Historical weather data, all-time temperature records, and monthly climate averages for Santa Paula, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Santa Paula is a mild, mostly dry day by the numbers — 43 years of data put the average high at 68° and the low at 47°, with only a 14% chance of any precipitation. The range on this date has been surprisingly wide, from a warm 82° in 2022 to a chilly 38° low just last year in 2023.
Santa Paula's weather has some real teeth at the extremes — the thermometer has touched 108° (October 2015) and plunged to 25° (January 1963), a 83-degree spread over the record period. The wettest single day on record dumped 4.91 inches on March 20, 2011, a reminder that when winter storms hit the Ventura County foothills, they mean business.
Santa Paula is remarkably consistent year-round, with monthly average highs ranging only from 65° in late December to 79° in early September — a tight band by most standards. If you want warmth, aim for August through October; if you want to avoid rain, summer is your best bet, while late January is when storm systems are most likely to roll through.