In December, San Fernando typically sees daytime highs of 29.7°C and overnight lows around 21.4°C. Compared to the annual average high of 30.6°C, December runs -1.0°C.
December in San Fernando averages a daytime high of 29.7°C and an overnight low of 21.4°C.
December runs -1.0°C compared to San Fernando's annual average high of 30.6°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 29.7°C and cooler evenings around 21.4°C.