Last updated: March 2, 2024
The weather in Mariana, Brazil, during December is characterized by an average temperature of 21°C (71°F). Highs can soar to 30°C (86°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Mariana throughout December hovers around 68%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Mariana averages 277 mm (10.9 inches) of rainfall, typically over the course of 23 rainy days. The month enjoys an average of 13 hours 19 minutes of daylight, with the sun shining for approximately 9 hours 27 minutes each day. Additionally, there is a 20% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Mariana reaches a maximum of 16, 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 | 13 | 16 | 16 | 14 | 11 | 7 | 4 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||