Last updated: March 2, 2024
The weather in Arenal, Honduras, during December is characterized by an average temperature of 21°C (69°F). Highs can soar to 30°C (86°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Arenal throughout December hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In December, Arenal averages 49 mm (1.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 49 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
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Chance of sun
In December, the UV Index in Arenal reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 3 | 5 | 7 | 9 | 9 | 8 | 6 | 3 | 1 | 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 | ||||||