Last updated: March 2, 2024
The weather in Vieques, Puerto Rico, during December is characterized by an average temperature of 26°C (79°F). Highs can soar to 29°C (84°F), while lows may dip to 24°C (75°F). Typically, the humidity level in Vieques throughout December hovers around 76%.
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Average temperature
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Humidity
In December, Vieques averages 68 mm (2.7 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 11 hours 2 minutes of daylight, with the sun shining for approximately 10 hours 18 minutes each day. Additionally, there is a 63% probability of sunny days during this period.
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Chance of sun
In December, the UV Index in Vieques reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 | 3 | 5 | 7 | 8 | 8 | 6 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||