In December, Rosarito typically sees daytime highs of 19.0°C and overnight lows around 8.7°C. Compared to the annual average high of 21.4°C, December runs -2.4°C.
December in Rosarito averages a daytime high of 19.0°C and an overnight low of 8.7°C.
December runs -2.4°C compared to Rosarito's annual average high of 21.4°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 8.7°C.