Weather in Sunnyvale in January
Sunnyvale, United States averages a high of 14.4°C (57.9°F) and low of 6.4°C (43.5°F) in January, with 9 rain days and 7.5 hours of daily sunshine. Travel score: 64.3/100 (Good). The best time to visit Sunnyvale is July.
High
14°C58°F
Low
6°C44°F
🌧️
9
rain days
☀️
7.5
hrs/day sunshine
💧
80%
humidity
64— Good
January in Sunnyvale is cool and occasionally wet — good for most activities.
What are the average temperatures in Sunnyvale?
How much does it rain in Sunnyvale in January?
Sunnyvale receives an average of 119.7mm of rainfall across 9 rainy days in January. The annual total is 589.5mm.
What should I pack for Sunnyvale in January?
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
Traveling to United States in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Sunnyvale
Popular comparisons:
How can I plan my trip to Sunnyvale?
What other cities are near Sunnyvale?
What are other popular cities in United States?
What is the weather like in other months in Sunnyvale?
Data based on 1994–2024 averages · Last updated: 2024-12-31