Weather on December 15
Baton Rouge, LA
55 Years of Data
About This Date
December 15th in Baton Rouge, LA typically brings mild winter weather, with average highs around 64°F and lows near 44°F. Over 55 years of records, the warmest December 15th was in 2021 (71°F average), while the coldest was 1985 (33°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 15th dates historically, with the wettest December 15th recording 5" of rain. The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Baton Rouge, LA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 25° | 37° | — | — |
| 2024 | 81° | 58° | 69° | — | — |
| 2023 | 72° | 50° | 61° | — | — |
| 2022 | 62° | 42° | 52° | — | — |
| 2021warmest | 77° | 64° | 71° | — | — |
| 2020 | 49° | 43° | 46° | 1.78" | — |
| 2019 | 80° | 54° | 67° | — | — |
| 2018 | 54° | 48° | 51° | — | — |
| 2017 | 63° | 37° | 50° | — | — |
| 2016 | 57° | 42° | 50° | — | — |
| 2015 | 72° | 44° | 58° | — | — |
| 2014 | 71° | 42° | 57° | — | — |
| 2013 | 67° | 42° | 54° | 0.1" | — |
| 2012 | 67° | 35° | 51° | — | — |
| 2011 | 72° | 55° | 63° | 0.05" | — |
| 2010 | 52° | 28° | 40° | — | — |
| 2009 | 71° | 61° | 66° | 3.07" | — |
| 2008 | 73° | 62° | 68° | — | — |
| 2007 | 81° | 44° | 62° | 0.69" | — |
| 2006 | 70° | 49° | 59° | 0.03" | — |
| 2005 | 75° | 51° | 63° | 5" | — |
| 2004 | 48° | 27° | 37° | — | — |
| 2003 | 54° | 31° | 42° | — | — |
| 2002 | 59° | 32° | 46° | — | — |
| 2001 | 64° | 44° | 54° | — | — |
| 2000 | 46° | 38° | 42° | — | — |
| 1999 | 65° | 41° | 53° | — | — |
| 1998 | 61° | 35° | 48° | — | — |
| 1997 | 43° | 25° | 34° | — | — |
| 1996 | 70° | 55° | 62° | — | — |
| 1995 | 79° | 54° | 66° | — | — |
| 1994 | 60° | 45° | 52° | — | — |
| 1993 | 55° | 36° | 45° | — | — |
| 1992 | 71° | 52° | 61° | — | — |
| 1991 | 63° | 37° | 50° | — | — |
| 1990 | 76° | 54° | 65° | — | — |
| 1989 | 57° | 31° | 44° | 0.15" | — |
| 1988 | 63° | 39° | 51° | — | — |
| 1987 | 81° | 38° | 59° | 0.23" | — |
| 1986 | 61° | 41° | 51° | 0.89" | — |
| 1985coldest | 43° | 24° | 33° | — | — |
| 1984 | 81° | 60° | 70° | — | — |
| 1983 | 53° | 35° | 44° | — | — |
| 1982 | 64° | 58° | 61° | 1.09" | — |
| 1981 | 54° | 36° | 45° | 0.1" | — |
| 1980 | 67° | 32° | 49° | 0.13" | — |
| 1979 | 54° | 40° | 47° | 0.51" | — |
| 1978 | 53° | 42° | 48° | — | — |
| 1977 | 62° | 41° | 52° | — | — |
| 1976 | 53° | 43° | 48° | 2.67" | — |
| 1975 | 77° | 61° | 69° | — | — |
| 1974 | 69° | 45° | 57° | 2.03" | — |
| 1973 | 66° | 46° | 56° | 0.13" | — |
| 1972 | 58° | 42° | 50° | 1.32" | — |
| 1971 | 80° | 58° | 69° | 0.41" | — |
Baton Rouge, LA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Baton Rouge, LA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Baton Rouge, LA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Baton Rouge, LA
Baton Rouge, LA has no months that meet our "pleasant" threshold — every season has tradeoffs.