In November, San Marcos typically sees daytime highs of 21.4°C and overnight lows around 8.5°C. Compared to the annual average high of 26.3°C, November runs -4.9°C.
November in San Marcos averages a daytime high of 21.4°C and an overnight low of 8.5°C.
November runs -4.9°C compared to San Marcos's annual average high of 26.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 21.4°C and cooler evenings around 8.5°C.