In April, San Martin typically sees daytime highs of 23.7°C and overnight lows around 10.1°C. Compared to the annual average high of 24.9°C, April runs -1.2°C.
April in San Martin averages a daytime high of 23.7°C and an overnight low of 10.1°C.
April runs -1.2°C compared to San Martin's annual average high of 24.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 23.7°C and cooler evenings around 10.1°C.