Last updated: March 2, 2024
The weather in San Marcos, El Salvador, during April is characterized by an average temperature of 27°C (81°F). Highs can soar to 37°C (98°F), while lows may dip to 20°C (69°F). Typically, the humidity level in San Marcos throughout April hovers around 59%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, San Marcos averages 59 mm (2.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 26 minutes of daylight, with the sun shining for approximately 10 hours 37 minutes each day. Additionally, there is a 41% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in San Marcos reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 2 | 4 | 7 | 10 | 13 | 14 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||