In February, San Marcos typically sees daytime highs of 31.1°C and overnight lows around 18.0°C. Compared to the annual average high of 30.2°C, February runs +0.9°C.
February in San Marcos averages a daytime high of 31.1°C and an overnight low of 18.0°C.
February runs +0.9°C compared to San Marcos's annual average high of 30.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 18.0°C.