Last updated: March 2, 2024
The weather in Castelo, Brazil, during January is characterized by an average temperature of 25°C (77°F). Highs can soar to 33°C (92°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Castelo throughout January hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Castelo averages 86 mm (3.4 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 13 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 4 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Castelo 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 | 15 | 11 | 7 | 3 | 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 | ||||||