Typical Weather in San Antonio, TX in March
74° F Avg High
51° F Avg Low
4 Rainy Days
☀️ Temperature Summary
While still warm, March is one of the cooler months of the year for San Antonio, with highs averaging around 74°F. Lows overnight are typically around 51°F. Temperatures will generally increase as the month goes on, with daily high temperatures ranging between 70°F and 77°F.
The warm, dry temperatures in March make San Antonio a great destination to relax and soak up the sun.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In March you can expect close to a 13% chance of rain for any given day. It rains more than usual in March, with total rainfall for the month typically near 2 inches.
Rainfall Throughout the Year
Planning a trip to San Antonio? Try our free trip weather planner