Last updated: March 2, 2024
The weather in Iwanai, Japan, during October is characterized by an average temperature of 12°C (53°F). Highs can soar to 20°C (69°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Iwanai throughout October hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Iwanai averages 149 mm (5.9 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 11 hours 0 minutes of daylight, with the sun shining for approximately 7 hours 41 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in Iwanai reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, 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 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||