Weather in Vacaville in August
Vacaville, United States averages a high of 31.8°C (89.2°F) and low of 15.4°C (59.7°F) in August, with 0 rain days and 12.9 hours of daily sunshine. Travel score: 99.3/100 (Excellent). The best time to visit Vacaville is August.
High
32°C89°F
Low
15°C60°F
🌧️
0
rain days
☀️
12.9
hrs/day sunshine
💧
55%
humidity
99— Excellent
August in Vacaville is hot and dry — excellent conditions for exploring.
What are the average temperatures in Vacaville?
How much does it rain in Vacaville in August?
Vacaville receives an average of 1.1mm of rainfall across 0 rainy days in August. The annual total is 553.1mm.
What should I pack for Vacaville in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 32°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 16°C from day to night
Traveling to United States in August?
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