Weather in San Antonio in April
San Antonio, United States averages a high of 26.9°C (80.4°F) and low of 15.9°C (60.6°F) in April, with 9 rain days and 9.5 hours of daily sunshine. Travel score: 84.2/100 (Excellent). The best time to visit San Antonio is September.
High
27°C80°F
Low
16°C61°F
🌧️
9
rain days
☀️
9.5
hrs/day sunshine
💧
67%
humidity
84— Excellent
April in San Antonio is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in San Antonio?
How much does it rain in San Antonio in April?
San Antonio receives an average of 80.5mm of rainfall across 9 rainy days in April. The annual total is 832.6mm.
What should I pack for San Antonio in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting United States in April?
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