December weather in Westlake, LA
The average temperature in Westlake in December is °F (°F–°F). Average precipitation: 4.92 inches.
December is a winter month in Westlake, and is cooler than the annual average of 0°F. Expect about 11 days with precipitation. Daylight averages about 10h 3m.
Avg High
°F
Avg Low
°F
Precipitation
4.92 in
Daylight
10h 3m
December records in Westlake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 2.30 in (2023) |
| December 2 | — | — | 1.07 in (2009) |
| December 3 | — | — | 3.14 in (1984) |
| December 4 | — | — | 5.70 in (2016) |
| December 5 | — | — | 1.40 in (2024) |
| December 6 | — | — | 3.73 in (1972) |
| December 7 | — | — | 3.72 in (1989) |
| December 8 | — | — | 2.95 in (2018) |
| December 9 | — | — | 2.03 in (2004) |
| December 10 | — | — | 1.65 in (1986) |
| December 11 | — | — | 1.72 in (1988) |
| December 12 | — | — | 1.29 in (1985) |
| December 13 | — | — | 1.93 in (2001) |
| December 14 | — | — | 4.00 in (2022) |
| December 15 | — | — | 2.80 in (2009) |
| December 16 | — | — | 1.87 in (1986) |
| December 17 | — | — | 1.10 in (1994) |
| December 18 | — | — | 2.30 in (1995) |
| December 19 | — | — | 1.52 in (2021) |
| December 20 | — | — | 3.40 in (2015) |
| December 21 | — | — | 1.81 in (1997) |
| December 22 | — | — | 3.70 in (2015) |
| December 23 | — | — | 2.03 in (1986) |
| December 24 | — | — | 2.79 in (1997) |
| December 25 | — | — | 1.73 in (1975) |
| December 26 | — | — | 1.73 in (1982) |
| December 27 | — | — | 3.75 in (1982) |
| December 28 | — | — | 1.83 in (2018) |
| December 29 | — | — | 0.83 in (2012) |
| December 30 | — | — | 3.40 in (2022) |
| December 31 | — | — | 1.39 in (1981) |