Historical weather data, all-time temperature records, and monthly climate averages for South Yuba City, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in South Yuba City runs mild, with highs averaging 68° and lows around 48° across 12 years of records. There's a 1-in-4 chance of rain, so don't put the umbrella away just yet. The date's range is wide though — it's hit 84° (1962) and dropped to 41° (1964), so spring here keeps you guessing.
South Yuba City plays for keeps on the extremes. The all-time high of 111° in June 1961 puts it firmly in Sacramento Valley heat territory, while the record low of 22° in January 1963 shows winters have teeth. The wettest single day on record — 5.52" on October 13, 1962 — is a reminder that fall storms here can unload fast.
Summer is the dominant season here: highs average 97° in mid-July, and the heat lingers well into September at 87°. Winters are mild but not warm, with January highs barely cracking 49°. If you're chasing rain, mid-January is your window — the wettest week of the year averages 1.45" of precipitation.