Weather in San Antonio in March
San Antonio, United States averages a high of 23.1°C (73.6°F) and low of 12.2°C (54°F) in March, with 9 rain days and 8 hours of daily sunshine. Travel score: 77.1/100 (Good). The best time to visit San Antonio is September.
High
23°C74°F
Low
12°C54°F
🌧️
9
rain days
☀️
8
hrs/day sunshine
💧
68%
humidity
77— Good
March in San Antonio is warm and occasionally wet — good for most activities.
What are the average temperatures in San Antonio?
How much does it rain in San Antonio in March?
San Antonio receives an average of 74.1mm of rainfall across 9 rainy days in March. The annual total is 832.6mm.
What should I pack for San Antonio in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°C
🧴
Sunscreen SPF 30+
8 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 March?
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