Weather on May 15
Baton Rouge, LA
55 Years of Data
Avg High
85°F
Avg Low
64°F
Warmest
2025
83°F avg
Coldest
2011
62°F avg
About This Date
May 15th in Baton Rouge, LA typically brings warm spring weather, with average highs around 85°F and lows near 64°F. Over 55 years of records, the warmest May 15th was in 2025 (83°F average), while the coldest was 2011 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 18% of May 15th dates historically, with the wettest May 15th recording 11.66" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Baton Rouge, LA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 91° | 76° | 83° | — | — |
| 2024 | 89° | 65° | 77° | — | — |
| 2023 | 94° | 71° | 82° | 0.03" | — |
| 2022 | 88° | 67° | 77° | 0.15" | — |
| 2021 | 82° | 58° | 70° | — | — |
| 2020 | 84° | 68° | 76° | — | — |
| 2019 | 87° | 61° | 74° | — | — |
| 2018 | 92° | 70° | 81° | 0.18" | — |
| 2017 | 83° | 61° | 72° | — | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015 | 86° | 71° | 79° | 0.03" | — |
| 2014 | 75° | 51° | 63° | — | — |
| 2013 | 82° | 58° | 70° | — | — |
| 2012 | 82° | 59° | 71° | — | — |
| 2011coldest | 74° | 51° | 62° | — | — |
| 2010 | 90° | 72° | 81° | — | — |
| 2009 | 88° | 69° | 78° | — | — |
| 2008 | 83° | 69° | 76° | 11.66" | — |
| 2007 | 90° | 69° | 79° | — | — |
| 2006 | 80° | 60° | 70° | — | — |
| 2005 | 85° | 65° | 75° | — | — |
| 2004 | 84° | 67° | 75° | 4.52" | — |
| 2003 | 89° | 71° | 80° | — | — |
| 2002 | 82° | 55° | 69° | — | — |
| 2001 | 89° | 63° | 76° | — | — |
| 2000 | 85° | 60° | 72° | — | — |
| 1999 | 86° | 64° | 75° | — | — |
| 1998 | 87° | 72° | 79° | — | — |
| 1997 | 86° | 68° | 77° | — | — |
| 1996 | 86° | 65° | 75° | — | — |
| 1995 | 90° | 71° | 80° | — | — |
| 1994 | 85° | 67° | 76° | — | — |
| 1993 | 83° | 56° | 69° | — | — |
| 1992 | 90° | 62° | 76° | — | — |
| 1991 | 88° | 69° | 78° | — | — |
| 1990 | 86° | 72° | 79° | — | — |
| 1989 | 84° | 62° | 73° | — | — |
| 1988 | 90° | 63° | 76° | — | — |
| 1987 | 89° | 65° | 77° | 0.08" | — |
| 1986 | 90° | 69° | 79° | — | — |
| 1985 | 89° | 69° | 79° | — | — |
| 1984 | 92° | 68° | 80° | — | — |
| 1983 | 87° | 72° | 79° | — | — |
| 1982 | 82° | 64° | 73° | 0.03" | — |
| 1981 | 83° | 56° | 69° | — | — |
| 1980 | 82° | 70° | 76° | 0.86" | — |
| 1979 | 80° | 55° | 68° | — | — |
| 1978 | 83° | 60° | 71° | — | — |
| 1977 | 82° | 57° | 70° | — | — |
| 1976 | 80° | 54° | 67° | — | — |
| 1975 | 77° | 65° | 71° | 0.25" | — |
| 1974 | 87° | 70° | 78° | — | — |
| 1973 | 79° | 58° | 68° | — | — |
| 1972 | 82° | 63° | 72° | — | — |
| 1971 | 77° | 54° | 65° | — | — |
55 years of data from LSU BEN-HUR FARM