Monthly Average Rainy days in Iwanai

The number of days each month with rain, snow and hail in Iwanai (Hokkaido), Japan.

Most rainy days are in January, February, March, April, May, June, July, August, September, October, November and December.
On average, January is the most rainy with 30 days of rain/snow.
On average, June is the driest month with 16 rainy days.
The average annual number of rainy days is 263.

Current rainfall 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

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