US San Antonio · Spring

San Antonio weather
in April

April is a good time to visit. October is slightly better.

Open-Meteo · 10 years · 12 months compared · 29.42°N 98.49°W
82°FMax temperature
37%Rainy days
10.0hSunshine / day

San Antonio weather in April

✅ Good
🌡️ Temperature min / max
63°F – 82°F
🌧 Rainy days
37% of days
☀️ Sunshine
10.0h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
October (8.3/10)

Should you visit San Antonio in April?

✅ Good

✅ Yes if: you want good weather with lower prices than peak season.

❌ No if: you need guaranteed perfect weather — some mixed days are possible.

🌧 Rain : ████░░░░░░ 37%
🌡 Temperature : ███████░░░ 82°F
☀️ Sunshine : ███████░░░ 10.0h/d

Our take: April is a good time to visit San Antonio. October remains slightly better (+0.3 pts).

San Antonio in April by trip type

What to expect in April

Spring marks the start of the good season in San Antonio. Temperatures rise (28°F) and tourists have not yet arrived en masse. Expect rain on 37% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if October (8.3/10) remains theoretically better.

All months for San Antonio

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌤️ January43°F64°F25%0.1in9.7h7.2/10
🌤️ February48°F70°F26%0.1in8.1h7.4/10
🌤️ March57°F79°F32%0.1in8.8h7.8/10
🌤️ April63°F82°F37%0.1in10.0h8.0/10
🌤️ May70°F86°F47%0.2in11.0h7.5/10
🌤️ June75°F93°F36%0.1in12.4h7.2/10
🥵 July77°F97°F25%0.1in12.9h6.9/10
🥵 August77°F97°F26%0.1in12.6h6.9/10
🌤️ September73°F91°F32%0.1in11.2h7.3/10
🌤️ October66°F84°F25%0.1in10.7h8.3/10
🌤️ November55°F75°F29%0.1in8.4h7.7/10
🌤️ December48°F68°F25%0.1in7.8h7.3/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In April, San Antonio averages 82°F, 37% rainy days and 10.0h of sunshine per day. Overall weather score: 8.0/10. See methodology →

April vs October (best month)

The best month is October (score 8.3/10). Difference:

FAQ — San Antonio in April

Is April a good time to visit San Antonio?
April is an excellent time to visit San Antonio (score 8.0/10). With 82°F, 10.0h of sunshine and 37% rain, conditions are very favourable.
What to do in San Antonio in April?
With 82°F and 10.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.

Find a place to stay in San Antonio

Find places to stay in San Antonio in April Search on Hotels.com

Activities and tours in San Antonio

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to San Antonio

Compare flights from all airlines. Search flights

Similar destinations in April

Other top destinations in April

Compare destinations by weather

Explore or compare

📅 Live forecast — next 12 months

Real-time data with ECMWF seasonal corrections · updated daily

Try the weather app