Last updated: March 2, 2024
The weather in Sao Joao da Barra, Brazil, during December is characterized by an average temperature of 25°C (77°F). Highs can soar to 29°C (85°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Sao Joao da Barra throughout December hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In December, Sao Joao da Barra averages 112 mm (4.4 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 24 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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Chance of sun
In December, the UV Index in Sao Joao da Barra 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 | 3 | 6 | 10 | 13 | 15 | 15 | 13 | 10 | 6 | 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 | |||||