Last updated: March 2, 2024
The weather in Hachijo, Japan, during January is characterized by an average temperature of 13°C (56°F). Highs can soar to 19°C (67°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Hachijo throughout January hovers around 69%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Hachijo averages 130 mm (5.1 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 10 hours 13 minutes of daylight, with the sun shining for approximately 5 hours 27 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Hachijo reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||