December weather in Idalou, TX
The average temperature in Idalou in December is 41.7°F (28.3°F–55.1°F). Average precipitation: 0.75 inches. Average snowfall is 2.4 inches.
December is a winter month in Idalou, and is cooler than the annual average of 61.4°F. Daily temperatures swing about 26.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 46m. For travel, December is cool.
Avg High
55.1°F
Avg Low
28.3°F
Precipitation
0.75 in
Snow
2.4 in
December records in Idalou
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 79.0°F (2012) | 15.1°F (1985) | 0.47 in (2009) |
| December 2 | 81.0°F (1995) | 12.9°F (1985) | 0.32 in (1971) |
| December 3 | 82.0°F (2010) | 15.1°F (1967) | 1.22 in (2002) |
| December 4 | 81.0°F (1958) | 18.0°F (1964) | 0.21 in (1999) |
| December 5 | 78.1°F (2021) | 10.0°F (1950) | 0.26 in (1971) |
| December 6 | 77.0°F (1966) | 1.0°F (1950) | 0.27 in (2004) |
| December 7 | 79.0°F (2007) | 8.1°F (2005) | 0.40 in (1980) |
| December 8 | 78.1°F (1970) | 3.9°F (2005) | 0.90 in (2018) |
| December 9 | 78.1°F (1996) | 5.0°F (1978) | 0.65 in (1999) |
| December 10 | 77.0°F (1981) | 10.2°F (2013) | 0.34 in (1964) |
| December 11 | 79.0°F (2025) | 10.9°F (1989) | 0.77 in (2007) |
| December 12 | 79.0°F (1995) | 6.1°F (1961) | 0.45 in (1979) |
| December 13 | 78.1°F (2025) | 8.1°F (1985) | 0.65 in (1979) |
| December 14 | 82.0°F (2010) | 8.1°F (1987) | 0.62 in (1959) |
| December 15 | 80.1°F (2010) | 1.9°F (1987) | 0.72 in (1984) |
| December 16 | 78.1°F (2016) | 3.0°F (1987) | 0.28 in (1990) |
| December 17 | 78.1°F (1980) | 8.2°F (2016) | 0.45 in (1995) |
| December 18 | 77.0°F (1980) | 4.1°F (2016) | 0.49 in (1991) |
| December 19 | 79.0°F (2025) | 5.0°F (1996) | 0.64 in (2006) |
| December 20 | 81.0°F (2025) | 8.1°F (1973) | 1.00 in (1997) |
| December 21 | 78.1°F (1981) | 1.9°F (1983) | 0.22 in (1986) |
| December 22 | 84.9°F (2025) | -2.0°F (1989) | 0.48 in (1991) |
| December 23 | 84.0°F (2025) | -0.9°F (1989) | 0.57 in (2009) |
| December 24 | 81.0°F (2021) | 0.0°F (1983) | 0.18 in (1982) |
| December 25 | 86.0°F (2025) | 5.0°F (1983) | 0.27 in (1991) |
| December 26 | 81.0°F (2025) | 8.1°F (2009) | 0.88 in (2000) |
| December 27 | 82.9°F (2025) | 12.0°F (1966) | 0.85 in (2015) |
| December 28 | 75.0°F (1980) | 3.9°F (1966) | 0.57 in (1954) |
| December 29 | 75.9°F (2017) | 0.0°F (1982) | 0.74 in (2006) |
| December 30 | 80.1°F (2008) | 7.0°F (1990) | 0.17 in (1974) |
| December 31 | 75.9°F (2011) | 9.0°F (1968) | 0.47 in (2012) |