December weather in McLean, TX
The average temperature in McLean in December is 40.4°F (28.5°F–52.3°F). Average precipitation: 0.98 inches. Average snowfall is 2.9 inches.
December is a winter month in McLean, and is cooler than the annual average of 59.8°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 9h 38m. For travel, December is cool.
Avg High
52.3°F
Avg Low
28.5°F
Precipitation
0.98 in
Snow
2.9 in
December records in McLean
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.0°F (1970) | 5.0°F (1985) | 0.05 in (1962) |
| December 2 | 75.0°F (1995) | 3.9°F (1985) | 0.61 in (1971) |
| December 3 | 73.0°F (1975) | 12.0°F (2006) | 0.43 in (1998) |
| December 4 | 80.1°F (2003) | 12.0°F (1964) | 0.90 in (1999) |
| December 5 | 77.0°F (1987) | 6.1°F (1972) | 0.35 in (1992) |
| December 6 | 70.0°F (1966) | 6.1°F (1972) | 0.39 in (1969) |
| December 7 | 75.9°F (2003) | 12.0°F (2005) | 0.60 in (1980) |
| December 8 | 77.0°F (1984) | -2.9°F (2005) | 1.00 in (1980) |
| December 9 | 80.1°F (1996) | 3.9°F (1978) | 0.15 in (1999) |
| December 10 | 75.0°F (1996) | 6.1°F (1972) | 1.11 in (1964) |
| December 11 | 77.0°F (1975) | 10.9°F (2000) | 1.60 in (2007) |
| December 12 | 72.0°F (1908) | 8.1°F (1989) | 0.12 in (1993) |
| December 13 | 73.0°F (1995) | 6.1°F (1985) | 0.35 in (1992) |
| December 14 | 73.0°F (1969) | 8.1°F (1985) | 1.15 in (1987) |
| December 15 | 69.1°F (1997) | 1.0°F (1989) | 1.05 in (1984) |
| December 16 | 73.9°F (2006) | 7.0°F (1987) | 0.15 in (1989) |
| December 17 | 78.1°F (1980) | 1.9°F (1964) | 0.42 in (1967) |
| December 18 | 73.9°F (1980) | 3.0°F (1983) | 1.20 in (1995) |
| December 19 | 73.9°F (1978) | 1.0°F (1996) | 0.90 in (1991) |
| December 20 | 73.9°F (1978) | 1.9°F (1983) | 1.60 in (2006) |
| December 21 | 78.1°F (2003) | -2.0°F (1990) | 1.32 in (1907) |
| December 22 | 70.0°F (1964) | -7.1°F (1983) | 0.47 in (1991) |
| December 23 | 77.0°F (1964) | -8.0°F (1989) | 0.60 in (2002) |
| December 24 | 79.0°F (1971) | -2.0°F (1983) | 0.20 in (1965) |
| December 25 | 75.0°F (1971) | -2.0°F (1983) | 0.80 in (1987) |
| December 26 | 75.0°F (1971) | 7.0°F (1983) | 0.35 in (1991) |
| December 27 | 72.0°F (1996) | 7.0°F (1987) | 0.45 in (1982) |
| December 28 | 73.0°F (1964) | 10.0°F (1966) | 0.20 in (1983) |
| December 29 | 75.0°F (1965) | -0.9°F (1983) | 2.35 in (2006) |
| December 30 | 73.0°F (2008) | 0.0°F (1990) | 0.40 in (2006) |
| December 31 | 72.0°F (2008) | 1.9°F (1968) | 0.45 in (1974) |