Weather in San Antonio in August
San Antonio, United States averages a high of 35.2°C (95.4°F) and low of 24.8°C (76.6°F) in August, with 6 rain days and 12 hours of daily sunshine. Travel score: 85.6/100 (Excellent). The best time to visit San Antonio is September.
High
35°C95°F
Low
25°C77°F
🌧️
6
rain days
☀️
12
hrs/day sunshine
💧
62%
humidity
86— Excellent
August in San Antonio is very hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in San Antonio?
How much does it rain in San Antonio in August?
San Antonio receives an average of 53.1mm of rainfall across 6 rainy days in August. The annual total is 832.6mm.
What should I pack for San Antonio in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 35°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in August?
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