December weather in Port Allen, LA
The average temperature in Port Allen in December is °F (°F–°F). Average precipitation: 5.36 inches.
December is a winter month in Port Allen, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 10h 3m.
Avg High
°F
Avg Low
°F
Precipitation
5.36 in
Daylight
10h 3m
December records in Port Allen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 4.00 in (2023) |
| December 2 | — | — | 1.70 in (2009) |
| December 3 | — | — | 3.30 in (1990) |
| December 4 | — | — | 6.57 in (1982) |
| December 5 | — | — | 1.71 in (2025) |
| December 6 | — | — | 2.00 in (2017) |
| December 7 | — | — | 3.40 in (1989) |
| December 8 | — | — | 5.45 in (2009) |
| December 9 | — | — | 1.85 in (2013) |
| December 10 | — | — | 1.93 in (2024) |
| December 11 | — | — | 2.68 in (1988) |
| December 12 | — | — | 1.00 in (2009) |
| December 13 | — | — | 1.35 in (1985) |
| December 14 | — | — | 2.15 in (2001) |
| December 15 | — | — | 1.69 in (2005) |
| December 16 | — | — | 1.56 in (1992) |
| December 17 | — | — | 1.90 in (2012) |
| December 18 | — | — | 4.90 in (1995) |
| December 19 | — | — | 2.76 in (1995) |
| December 20 | — | — | 2.20 in (1999) |
| December 21 | — | — | 1.18 in (1987) |
| December 22 | — | — | 3.15 in (1997) |
| December 23 | — | — | 2.05 in (1988) |
| December 24 | — | — | 2.29 in (2002) |
| December 25 | — | — | 1.49 in (1981) |
| December 26 | — | — | 1.45 in (1976) |
| December 27 | — | — | 3.06 in (1982) |
| December 28 | — | — | 4.15 in (2018) |
| December 29 | — | — | 2.24 in (1975) |
| December 30 | — | — | 3.65 in (2010) |
| December 31 | — | — | 4.07 in (2006) |