Mid-spring · Weather & things to do
San Antonio in April
San Antonio warms up: highs climb to 84°F (29°C), from 76°F in March, with lows of 59°F (15°C) and about 2.4 in (62 mm) of rain.
It scores 81/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.
- Avg high
- 84°F (29°C)
- Avg low
- 59°F (15°C)
- Rain
- 2.4 in (62 mm)
- Humidity
- 66%
- Cloud cover
- 60%
- Daylight
- ~12 h 43 min
- Comfort score
- 81/100 · Great
What April feels like
Highs settle around 84°F (29°C), warm enough for short sleeves most of the day.
Mornings start much cooler: lows average 59°F (15°C), about 14°C (25°F) below the afternoon high.
Some rain is likely, about 2.4 in (62 mm) in the month, so pack for a shower or two.
Plan around April
April is shoulder season: good weather, a step below the best months (October – March).
- Comfort slips from 87/100 in March to 81/100.
- April 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 — April falls outside it.
What to pack for April
- Light, breathable clothes84°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- A warm layer for eveningsnights drop to 59°F
- Packable rain jacket or umbrellaabout 2.4 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in San Antonio in April
With conditions on your side, the picks below favor time outside.
The Alamo
1718 mission and site of the 1836 battle, with the church and Long Barrack.
Mission San José
Largest of the four missions in San Antonio Missions National Historical Park.
Why now April scores 81/100 for comfort, good conditions for being outside.
Mi Tierra Café y Panadería
24-hour Tex-Mex restaurant and bakery in Market Square since 1941.
Why now Highs near 84°F and 2.4 in of monthly rain make this an easy outdoor pick.
Pearl
The 1883 Pearl Brewery turned food and shopping district on the River Walk, with a weekend farmers market and holiday events.
Historic Market Square
Mexican-style marketplace with crafts, food stalls and weekend music.
Why now One to do outside while the weather is on your side.
2M Smokehouse
South Side barbecue with Mexican-American touches like serrano-cheese sausage.
Nearby in April
- Texas Hill Country in April~58 mi · highs 80°F, 2.3 in rain · 2°C (4°F) cooler by day, about as wet
- Austin in April~74 mi · highs 81°F, 2.5 in rain · 2°C (3°F) cooler by day, about as wet
- Downtown Houston in April~189 mi · highs 80°F, 3.4 in rain · 2°C (4°F) cooler by day, wetter
- Dallas in April~252 mi · highs 77°F, 3.3 in rain · 4°C (7°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 April: quick answers
Is April a good time to visit San Antonio?
It's a good shoulder-season choice, scoring 81/100 against a best of 92 in October – March. Expect highs of 84°F (29°C) and 2.4 in (62 mm) of rain. April is inside the Oct – Apr window our Texas BBQ Trail route recommends.
How hot is San Antonio in April?
Average highs are 84°F (29°C) and average lows 59°F (15°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in San Antonio in April?
Some: about 2.4 in (62 mm) of rain falls across April on average, the 6th-wettest month of the year. The annual total is about 30.7 in (779 mm).
What should I pack for San Antonio in April?
Bring light, breathable clothes (84°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), a warm layer for evenings (nights drop to 59°F), packable rain jacket or umbrella (about 2.4 in of rain) and comfortable walking shoes (most picks involve some walking).
More on San Antonio
Routes in season in April
- Texas BBQ Trail Oct – Apr
Planning San Antonio in April?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.