Historical weather data, all-time temperature records, and monthly climate averages for Rosamond, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 in Rosamond is a classic desert spring day — expect a high around 69° and a low of 43°, with only a 10% chance of rain. The date has seen plenty of range over the years, from a chilly 31° in 2009 to a blazing 89° in 2021. Comfortable, but don't pack away the jacket just yet.
Rosamond earns its Mojave Desert credentials: temperatures have swung from a scorching 115° on June 30, 2013, to a brutal 2° on Christmas Eve 1984. That same December brought 12 inches of snow in a single day, and a freak August storm in 2023 dumped 3.59 inches of rain — a reminder that the extremes here are no joke.
Rosamond runs hot and dry for most of the year, with late July peaking around 99° and winters topping out in the mid-50s. If you're chasing warmth, May through September delivers, with June through August averaging highs in the 90s. The wettest stretch is the final week of December, though even then you're only looking at about half an inch.