Historical weather data, all-time temperature records, and monthly climate averages for Paramount, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Paramount typically lands right in the comfortable mid-spring groove, with average highs of 71° and a slim 13% chance of rain. The date has a wild range in the record books, though — from a frigid 41° low back in 1955 to a scorching 105° high in 1989.
Paramount's all-time records tell the story of a city that can genuinely surprise you. The thermometer has swung from a brutal 25° freeze in January 1963 all the way up to 111° during a September 2010 heat event, and a single January day in 1956 dumped over 5 inches of rain.
Paramount enjoys a classic Southern California pattern with remarkably mild winters — even January averages a 67° high — and a late-summer peak around early September at 85°. If you're avoiding rain, steer clear of February, when weekly precipitation averages nearly 0.8 inches. Spring through fall is broadly pleasant, with the heat building gradually from May through August.