Last updated: March 2, 2024
The weather in San Francisco, Colombia, during December is characterized by an average temperature of 13°C (56°F). Highs can soar to 21°C (71°F), while lows may dip to 8°C (47°F). Typically, the humidity level in San Francisco throughout December hovers around 85%.
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Average temperature
Maximum temperature
Humidity
In December, San Francisco averages 272 mm (10.7 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 9 hours 31 minutes each day. Additionally, there is a 6% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in San Francisco reaches a maximum of 13, 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 | 6 | 10 | 12 | 14 | 13 | 10 | 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 | ||||