Weather in San Jose in January
San Jose, United States averages a high of 14.9°C (58.8°F) and low of 6.3°C (43.3°F) in January, with 9 rain days and 7.5 hours of daily sunshine. Travel score: 65.2/100 (Good). The best time to visit San Jose is July.
High
15°C59°F
Low
6°C43°F
🌧️
9
rain days
☀️
7.5
hrs/day sunshine
💧
77%
humidity
65— Good
January in San Jose is cool and occasionally wet — good for most activities.
What are the average temperatures in San Jose?
How much does it rain in San Jose in January?
San Jose receives an average of 119mm of rainfall across 9 rainy days in January. The annual total is 596.3mm.
What should I pack for San Jose in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 15°C
🧶
Sweaters and warm layers
Layer up for comfort
🎉Visiting United States in January?
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