In December, Brownsville typically sees daytime highs of 21.6°C and overnight lows around 12.2°C. Compared to the annual average high of 27.5°C, December runs -5.9°C.
December in Brownsville averages a daytime high of 21.6°C and an overnight low of 12.2°C.
December runs -5.9°C compared to Brownsville's annual average high of 27.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 21.6°C and cooler evenings around 12.2°C.