Weather in Vacaville in May
Vacaville, United States averages a high of 25.6°C (78.1°F) and low of 11.8°C (53.2°F) in May, with 3 rain days and 12.9 hours of daily sunshine. Travel score: 93.4/100 (Excellent). The best time to visit Vacaville is August.
High
26°C78°F
Low
12°C53°F
🌧️
3
rain days
☀️
12.9
hrs/day sunshine
💧
57%
humidity
93— Excellent
May in Vacaville is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Vacaville?
How much does it rain in Vacaville in May?
Vacaville receives an average of 18.8mm of rainfall across 3 rainy days in May. The annual total is 553.1mm.
What should I pack for Vacaville in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 14°C from day to night
🎉Visiting United States in May?
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Data based on 1994–2024 averages · Last updated: 2024-12-31