Last updated: March 2, 2024
The weather in San Antonio, Mexico, during April is characterized by an average temperature of 18°C (65°F). Highs can soar to 29°C (84°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Antonio throughout April hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, San Antonio averages 133 mm (5.2 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 36 minutes of daylight, with the sun shining for approximately 10 hours 14 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in San Antonio reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 5 | 8 | 12 | 13 | 14 | 14 | 12 | 8 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||