In April, San Clemente typically sees daytime highs of 20.2°C and overnight lows around 10.4°C. Compared to the annual average high of 22.2°C, April runs -2.0°C.
April in San Clemente averages a daytime high of 20.2°C and an overnight low of 10.4°C.
April runs -2.0°C compared to San Clemente's annual average high of 22.2°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 20.2°C and cooler evenings around 10.4°C.