In January, San Rafael typically sees daytime highs of 12.6°C and overnight lows around 5.9°C. Compared to the annual average high of 16.7°C, January runs -4.1°C.
January in San Rafael averages a daytime high of 12.6°C and an overnight low of 5.9°C.
January runs -4.1°C compared to San Rafael's annual average high of 16.7°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 12.6°C and cooler evenings around 5.9°C.