santa monica weather averages and climate santa monica, california. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall,. on average, santa monica gets 0. 005 inches of precipitation in august. August is also the month where rain is least common. Only 1. 2% of days in august will have measurable rain. Hawthorne municipal airport, usa). See more current weather. Annual weather averages near santa monica. Averages are for los. National weather service forecast office, los. the precipitation diagram for santa monica shows on how many days per month, certain precipitation amounts are reached. In tropical and monsoon climates, the amounts may. find accurate weather data for santa monica. Climate charts different locations high accuracy
