°F (1989) | 0.51 in (1991) |
| December 13 | 84.0°F (1995) | 3.9°F (1989) | 0.37 in (1979) |
| December 14 | 84.9°F (1995) | 6.1°F (1985) | 0.72 in (1911) |
| December 15 | 84.0°F (2010) | 6.1°F (1985) | 0.41 in (1967) |
| December 16 | 82.9°F (2006) | 7.0°F (1972) | 0.72 in (1990) |
| December 17 | 80.1°F (1946) | 14.0°F (1987) | 0.18 in (1986) |
| December 18 | 84.0°F (2002) | 12.9°F (1981) | 1.12 in (1986) |
| December 19 | 84.0°F (1978) | 12.0°F (1944) | 1.00 in (1995) |
| December 20 | 82.0°F (1978) | 6.1°F (1973) | 0.48 in (1991) |
| December 21 | 82.9°F (2010) | 8.1°F (1973) | 1.67 in (1986) |
| December 22 | 84.0°F (1981) | 9.0°F (1989) | 0.71 in (1991) |
| December 23 | 82.9°F (1969) | 0.0°F (1989) | 0.90 in (1932) |
| December 24 | 82.0°F (1955) | 0.0°F (1989) | 0.68 in (1914) |
| December 25 | 82.9°F (1942) | 7.0°F (1983) | 0.44 in (1948) |
| December 26 | 82.9°F (2003) | 7.0°F (1983) | 1.05 in (1948) |
| December 27 | 79.0°F (1971) | 12.9°F (1987) | 0.40 in (1918) |
| December 28 | 80.1°F (1955) | 10.9°F (1988) | 0.35 in (1944) |
| December 29 | 81.0°F (1964) | 1.9°F (1983) | 0.30 in (2006) |
| December 30 | 82.9°F (1971) | 0.0°F (1983) | 0.50 in (1932) |
| December 31 | 80.1°F (2011) | 8.1°F (1983) | 0.55 in (1984) |