Last updated: March 2, 2024
The weather in Cachoeiras de Macacu, Brazil, during December is characterized by an average temperature of 23°C (74°F). Highs can soar to 31°C (89°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Cachoeiras de Macacu throughout December hovers around 75%.
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In December, Cachoeiras de Macacu averages 345 mm (13.6 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 13 hours 28 minutes of daylight, with the sun shining for approximately 10 hours 22 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
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In December, the UV Index in Cachoeiras de Macacu reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 3 | 6 | 10 | 13 | 15 | 16 | 14 | 10 | 7 | 3 | 1 | 1 | 0 |
| Exposure | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||