Last updated: March 2, 2024
The weather in Kapa'a, United States, during April is characterized by an average temperature of 23°C (73°F). Highs can soar to 25°C (77°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Kapa'a throughout April hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Kapa'a averages 80 mm (3.2 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 40 minutes of daylight, with the sun shining for approximately 10 hours 9 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Kapa'a reaches a maximum of 11, 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 | 2 | 4 | 7 | 10 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||