Iwanai Weather in October
What's the weather like in Iwanai (Hokkaidō) in October 2024?
The climate in Iwanai during October can be summarized as cool and wet.
October is in the fall / autumn in Iwanai and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 12.8°C 55°F |
|---|---|
| Nightly temperature | 3.6°C 38.5°F |
| Average temperature | 8.2°C 46.8°F |
| Daily sunshine | 5.1 hrs |
| Avg rainfall | 139 mm 5.5 ins |
| Rainy days | 20 days |
| Sea temperature | 17.4°C 63.3°F |
| Humidity | 73% |
| Windspeed | 12.6kph 8 mph |
On average October is the 6th wettest month of the year in Iwanai with around 139mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
October temperatures in Iwanai
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Iwanai in October 2024.
Other monthly averages
Best places to visit in October
Iwanai weather stats
| Hottest month: | August | 23.2°C 73.8°F |
|---|---|---|
| Driest month: | May | 74mm 2.9ins |
| Sunniest month: | April | 6.4hrs |
| Coldest month: | January | -4°C 24.8°F |
| Wettest month: | December | 164mm 6.5ins |
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