Last updated: March 2, 2024
The weather in Turrialba, Costa Rica, during December is characterized by an average temperature of 18°C (64°F). Highs can soar to 23°C (74°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Turrialba throughout December hovers around 72%.
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Average temperature
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Humidity
In December, Turrialba averages 290 mm (11.4 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 11 hours 32 minutes of daylight, with the sun shining for approximately 9 hours 16 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
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In December, the UV Index in Turrialba reaches a maximum of 10, 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 | 2 | 3 | 6 | 9 | 10 | 10 | 9 | 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 | ||||||