In December, San Fernando typically sees daytime highs of 16.6°C and overnight lows around 9.0°C. Compared to the annual average high of 21.5°C, December runs -4.9°C.
December in San Fernando averages a daytime high of 16.6°C and an overnight low of 9.0°C.
December runs -4.9°C compared to San Fernando's annual average high of 21.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 16.6°C and cooler evenings around 9.0°C.