Weather in Napa in May
Napa, United States averages a high of 24.4°C (75.9°F) and low of 11.2°C (52.2°F) in May, with 3 rain days and 12.7 hours of daily sunshine. Travel score: 91.9/100 (Excellent). The best time to visit Napa is July.
High
24°C76°F
Low
11°C52°F
🌧️
3
rain days
☀️
12.7
hrs/day sunshine
💧
63%
humidity
92— Excellent
May in Napa is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Napa?
How much does it rain in Napa in May?
Napa receives an average of 20.7mm of rainfall across 3 rainy days in May. The annual total is 608.5mm.
What should I pack for Napa in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
🎉Visiting United States in May?
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