Last updated: March 2, 2024
The weather in San Francisco, Peru, during October is characterized by an average temperature of 16°C (61°F). Highs can soar to 24°C (75°F), while lows may dip to 10°C (50°F). Typically, the humidity level in San Francisco throughout October hovers around 65%.
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Average temperature
Maximum temperature
Humidity
In October, San Francisco averages 299 mm (11.8 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 9 hours 48 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
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Rainy days
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Chance of sun
In October, the UV Index in San Francisco reaches a maximum of 17, 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 | 16 | 17 | 14 | 10 | 6 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 45 min | ||||||