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Baton Rouge, LA Weather on August 12
August 12th in Baton Rouge, LA typically brings hot summer weather, with average highs around 91°F and lows near 73°F. Over 55 years of records, the warmest August 12th was in 2023 (91°F average), while the coldest was 1996 (76°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 12th dates historically, with the wettest August 12th recording 3.15" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
What to Expect on August 12
Planning for August 12th in Baton Rouge, LA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
August 12 Weather Records for Baton Rouge
- •The all-time record high for August 12th in Baton Rouge, LA is 103°F, set in 2007.
- •The coldest August 12th on record dropped to 66°F in 1990.
- •Temperatures have reached 90°F or higher on August 12th in 39 of the last 55 years.
Frequently Asked Questions
What was the warmest August 12 ever in Baton Rouge?
The warmest August 12 in Baton Rouge, LA reached 103°F in 2007. That is 12°F above the long-term average high of 91°F.
What was the coldest August 12 ever in Baton Rouge?
The coldest August 12 in Baton Rouge, LA dropped to 66°F in 1990. That is 7°F below the long-term average low of 73°F.
What is the average temperature on August 12 in Baton Rouge?
On August 12, Baton Rouge averages a high of 91°F and a low of 73°F based on 55 years of NOAA weather observations from LSU BEN-HUR FARM.
How many years of weather data are available for August 12 in Baton Rouge?
We have 55 years of weather records for August 12 in Baton Rouge, LA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 12 Weather History in Baton Rouge
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 93°F | 76°F | 0" | -- |
| 2024 | 98°F | 75°F | 0" | -- |
| 2023 | 102°F | 81°F | 0" | -- |
| 2022 | 90°F | 73°F | 0" | -- |
| 2021 | 89°F | 70°F | 0" | -- |
| 2020 | 97°F | 78°F | 0" | -- |
| 2019 | 96°F | 79°F | 0" | -- |
| 2018 | 86°F | 72°F | 0.03" | -- |
| 2017 | 90°F | 75°F | 0.05" | -- |
| 2016 | 83°F | 73°F | 3.15" | -- |
| 2015 | 88°F | 75°F | 0.13" | -- |
| 2014 | 90°F | 70°F | 0.15" | -- |
| 2013 | 87°F | 74°F | 0.19" | -- |
| 2012 | 89°F | 71°F | 0.03" | -- |
| 2011 | 96°F | 79°F | 0" | -- |
| 2010 | 93°F | 78°F | 0" | -- |
| 2009 | 92°F | 73°F | 0" | -- |
| 2008 | 90°F | 74°F | 0.27" | -- |
| 2007 | 103°F | 73°F | 0" | -- |
| 2006 | 94°F | 73°F | 0" | -- |
| 2005 | 94°F | 74°F | 0" | -- |
| 2004 | 94°F | 72°F | 0" | -- |
| 2003 | 88°F | 74°F | 0.01" | -- |
| 2002 | 89°F | 71°F | 0" | -- |
| 2001 | 91°F | 73°F | 0.08" | -- |
| 2000 | 91°F | 71°F | 0" | -- |
| 1999 | 94°F | 77°F | 0" | -- |
| 1998 | 96°F | 74°F | 0" | -- |
| 1997 | 94°F | 73°F | 0.02" | -- |
| 1996 | 81°F | 72°F | 1.03" | -- |
| 1995 | 95°F | 73°F | 0" | -- |
| 1994 | 92°F | 70°F | 0" | -- |
| 1993 | 95°F | 72°F | 0" | -- |
| 1992 | 88°F | 71°F | 0" | -- |
| 1991 | 90°F | 71°F | 0.01" | -- |
| 1990 | 90°F | 66°F | 0" | -- |
| 1989 | 89°F | 67°F | 0" | -- |
| 1988 | 91°F | 70°F | 0" | -- |
| 1987 | 85°F | 75°F | 2.97" | -- |
| 1986 | 84°F | 71°F | 0.18" | -- |
| 1985 | 93°F | 69°F | 0.28" | -- |
| 1984 | 88°F | 71°F | 0.42" | -- |
| 1983 | 90°F | 73°F | 1.05" | -- |
| 1982 | 93°F | 69°F | 0.01" | -- |
| 1981 | 93°F | 71°F | 0.01" | -- |
| 1980 | 93°F | 72°F | 0" | -- |
| 1979 | 91°F | 71°F | 0" | -- |
| 1978 | 91°F | 74°F | 0" | -- |
| 1977 | 87°F | 74°F | 0.06" | -- |
| 1976 | 92°F | 69°F | 0" | -- |
| 1975 | 89°F | 69°F | 0.77" | -- |
| 1974 | 93°F | 69°F | 0" | -- |
| 1973 | 91°F | 71°F | 0.19" | -- |
| 1972 | 94°F | 70°F | 0" | -- |
| 1971 | 91°F | 75°F | 0" | -- |
Based on 55 years of data from NOAA station: LSU BEN-HUR FARM
Monthly Climate Averages
Historical temperature and precipitation averages for Baton Rouge, LA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.