Last updated: March 2, 2024
The weather in Sao Joao de Meriti, Brazil, during December is characterized by an average temperature of 25°C (78°F). Highs can soar to 35°C (95°F), while lows may dip to 18°C (65°F). Typically, the humidity level in Sao Joao de Meriti throughout December hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In December, Sao Joao de Meriti averages 234 mm (9.2 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 13 hours 29 minutes of daylight, with the sun shining for approximately 10 hours 16 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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In December, the UV Index in Sao Joao de Meriti reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 2 | 5 | 9 | 12 | 15 | 15 | 13 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||