Last updated: March 2, 2024
The weather in San Marcos, Peru, during October is characterized by an average temperature of 5°C (41°F). Highs can soar to 14°C (57°F), while lows may dip to -3°C (27°F). Typically, the humidity level in San Marcos throughout October hovers around 50%.
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Average temperature
Maximum temperature
Humidity
In October, San Marcos averages 179 mm (7.0 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 18 minutes of daylight, with the sun shining for approximately 9 hours 59 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In October, the UV Index in San Marcos reaches a maximum of 19, 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 | 5 | 9 | 14 | 18 | 19 | 17 | 13 | 8 | 3 | 1 | 0 | 0 |
| 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 | ||||||