Average Monthly Sunshine hours in Iwanai

This graph shows the average number of hours per month that Iwanai receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

* Data from: Sapporo, Japan (69 KM, 43 Miles).

On average, May is the sunniest month with 199 hours of sunshine.
December has on average the lowest amount of sunshine with 87 hours.
On average, the total annual amount of sun is 1750 hours.

Forecast: is it sunny in Iwanai?

Wed Nov 06

7°C | 1°C

7 km/h

7.2 mm

partly cloudy and chance of rain

hourly forecast

Thu Nov 07

5°C | 1°C

22 km/h

12 mm

partly cloudy and rain

hourly forecast

Fri Nov 08

8°C | 0°C

25 km/h

1.9 mm

overcast and chance of rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Iwanai.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Travel Inspiration

Chase the autumn leaves in Japan

Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.

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We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.

The famous bamboo forests of Arashiyama

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10 reasons why you should visit Japan in winter

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