Weather in Napa in March
Napa, United States averages a high of 17.9°C (64.2°F) and low of 7.2°C (45°F) in March, with 8 rain days and 9.4 hours of daily sunshine. Travel score: 73.6/100 (Good). The best time to visit Napa is July.
High
18°C64°F
Low
7°C45°F
🌧️
8
rain days
☀️
9.4
hrs/day sunshine
💧
74%
humidity
74— Good
March in Napa is mild and occasionally wet — good for most activities.
What are the average temperatures in Napa?
How much does it rain in Napa in March?
Napa receives an average of 87.1mm of rainfall across 8 rainy days in March. The annual total is 608.5mm.
What should I pack for Napa in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧥
Light rain jacket
Some rainy days expected (8 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in March?
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