In January, San Rafael typically sees daytime highs of 32.0°C and overnight lows around 15.2°C. Compared to the annual average high of 23.7°C, January runs +8.3°C.
January in San Rafael averages a daytime high of 32.0°C and an overnight low of 15.2°C.
January runs +8.3°C compared to San Rafael's annual average high of 23.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 32.0°C and cooler evenings around 15.2°C.