Last updated: March 2, 2024
The weather in San Juan, Peru, during April is characterized by an average temperature of 12°C (54°F). Highs can soar to 20°C (67°F), while lows may dip to 7°C (44°F). Typically, the humidity level in San Juan throughout April hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, San Juan averages 348 mm (13.7 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 11 hours 55 minutes of daylight, with the sun shining for approximately 8 hours 46 minutes each day. Additionally, there is a 16% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in San Juan reaches a maximum of 18, 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 | 1 | 3 | 7 | 12 | 16 | 18 | 17 | 14 | 9 | 4 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||