In October, San Martin typically sees daytime highs of 26.3°C and overnight lows around 11.2°C. Compared to the annual average high of 24.9°C, October runs +1.3°C.
October in San Martin averages a daytime high of 26.3°C and an overnight low of 11.2°C.
October runs +1.3°C compared to San Martin's annual average high of 24.9°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.3°C and cooler evenings around 11.2°C.