San Antonio · SpringMonth summary
San Antonio weather in April
✅ Good
🌡️ Temperature min / max
17°C – 28°C
🌧 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)
Quick decision
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.
Our take: San Antonio in April: 28°C and 10.0h of sunshine. Decent, but not the peak.
By trip type
San Antonio in April by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in April
🎯 Peak season — book ahead for best rates. Accommodation prices at their highest Spring marks the start of the good season in San Antonio. Temperatures rise (28°C) 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.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 6°C | 18°C | 25% | 1.7 | 9.7h | 7.2/10 |
| 🌤️ February | 9°C | 21°C | 26% | 2.0 | 8.1h | 7.4/10 |
| 🌤️ March | 14°C | 26°C | 32% | 2.0 | 8.8h | 7.8/10 |
| 🌤️ April | 17°C | 28°C | 37% | 3.3 | 10.0h | 8.0/10 |
| 🌤️ May | 21°C | 30°C | 47% | 5.3 | 11.0h | 7.5/10 |
| 🌤️ June | 24°C | 34°C | 36% | 2.5 | 12.4h | 7.2/10 |
| 🥵 July | 25°C | 36°C | 25% | 2.7 | 12.9h | 6.9/10 |
| 🥵 August | 25°C | 36°C | 26% | 2.6 | 12.6h | 6.9/10 |
| 🌤️ September | 23°C | 33°C | 32% | 3.4 | 11.2h | 7.3/10 |
| 🌤️ October | 19°C | 29°C | 25% | 2.5 | 10.7h | 8.3/10 |
| 🌤️ November | 13°C | 24°C | 29% | 2.1 | 8.4h | 7.7/10 |
| 🌤️ December | 9°C | 20°C | 25% | 1.9 | 7.8h | 7.3/10 |
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 28°C, 37% rainy days and 10.0h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
April vs October (best month)
The best month is October (score 8.3/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -12%
- ☀️ Sunshine : +0.7h/day
FAQ
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 28°C, 10.0h of sunshine and 37% rain, conditions are very favourable.
What to do in San Antonio in April?
With 28°C and 10.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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