In July, San Isidro typically sees daytime highs of 19.8°C and overnight lows around 14.2°C. Compared to the annual average high of 22.9°C, July runs -3.1°C.
July in San Isidro averages a daytime high of 19.8°C and an overnight low of 14.2°C.
July runs -3.1°C compared to San Isidro's annual average high of 22.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 14.2°C.