Last updated: March 2, 2024
The weather in Oshima, Japan, during August is characterized by an average temperature of 27°C (80°F). Highs can soar to 29°C (84°F), while lows may dip to 23°C (74°F). Typically, the humidity level in Oshima throughout August hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Oshima averages 155 mm (6.1 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 24 minutes of daylight, with the sun shining for approximately 10 hours 5 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Oshima 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 | 6 | 9 | 11 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||