In July, San Francisco typically sees daytime highs of 17.9°C and overnight lows around 4.9°C. Compared to the annual average high of 24.7°C, July runs -6.8°C.
July in San Francisco averages a daytime high of 17.9°C and an overnight low of 4.9°C.
July runs -6.8°C compared to San Francisco's annual average high of 24.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 17.9°C and cooler evenings around 4.9°C.