In December, San Francisco El Alto typically sees daytime highs of 17.5°C and overnight lows around 5.1°C. Compared to the annual average high of 18.8°C, December runs -1.2°C.
December in San Francisco El Alto averages a daytime high of 17.5°C and an overnight low of 5.1°C.
December runs -1.2°C compared to San Francisco El Alto's annual average high of 18.8°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 5.1°C.