Weather in Cupertino in December

Cupertino, United States averages a high of 14.3°C (57.7°F) and low of 6.6°C (43.9°F) in December, with 9 rain days and 7.3 hours of daily sunshine. Travel score: 64.1/100 (Good). The best time to visit Cupertino is July.

High
14°C58°F
Low
7°C44°F
🌧️
9
rain days
☀️
7.3
hrs/day sunshine
💧
77%
humidity
64Good

December in Cupertino is cool and occasionally wet — good for most activities.

What are the average temperatures in Cupertino?

JanFebMarAprMayJunJulAugSepOctNovDec14°7°

How much does it rain in Cupertino in December?

Cupertino receives an average of 116.6mm of rainfall across 9 rainy days in December. The annual total is 589.5mm.

JanFebMarAprMayJunJulAugSepOctNovDec9d

What should I pack for Cupertino in December?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 14°C
🧶
Sweaters and warm layers
Layer up for comfort

🎉Visiting United States in December?

Don't miss any public holidays — check before you book!

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Data based on 1994–2024 averages · Last updated: 2024-12-31