Weather in Vallejo in January
Vallejo, United States averages a high of 13.8°C (56.8°F) and low of 5.5°C (41.9°F) in January, with 9 rain days and 6.8 hours of daily sunshine. Travel score: 61/100 (Good). The best time to visit Vallejo is September.
High
14°C57°F
Low
6°C42°F
🌧️
9
rain days
☀️
6.8
hrs/day sunshine
💧
82%
humidity
61— Good
January in Vallejo is cool and occasionally wet — good for most activities.
What are the average temperatures in Vallejo?
How much does it rain in Vallejo in January?
Vallejo receives an average of 105.2mm of rainfall across 9 rainy days in January. The annual total is 527.7mm.
What should I pack for Vallejo 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.
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Data based on 1994–2024 averages · Last updated: 2024-12-31