Last updated: March 2, 2024
The weather in San Juan, Peru, during October is characterized by an average temperature of 8°C (46°F). Highs can soar to 17°C (63°F), while lows may dip to -4°C (25°F). Typically, the humidity level in San Juan throughout October hovers around 67%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, San Juan averages 106 mm (4.2 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 26 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in San Juan reaches a maximum of 17, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 6 | 10 | 14 | 17 | 17 | 15 | 11 | 6 | 3 | 1 | 0 | 0 |
| Exposure | Low | High | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 25 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||