In February, South San Francisco typically sees daytime highs of 14.7°C and overnight lows around 6.7°C. Compared to the annual average high of 17.7°C, February runs -3.0°C.
February in South San Francisco averages a daytime high of 14.7°C and an overnight low of 6.7°C.
February runs -3.0°C compared to South San Francisco's annual average high of 17.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 14.7°C and cooler evenings around 6.7°C.