Last updated: March 2, 2024
The weather in Petropolis, Brazil, during December is characterized by an average temperature of 24°C (75°F). Highs can soar to 32°C (91°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Petropolis throughout December hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Petropolis averages 288 mm (11.3 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 13 hours 28 minutes of daylight, with the sun shining for approximately 10 hours 4 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Petropolis 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 | 5 | 9 | 13 | 15 | 15 | 14 | 10 | 7 | 3 | 1 | 1 | 0 |
| Exposure | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||||