Last updated: March 2, 2024
The weather in Castelo, Brazil, during December is characterized by an average temperature of 23°C (74°F). Highs can soar to 31°C (89°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Castelo throughout December hovers around 72%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Castelo averages 175 mm (6.9 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 13 hours 20 minutes of daylight, with the sun shining for approximately 9 hours 47 minutes each day. Additionally, there is a 22% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Castelo 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 | 3 | 6 | 10 | 13 | 15 | 16 | 14 | 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 | |||||