Last updated: March 2, 2024
The weather in Hachijo, Japan, during April is characterized by an average temperature of 18°C (64°F). Highs can soar to 21°C (71°F), while lows may dip to 12°C (55°F). Typically, the humidity level in Hachijo throughout April hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Hachijo averages 133 mm (5.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 59 minutes of daylight, with the sun shining for approximately 8 hours 57 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Hachijo reaches a maximum of 11, 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 | 4 | 7 | 9 | 11 | 11 | 9 | 7 | 4 | 2 | 1 | 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 | ||||