Historical weather data, all-time temperature records, and monthly climate averages for Anderson, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Anderson runs mild, with average highs near 68° and lows around 44°. There's a one-in-three chance of rain today, though snow is essentially off the table. The date has swung hard in both directions — a scorching 89° back in 2007, and a freezing 32° low in 2012.
Anderson plays for keeps when it comes to extremes — the thermometer hit 119° on July 6, 2024, one of the most punishing readings anywhere in Northern California. Winters can bite too, with an all-time low of 16° recorded in January 2012. The wettest single day on record dropped 4.33 inches on February 2, 2025.
Summers here are brutally hot, with late July averaging highs of 101° and June through September all clearing 90°. If you're heat-averse, aim for November through March, when highs stay in the 50s and 60s. Rain is almost entirely a winter affair — the wettest stretch of the year falls in late December, averaging nearly 1.8 inches in a single week.