Last updated: March 2, 2024
The weather in San Fernando de Guaymas, Mexico, during December is characterized by an average temperature of 18°C (65°F). Highs can soar to 29°C (85°F), while lows may dip to 7°C (46°F). Typically, the humidity level in San Fernando de Guaymas throughout December hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In December, San Fernando de Guaymas averages 10 mm (0.4 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 10 hours 23 minutes of daylight, with the sun shining for approximately 8 hours 26 minutes each day. Additionally, there is a 56% probability of sunny days during this period.
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In December, the UV Index in San Fernando de Guaymas reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||