Historical weather data, all-time temperature records, and monthly climate averages for Valle Vista, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Valle Vista runs mild, with an average high of 74° and low of 45° across 85 years of records. The date has swung hard in both directions — hitting 91° back in 2000 and dipping to a near-freeze 33° just a year earlier in 1999. Rain is essentially a non-factor, with only a 6% chance of any precipitation.
Valle Vista plays in extremes — the thermometer has reached a scorching 116° in August 1997 and plunged to 21° in December 2007, a 95-degree spread between the all-time records. A single February day in 2019 dumped 4.6 inches of rain, and a January storm back in 1949 left 4.5 inches of snow on the ground.
Summer owns Valle Vista, with late August into early September averaging a blazing 99° high — and the heat lingers well into fall, with October still averaging 84°. If you're looking for the coolest escape window, mid-to-late February tops out around 65°. Wet weather is concentrated in late winter, peaking the last week of February into early March.