Weather on December 9
Baton Rouge, LA
55 Years of Data
Avg High
66°F
Avg Low
43°F
Warmest
2007
76°F avg
Coldest
2017
31°F avg
About This Date
December 9th in Baton Rouge, LA typically brings mild winter weather, with average highs around 66°F and lows near 43°F. Over 55 years of records, the warmest December 9th was in 2007 (76°F average), while the coldest was 2017 (31°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 9th dates historically, with the wettest December 9th recording 6.48" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Baton Rouge, LA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 34° | 45° | — | — |
| 2024 | 73° | 68° | 71° | 5.64" | — |
| 2023 | 84° | 56° | 70° | 1.45" | — |
| 2022 | 82° | 63° | 72° | — | — |
| 2021 | 79° | 48° | 63° | 0.3" | — |
| 2020 | 74° | 39° | 56° | — | — |
| 2019 | 80° | 54° | 67° | 0.03" | — |
| 2018 | 59° | 40° | 49° | 4.5" | — |
| 2017coldest | 34° | 28° | 31° | 0.94" | — |
| 2016 | 51° | 33° | 42° | — | — |
| 2015 | 69° | 42° | 56° | — | — |
| 2014 | 66° | 37° | 52° | — | — |
| 2013 | 46° | 39° | 43° | 6.48" | — |
| 2012 | 75° | 52° | 63° | — | — |
| 2011 | 48° | 26° | 37° | — | — |
| 2010 | 49° | 28° | 38° | — | — |
| 2009 | 74° | 61° | 67° | 0.36" | — |
| 2008 | 70° | 35° | 52° | — | — |
| 2007warmest | 83° | 70° | 76° | — | — |
| 2006 | 47° | 23° | 35° | — | — |
| 2005 | 53° | 35° | 44° | 0.08" | — |
| 2004 | 75° | 48° | 62° | 0.41" | — |
| 2003 | 70° | 44° | 57° | — | — |
| 2002 | 60° | 39° | 50° | — | — |
| 2001 | 78° | 52° | 65° | — | — |
| 2000 | 63° | 37° | 50° | — | — |
| 1999 | 70° | 51° | 60° | — | — |
| 1998 | 61° | 44° | 52° | — | — |
| 1997 | 75° | 50° | 63° | 0.05" | — |
| 1996 | 65° | 36° | 50° | — | — |
| 1995 | 70° | 41° | 55° | 0.33" | — |
| 1994 | 76° | 56° | 66° | — | — |
| 1993 | 73° | 48° | 61° | — | — |
| 1992 | 56° | 40° | 48° | 0.03" | — |
| 1991 | 78° | 55° | 67° | 0.08" | — |
| 1990 | 57° | 30° | 44° | — | — |
| 1989 | 40° | 35° | 37° | 0.08" | — |
| 1988 | 69° | 45° | 57° | 0.89" | — |
| 1987 | 73° | 49° | 61° | — | — |
| 1986 | 76° | 61° | 68° | — | — |
| 1985 | 74° | 46° | 60° | — | — |
| 1984 | 67° | 39° | 53° | — | — |
| 1983 | 66° | 39° | 53° | — | — |
| 1982 | 72° | 52° | 62° | — | — |
| 1981 | 77° | 39° | 58° | — | — |
| 1980 | 78° | 63° | 70° | 0.05" | — |
| 1979 | 62° | 32° | 47° | — | — |
| 1978 | 80° | 35° | 58° | 1.57" | — |
| 1977 | 68° | 42° | 55° | 0.64" | — |
| 1976 | 64° | 32° | 48° | — | — |
| 1975 | 54° | 37° | 45° | — | — |
| 1974 | 54° | 32° | 43° | — | — |
| 1973 | 48° | 23° | 36° | — | — |
| 1972 | 78° | 64° | 71° | — | — |
| 1971 | 68° | 44° | 56° | — | — |
55 years of data from LSU BEN-HUR FARM