Last updated: March 2, 2024
The weather in Cariari, Costa Rica, during December is characterized by an average temperature of 23°C (73°F). Highs can soar to 28°C (83°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Cariari throughout December hovers around 74%.
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Average temperature
Maximum temperature
Humidity
In December, Cariari averages 320 mm (12.6 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 11 hours 31 minutes of daylight, with the sun shining for approximately 8 hours 51 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in Cariari 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 | 1 | 3 | 6 | 8 | 10 | 10 | 8 | 5 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||