In December, Baton Rouge typically sees daytime highs of 18.2°C and overnight lows around 5.5°C. Compared to the annual average high of 25.9°C, December runs -7.8°C.
December in Baton Rouge averages a daytime high of 18.2°C and an overnight low of 5.5°C.
December runs -7.8°C compared to Baton Rouge's annual average high of 25.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 5.5°C.