Climate in Sunnyvale: Temperature, Rainfall, Humidity & Sunshine

Global Climate Score

Sunnyvale benefits from a quintessential Mediterranean climate characterized by warm, dry summers and mild, comfortable winters. The city enjoys over 300 days of glorious sunshine annually, making outdoor activities a year-round lifestyle choice. Rainfall is heavily concentrated in the winter months, leaving summers virtually free of disruptive humidity or precipitation. Temperatures rarely reach extreme lows, ensuring cozy conditions without harsh winter snowstorms or freezing winds. This remarkably stable and pleasant weather pattern is widely considered one of the region greatest draws.