Weather on December 20
Baton Rouge, LA
55 Years of Data
Avg High
63°F
Avg Low
42°F
Warmest
1978
71°F avg
Coldest
1996
28°F avg
About This Date
December 20th in Baton Rouge, LA typically brings mild winter weather, with average highs around 63°F and lows near 42°F. Over 55 years of records, the warmest December 20th was in 1978 (71°F average), while the coldest was 1996 (28°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 20th dates historically, with the wettest December 20th recording 5.21" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Baton Rouge, LA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 35° | 56° | — | — |
| 2024 | 69° | 41° | 55° | — | — |
| 2023 | 67° | 40° | 53° | — | — |
| 2022 | 57° | 47° | 52° | 0.38" | — |
| 2021 | 46° | 42° | 44° | 0.2" | — |
| 2020 | 62° | 42° | 52° | — | — |
| 2019 | 61° | 32° | 46° | — | — |
| 2018 | 56° | 50° | 53° | 1.35" | — |
| 2017 | 71° | 63° | 67° | 0.36" | — |
| 2016 | 48° | 30° | 39° | — | — |
| 2015 | 59° | 34° | 46° | — | — |
| 2014 | 56° | 47° | 51° | 2.21" | — |
| 2013 | 72° | 53° | 62° | — | — |
| 2012 | 75° | 48° | 62° | 2.06" | — |
| 2011 | 67° | 43° | 55° | — | — |
| 2010 | 58° | 31° | 44° | — | — |
| 2009 | 58° | 33° | 45° | — | — |
| 2008 | 80° | 62° | 71° | — | — |
| 2007 | 70° | 58° | 64° | 3.84" | — |
| 2006 | 66° | 59° | 63° | — | — |
| 2005 | 56° | 33° | 44° | — | — |
| 2004 | 59° | 27° | 43° | — | — |
| 2003 | 61° | 27° | 44° | — | — |
| 2002 | 76° | 44° | 60° | 0.18" | — |
| 2001 | 65° | 37° | 51° | — | — |
| 2000 | 42° | 23° | 33° | — | — |
| 1999 | 53° | 41° | 47° | 0.05" | — |
| 1998 | 74° | 55° | 64° | 1.12" | — |
| 1997 | 76° | 46° | 61° | — | — |
| 1996coldest | 39° | 18° | 28° | — | — |
| 1995 | 48° | 40° | 44° | 0.05" | — |
| 1994 | 60° | 42° | 51° | — | — |
| 1993 | 58° | 48° | 53° | 0.38" | — |
| 1992 | 71° | 62° | 67° | 0.71" | — |
| 1991 | 59° | 45° | 52° | — | — |
| 1990 | 70° | 55° | 62° | 0.13" | — |
| 1989 | 45° | 34° | 39° | 0.15" | — |
| 1988 | 70° | 40° | 55° | — | — |
| 1987 | 71° | 51° | 61° | 0.46" | — |
| 1986 | 51° | 40° | 45° | — | — |
| 1985 | 51° | 30° | 41° | — | — |
| 1984 | 74° | 55° | 64° | — | — |
| 1983 | 43° | 34° | 38° | — | — |
| 1982 | 65° | 30° | 47° | — | — |
| 1981 | 44° | 25° | 34° | — | — |
| 1980 | 77° | 35° | 56° | — | — |
| 1979 | 62° | 31° | 46° | — | — |
| 1978warmest | 76° | 67° | 71° | — | — |
| 1977 | 75° | 48° | 62° | — | — |
| 1976 | 70° | 39° | 54° | 2.01" | — |
| 1975 | 44° | 20° | 32° | — | — |
| 1974 | 69° | 51° | 60° | 1.55" | — |
| 1973 | 70° | 33° | 51° | 5.21" | — |
| 1972 | 74° | 59° | 66° | 0.89" | — |
| 1971 | 73° | 46° | 60° | 2.26" | — |
55 years of data from LSU BEN-HUR FARM