Last updated: March 2, 2024
The weather in Iwanai, Japan, during June is characterized by an average temperature of 15°C (59°F). Highs can soar to 21°C (70°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Iwanai throughout June hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Iwanai averages 109 mm (4.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 15 hours 17 minutes of daylight, with the sun shining for approximately 9 hours 51 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Iwanai reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 3 | 5 | 6 | 8 | 9 | 9 | 9 | 7 | 5 | 3 | 1 | 1 | 1 |
| Exposure | Moderate | High | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | |||||||