In August, San Isidro typically sees daytime highs of 19.7°C and overnight lows around 14.3°C. Compared to the annual average high of 22.9°C, August runs -3.2°C.
August in San Isidro averages a daytime high of 19.7°C and an overnight low of 14.3°C.
August runs -3.2°C compared to San Isidro's annual average high of 22.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 19.7°C and cooler evenings around 14.3°C.