In July, San Martin typically sees daytime highs of 15.8°C and overnight lows around 2.0°C. Compared to the annual average high of 24.9°C, July runs -9.1°C.
July in San Martin averages a daytime high of 15.8°C and an overnight low of 2.0°C.
July runs -9.1°C compared to San Martin's annual average high of 24.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 15.8°C and cooler evenings around 2.0°C.