Weather on March 31
Baton Rouge, LA
55 Years of Data
Avg High
74°F
Avg Low
53°F
Warmest
2026
78°F avg
Coldest
1987
41°F avg
About This Date
March 31st in Baton Rouge, LA typically brings pleasant spring weather, with average highs around 74°F and lows near 53°F. Over 56 years of records, the warmest March 31st was in 2026 (78°F average), while the coldest was 1987 (41°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 39% of March 31st dates historically, with the wettest March 31st recording 3.43" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Baton Rouge, LA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 88° | 68° | 78° | — | — |
| 2025 | 80° | 66° | 73° | 2.39" | — |
| 2024 | 82° | 65° | 73° | — | — |
| 2023 | 84° | 66° | 75° | — | — |
| 2022 | 72° | 49° | 60° | — | — |
| 2021 | 83° | 52° | 67° | 0.05" | — |
| 2020 | 77° | 52° | 64° | 0.03" | — |
| 2019 | 80° | 47° | 63° | 0.1" | — |
| 2018 | 73° | 50° | 62° | — | — |
| 2017 | 71° | 53° | 62° | 0.53" | — |
| 2016 | 76° | 67° | 71° | — | — |
| 2015 | 79° | 50° | 64° | — | — |
| 2014 | 71° | 40° | 55° | — | — |
| 2013 | 75° | 55° | 65° | — | — |
| 2012 | 80° | 61° | 70° | 0.86" | — |
| 2011 | 61° | 48° | 54° | — | — |
| 2010 | 74° | 43° | 58° | — | — |
| 2009 | 81° | 64° | 72° | — | — |
| 2008 | 82° | 65° | 73° | — | — |
| 2007 | 86° | 62° | 74° | — | — |
| 2006 | 83° | 65° | 74° | — | — |
| 2005 | 77° | 65° | 71° | 0.79" | — |
| 2004 | 79° | 43° | 61° | — | — |
| 2003 | 59° | 33° | 46° | — | — |
| 2002 | 84° | 63° | 73° | 1.35" | — |
| 2001 | 65° | 51° | 58° | — | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 64° | 56° | 60° | 0.48" | — |
| 1998 | 83° | 68° | 75° | — | — |
| 1997 | 70° | 52° | 61° | 0.46" | — |
| 1996 | 73° | 63° | 68° | 0.15" | — |
| 1995 | 67° | 54° | 60° | 0.81" | — |
| 1994 | 72° | 42° | 57° | — | — |
| 1993 | 83° | 63° | 73° | 0.1" | — |
| 1992 | 66° | 53° | 60° | — | — |
| 1991 | 65° | 38° | 51° | — | — |
| 1990 | 70° | 56° | 63° | 0.2" | — |
| 1989 | 82° | 57° | 70° | — | — |
| 1988 | 68° | 59° | 64° | 3.43" | — |
| 1987coldest | 50° | 32° | 41° | 0.05" | — |
| 1986 | 80° | 47° | 63° | — | — |
| 1985 | 79° | 51° | 65° | 1.65" | — |
| 1984 | 70° | 42° | 56° | — | — |
| 1983 | 58° | 49° | 53° | 0.53" | — |
| 1982 | 77° | 60° | 69° | 1.14" | — |
| 1981 | 85° | 53° | 69° | — | — |
| 1980 | 70° | 45° | 57° | — | — |
| 1979 | 82° | 64° | 73° | — | — |
| 1978 | 82° | 45° | 63° | — | — |
| 1977 | 81° | 51° | 66° | 1.65" | — |
| 1976 | 78° | 54° | 66° | 0.25" | — |
| 1975 | 56° | 39° | 47° | — | — |
| 1974 | 82° | 52° | 67° | — | — |
| 1973 | 73° | 65° | 69° | 1.93" | — |
| 1972 | 55° | 45° | 50° | — | — |
| 1971 | 68° | 40° | 54° | — | — |
56 years of data from LSU BEN-HUR FARM