San Antonio weather in March
March in San Antonio averages 74°F by day and 52°F at night, with 2.3 inches of precipitation. It is the 8th-warmest and 7th-wettest month of the year here.
- Average high
- 74°F+6° vs February
- Average low
- 52°F1 nights below freezing
- Precipitation
- 2.3 in4 days with 0.1 in. or more
- Snow
- 0.0 in1 days at 90°F+
Is March a good time to visit San Antonio?
Yes. March is one of the most comfortable months in San Antonio by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are February to April and October to December.
Get outside in San Antonio in March
March is made for being outside. Try Six Flags Fiesta Texas, Milam Park. All things to do in San Antonio.
On March 15 the sun rises at 7:43 am and sets at 7:42 pm, giving 11h 58m of daylight. Daylight all year.
What to pack for San Antonio in March
- T-shirts and a light jacket or sweater
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
March nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| San Antonio | 74°F | 52°F | 2.3 in | |
| New Braunfels, TX | 28 mi | 75°F | 51°F | 2.5 in |
| San Marcos, TX | 53 mi | 73°F | 49°F | 2.9 in |
| Austin, TX | 74 mi | 73°F | 52°F | 2.9 in |
| Cedar Park, TX | 83 mi | 73°F | 52°F | 2.9 in |
| Leander, TX | 87 mi | 73°F | 52°F | 2.9 in |
| Georgetown, TX | 95 mi | 72°F | 47°F | 3.1 in |
Frequently asked questions
What is the weather like in San Antonio in March?
In March, San Antonio averages a high of 74°F and a low of 52°F, with 2.3 inches of precipitation (NOAA 1991-2020 normals).
Is March a good time to visit San Antonio?
Yes. March is one of San Antonio's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.
Does it snow in San Antonio in March?
Rarely. The March snowfall normal is under half an inch.
Before and after: San Antonio in February and San Antonio in April. All twelve months: San Antonio weather by month.
NOAA NCEI 1991-2020 climate normals, station San Antonio Intl. Airport, TX, 7.5 miles from the city center.