Weather on March 21
Baton Rouge, LA
55 Years of Data
About This Date
March 21st in Baton Rouge, LA typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 56 years of records, the warmest March 21st was in 1982 (76°F average), while the coldest was 1971 (45°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 27% of March 21st dates historically, with the wettest March 21st recording 1.47" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Baton Rouge, LA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 54° | 68° | — | — |
| 2025 | 69° | 35° | 52° | — | — |
| 2024 | 66° | 49° | 57° | 0.13" | — |
| 2023 | 75° | 47° | 61° | — | — |
| 2022 | 80° | 47° | 63° | — | — |
| 2021 | 74° | 45° | 59° | — | — |
| 2020 | 69° | 61° | 65° | — | — |
| 2019 | 71° | 37° | 54° | — | — |
| 2018 | 64° | 45° | 54° | — | — |
| 2017 | 81° | 62° | 71° | — | — |
| 2016 | 58° | 37° | 47° | — | — |
| 2015 | 83° | 64° | 73° | 0.01" | — |
| 2014 | 76° | 44° | 60° | — | — |
| 2013 | 72° | 47° | 59° | 0.02" | — |
| 2012 | 78° | 70° | 74° | 0.05" | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 69° | 36° | 52° | 0.01" | — |
| 2009 | 81° | 50° | 65° | — | — |
| 2008 | 70° | 40° | 55° | — | — |
| 2007 | 79° | 59° | 69° | — | — |
| 2006 | 80° | 51° | 66° | 0.06" | — |
| 2005 | 71° | 56° | 63° | 0.06" | — |
| 2004 | 81° | 55° | 68° | — | — |
| 2003 | 79° | 47° | 63° | — | — |
| 2002 | 82° | 56° | 69° | 0.12" | — |
| 2001 | 62° | 38° | 50° | — | — |
| 2000 | 71° | 44° | 58° | — | — |
| 1999 | 73° | 48° | 61° | — | — |
| 1998 | 54° | 44° | 49° | — | — |
| 1997 | 60° | 43° | 51° | 0.3" | — |
| 1996 | 64° | 32° | 48° | — | — |
| 1995 | 77° | 57° | 67° | — | — |
| 1994 | 77° | 61° | 69° | — | — |
| 1993 | 70° | 53° | 61° | 0.32" | — |
| 1992 | 65° | 45° | 55° | — | — |
| 1991 | 76° | 58° | 67° | — | — |
| 1990 | 61° | 34° | 47° | — | — |
| 1989 | 82° | 65° | 73° | — | — |
| 1988 | 59° | 42° | 51° | — | — |
| 1987 | 81° | 47° | 64° | — | — |
| 1986 | 62° | 37° | 50° | — | — |
| 1985 | 67° | 60° | 63° | 1.47" | — |
| 1984 | 53° | 41° | 47° | — | — |
| 1983 | 68° | 37° | 53° | — | — |
| 1982warmest | 85° | 68° | 76° | — | — |
| 1981 | 71° | 41° | 56° | — | — |
| 1980 | 76° | 49° | 62° | 0.22" | — |
| 1979 | 80° | 54° | 67° | — | — |
| 1978 | 72° | 54° | 63° | — | — |
| 1977 | 74° | 57° | 65° | — | — |
| 1976 | 83° | 56° | 69° | 0.05" | — |
| 1975 | 74° | 42° | 58° | — | — |
| 1974 | 85° | 54° | 69° | 0.24" | — |
| 1973 | 69° | 51° | 60° | — | — |
| 1972 | 78° | 60° | 69° | 1.05" | — |
| 1971coldest | 58° | 33° | 45° | — | — |
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
Most pleasant months in Baton Rouge, LA: February, March, April, October, November.
What to expect on March 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
March 21st outlook →