Last updated: March 2, 2024
The weather in Castelo do Piaui, Brazil, during April is characterized by an average temperature of 27°C (80°F). Highs can soar to 33°C (92°F), while lows may dip to 22°C (72°F). Typically, the humidity level in Castelo do Piaui throughout April hovers around 93%.
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Average temperature
Maximum temperature
Humidity
In April, Castelo do Piaui averages 177 mm (7.0 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 11 hours 58 minutes of daylight, with the sun shining for approximately 9 hours 53 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
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Chance of sun
In April, the UV Index in Castelo do Piaui reaches a maximum of 15, 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 | 1 | 4 | 7 | 11 | 14 | 15 | 13 | 9 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||