Early spring · Weather & things to do
San Antonio in March
San Antonio warms up: highs climb to 76°F (24°C), from 68°F in February, with lows of 51°F (11°C) and about 2.4 in (61 mm) of rain.
At 87/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 76°F (24°C)
- Avg low
- 51°F (11°C)
- Rain
- 2.4 in (61 mm)
- Humidity
- 70%
- Cloud cover
- 61%
- Daylight
- ~11 h 47 min
- Comfort score
- 87/100 · Great
What March feels like
Warm afternoons near 76°F (24°C) make long days outdoors easy.
There's a big swing between day and night, about 14°C (24°F), so mornings and evenings feel much cooler than the afternoon.
Showers are part of the month, adding up to about 2.4 in (61 mm).
Plan around March
March is one of San Antonio's best months on the climate data.
- First warm month: highs reach 76°F, up from 68°F in February.
- Last of the best-scoring months: by April, the score drops to 81/100.
- The year's biggest warm-up: highs jump 5°C (8°F) from February.
- Comfort slips from 90/100 in February to 87/100.
- March sits inside the Oct – Apr window our Texas BBQ Trail route recommends.
- Our San Antonio & the Texas Hill Country route is planned for Late Nov – Dec, a window set by the holiday season rather than the weather — March falls outside it.
What to pack for March
- Light, breathable clotheshighs average 76°F
- A warm layer for eveningslows near 51°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in San Antonio in March
March is good outdoor weather here, so these picks lean toward the open air.
Mission San José
Largest of the four missions in San Antonio Missions National Historical Park.
Why now March scores 87/100 for comfort, good conditions for being outside.
Historic Market Square
Mexican-style marketplace with crafts, food stalls and weekend music.
Why now Highs near 76°F and 2.4 in of monthly rain make this an easy outdoor pick.
River Walk
Stone-lined walkways along the San Antonio River, with cypress trees and bridges strung with lights through the holidays.
Why now One to do outside while the weather is on your side.
San Antonio River Walk
Below-street paths along the river; take a GO RIO boat for an overview.
The Pearl
Restored brewery complex with restaurants, shops and a weekend farmers market.
Mi Tierra Café y Panadería
24-hour Tex-Mex restaurant and bakery in Market Square since 1941.
Nearby in March
- Texas Hill Country in March~58 mi · highs 71°F, 2.6 in rain · 2°C (4°F) cooler by day, about as wet
- Austin in March~74 mi · highs 73°F, 2.9 in rain · 2°C (3°F) cooler by day, about as wet
- Downtown Houston in March~189 mi · highs 73°F, 3.3 in rain · 2°C (3°F) cooler by day, wetter
- Dallas in March~252 mi · highs 68°F, 3.5 in rain · 4°C (8°F) cooler by day, wetter
These averages also cover Downtown San Antonio & Hemisfair and Pearl & Museum Reach.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
San Antonio in March: quick answers
Is March a good time to visit San Antonio?
Yes. On the climate data it's one of the best months, scoring 87/100. Expect highs of 76°F (24°C) and 2.4 in (61 mm) of rain. March is inside the Oct – Apr window our Texas BBQ Trail route recommends.
How hot is San Antonio in March?
Average highs are 76°F (24°C) and average lows 51°F (11°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in San Antonio in March?
Some: about 2.4 in (61 mm) of rain falls across March on average, the 5th-driest month of the year. The annual total is about 30.7 in (779 mm).
What should I pack for San Antonio in March?
Bring light, breathable clothes (highs average 76°F), a warm layer for evenings (lows near 51°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on San Antonio
Routes in season in March
- Texas BBQ Trail Oct – Apr
Planning San Antonio in March?
Share this March plan with your group, poll everyone on dates and keep the packing list in one place.