Baton Rouge climate
Baton Rouge is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 7.3 °C. August is the wettest month (135 mm) and October the driest (89 mm). Figures are 1991–2020 climate normals.
Across a full year Baton Rouge averages 1,354 mm of rain, 203 days above 25 °C and 5 days below freezing.
United States · 14 m elevation · population 227,470 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 32 °C
- Coldest month January 7.3 °C
- Driest month October 89 mm
- Wettest month August 135 mm
- Least cloud October 41 % cloud
- Hottest on record August 41 °C
- Coldest on record January -8.9 °C
What to expectBaton Rouge through the year
Baton Rouge has a clear annual cycle: average daily highs run from 16 °C in January to 32 °C in August, a swing of 16 °C in mean temperature across the year.
Counted across a normal year, 203 days a year reach 25 °C, 107 of them reach 30 °C, 5 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in August.
Rain is spread fairly evenly through the year, from 89 mm in October to 135 mm in August. There is no dry season to aim for.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 16.4 °C | 125 mm | 58 % |
| February | 18.5 °C | 117 mm | 60 % |
| March | 21.7 °C | 117 mm | 57 % |
| April | 25.2 °C | 118 mm | 52 % |
| May | 29.0 °C | 103 mm | 50 % |
| June | 31.3 °C | 122 mm | 52 % |
| July | 31.9 °C | 132 mm | 56 % |
| August | 32.0 °C | 135 mm | 55 % |
| September | 30.2 °C | 96 mm | 47 % |
| October | 26.3 °C | 89 mm | 41 % |
| November | 21.1 °C | 90 mm | 47 % |
| December | 17.5 °C | 112 mm | 58 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 16.4 °C | 7.3 °C | 11.1 °C | 26.0 °C | -8.9 °C | 0 | 0 | 3 |
| February | 18.5 °C | 9.0 °C | 13.1 °C | 26.9 °C | -6.7 °C | 2 | 0 | 1 |
| March | 21.7 °C | 12.1 °C | 16.3 °C | 29.8 °C | -2.6 °C | 7 | 0 | 0 |
| April | 25.2 °C | 15.5 °C | 19.9 °C | 34.2 °C | 3.1 °C | 17 | 1 | 0 |
| May | 29.0 °C | 19.6 °C | 23.9 °C | 35.3 °C | 8.1 °C | 29 | 11 | 0 |
| June | 31.3 °C | 22.9 °C | 26.7 °C | 38.2 °C | 16.0 °C | 30 | 22 | 0 |
| July | 31.9 °C | 24.1 °C | 27.5 °C | 37.8 °C | 18.6 °C | 31 | 26 | 0 |
| August | 32.0 °C | 24.0 °C | 27.5 °C | 41.1 °C | 16.4 °C | 31 | 26 | 0 |
| September | 30.2 °C | 21.9 °C | 25.6 °C | 39.9 °C | 11.9 °C | 29 | 18 | 0 |
| October | 26.3 °C | 16.9 °C | 21.1 °C | 35.7 °C | 3.0 °C | 21 | 3 | 0 |
| November | 21.1 °C | 11.7 °C | 15.7 °C | 29.9 °C | -3.6 °C | 5 | 0 | 0 |
| December | 17.5 °C | 8.6 °C | 12.3 °C | 27.1 °C | -4.5 °C | 1 | 0 | 1 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 125 mm | 10 | 10 h/day | 58 % | 76 % | 17 km/h |
| February | 117 mm | 9 | 11 h/day | 60 % | 76 % | 18 km/h |
| March | 117 mm | 10 | 12 h/day | 57 % | 76 % | 18 km/h |
| April | 118 mm | 9 | 13 h/day | 52 % | 75 % | 18 km/h |
| May | 103 mm | 10 | 14 h/day | 50 % | 75 % | 15 km/h |
| June | 122 mm | 14 | 14 h/day | 52 % | 78 % | 13 km/h |
| July | 132 mm | 16 | 14 h/day | 56 % | 80 % | 12 km/h |
| August | 135 mm | 16 | 13 h/day | 55 % | 79 % | 12 km/h |
| September | 96 mm | 11 | 12 h/day | 47 % | 77 % | 13 km/h |
| October | 89 mm | 8 | 11 h/day | 41 % | 72 % | 15 km/h |
| November | 90 mm | 8 | 11 h/day | 47 % | 74 % | 16 km/h |
| December | 112 mm | 10 | 10 h/day | 58 % | 77 % | 17 km/h |
How Baton Rouge compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Baton Rouge | 32 °C | 7.3 °C | 1,354 mm | 203 |
| New Orleans · United States | 31 °C | 9.4 °C | 1,392 mm | 189 |
| Jackson · United States | 33 °C | 4.1 °C | 1,256 mm | 184 |
| Mobile · United States | 31 °C | 7.5 °C | 1,395 mm | 184 |
| Shreveport · United States | 34 °C | 4.6 °C | 1,233 mm | 186 |
Planning a trip? See the best time to visit Baton Rouge.
QuestionsCommon questions about Baton Rouge’s climate
When is the best time to visit Baton Rouge?
That depends on what you want, so the honest answer is a comparison rather than a single month. March, April, October sit closest to 20 °C on average, August is the warmest month and October the driest. The month-by-month table above has the full picture.
How hot does Baton Rouge get?
In August, the warmest month, daily highs average 32 °C. About 107 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.
How cold does it get in winter?
Nights average 7.3 °C in January, the coldest month. A normal year has 5 nights below freezing.
Which month is wettest in Baton Rouge?
August, averaging 135 mm over 16 days with rain. The driest month is October with 89 mm. The year as a whole averages 1,354 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Baton Rouge rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.