San Antonio in April
7.1out of 10
Possible, with caveats
Hot: daytime highs around 31°C. Frequent rain: about 10 rainy days.
31°CAvg high
26°CAvg low
10Rainy days (44 mm)
12:20 hDaylight
05:50Sunrise · 18:10 Sunset
Why this score
- Hot: daytime highs around 31°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±5.3 days)
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in April varies a lot between years (±5.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 23°C | 13 mm | 3 | – | – | 8.7 |
| February | 30°C | 24°C | 20 mm | 3 | – | – | 8.5 |
| March | 31°C | 25°C | 29 mm | 5 | – | – | 8.0 |
| April | 31°C | 26°C | 44 mm | 10 | – | – | 7.1 |
| May | 31°C | 27°C | 217 mm | 23 | – | – | 5.6 |
| June | 30°C | 26°C | 403 mm | 27 | – | – | 5.9 |
| July | 29°C | 26°C | 623 mm | 29 | – | – | 6.1 |
| August | 28°C | 26°C | 621 mm | 29 | – | – | 6.1 |
| September | 29°C | 26°C | 434 mm | 28 | – | – | 6.1 |
| October | 30°C | 26°C | 223 mm | 21 | – | – | 5.9 |
| November | 30°C | 25°C | 88 mm | 10 | – | – | 7.4 |
| December | 29°C | 24°C | 58 mm | 7 | – | – | 8.1 |
Frequently asked questions
How hot is San Antonio in April?
Daytime highs average 31°C and nights about 26°C.
When is the best time to visit San Antonio?
The best months are January, February, December.