San Clemente Island, CA weather in August 1978

Temperature for August 1978

In August 1978 the average high temperature in San Clemente Island, CA was 74.6°F, and this was 2.9°F warmer than the average of 71.6°F. The hottest day in August 1978 was 29 August when the temperature reached 78.1°F. Overnight the average temperature in August is 62.4°F and in 1978 the average overnight temperature was 1.0°F cooler at 61.5°F.

Precipitation for August 1978

In August the average monthly rainfall in San Clemente Island, CA is 0.07 inches with rain usually falling on 1 days. In August 1978 there was a total of 0.00 inches of rain, that fell on 0 days.