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Baton Rouge Weather by Month
Average temperatures, rainfall and humidity for Baton Rouge, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Baton Rouge month looks like before you travel — then check the live Baton Rouge forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
6°C average low
Wettest month
December
108 mm of rain
Driest month
February
57 mm of rain
Average temperature and rainfall in Baton Rouge by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 17°C | 6°C | -16°C / 28°C | 77 mm | 72% | 11 km/h |
| February | 21°C | 10°C | -7°C / 31°C | 57 mm | 73% | 12 km/h |
| March | 24°C | 13°C | -4°C / 31°C | 63 mm | 70% | 12 km/h |
| April | 26°C | 15°C | 2°C / 32°C | 75 mm | 72% | 12 km/h |
| May | 30°C | 19°C | 4°C / 36°C | 89 mm | 75% | 10 km/h |
| June | 32°C | 23°C | 16°C / 37°C | 78 mm | 78% | 9 km/h |
| July | 33°C | 24°C | 17°C / 38°C | 64 mm | 78% | 8 km/h |
| August | 33°C | 24°C | 16°C / 40°C | 81 mm | 76% | 8 km/h |
| September | 32°C | 22°C | 10°C / 38°C | 59 mm | 76% | 8 km/h |
| October | 28°C | 16°C | 2°C / 35°C | 76 mm | 73% | 9 km/h |
| November | 22°C | 11°C | -6°C / 32°C | 88 mm | 74% | 10 km/h |
| December | 19°C | 9°C | -6°C / 29°C | 108 mm | 77% | 10 km/h |
Best time to visit Baton Rouge
The most comfortable time to visit Baton Rouge is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 914 mm a year.
Travellers who prefer heat should aim for August, when highs average 33°C. December is the month to avoid if rain would spoil your plans — it averages 108 mm, roughly 2× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Baton Rouge forecast for what is happening now.