Weather in San Marcos in March
San Marcos, United States averages a high of 17.9°C (64.2°F) and low of 8.4°C (47.1°F) in March, with 6 rain days and 10.9 hours of daily sunshine. Travel score: 78.1/100 (Good). The best time to visit San Marcos is August.
High
18°C64°F
Low
8°C47°F
🌧️
6
rain days
☀️
10.9
hrs/day sunshine
💧
76%
humidity
78— Good
March in San Marcos is mild and mostly dry — good for most activities.
What are the average temperatures in San Marcos?
How much does it rain in San Marcos in March?
San Marcos receives an average of 53.2mm of rainfall across 6 rainy days in March. The annual total is 354.1mm.
What should I pack for San Marcos in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉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