In February, San Marcos typically sees daytime highs of 18.6°C and overnight lows around 5.3°C. Compared to the annual average high of 26.3°C, February runs -7.7°C.
February in San Marcos averages a daytime high of 18.6°C and an overnight low of 5.3°C.
February runs -7.7°C compared to San Marcos's annual average high of 26.3°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 18.6°C and cooler evenings around 5.3°C.