Last updated: March 2, 2024
The weather in Ishigaki, Japan, during January is characterized by an average temperature of 20°C (69°F). Highs can soar to 24°C (75°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Ishigaki throughout January hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Ishigaki averages 109 mm (4.3 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 10 hours 48 minutes of daylight, with the sun shining for approximately 5 hours 15 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Ishigaki reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 0 | 1 | 2 | 3 | 6 | 7 | 8 | 7 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||