In March, San Martin typically sees daytime highs of 28.5°C and overnight lows around 14.6°C. Compared to the annual average high of 24.9°C, March runs +3.5°C.
March in San Martin averages a daytime high of 28.5°C and an overnight low of 14.6°C.
March runs +3.5°C compared to San Martin's annual average high of 24.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 28.5°C and cooler evenings around 14.6°C.