Climate in Cupertino: Temperature, Rainfall, Humidity & Sunshine

Global Climate Score

The city enjoys a classic Mediterranean climate characterized by warm, dry summers and mild, comfortable winters. Ample sunshine prevails across the region for the vast majority of the year, supporting an active outdoor lifestyle. Rainfall is concentrated mostly during the cooler winter months, leaving summers completely pleasant and precipitation-free. Gentle breezes originating from the nearby San Francisco Bay moderate temperatures during hot afternoons. This favorable weather pattern makes outdoor recreation enjoyable throughout all four seasons.