Last updated: March 2, 2024
The weather in Castro, Brazil, during December is characterized by an average temperature of 21°C (69°F). Highs can soar to 30°C (86°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Castro throughout December hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Castro averages 176 mm (6.9 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 13 hours 38 minutes of daylight, with the sun shining for approximately 10 hours 28 minutes each day. Additionally, there is a 41% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Castro 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 | 2 | 4 | 8 | 11 | 14 | 16 | 15 | 12 | 9 | 5 | 2 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||