Average monthly rainy days in Iiyama

The number of days each month with rain, snow and hail in Iiyama (Nagano), 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 25 days of rain/snow.
On average, May is the driest month with 16 rainy days.
The average annual number of rainy days is 241.

Weather Forecasts for Iiyama

Tue Apr 23

22°C | 13°C

7 km/h

1.1 mm

broken clouds and chance of slight rain

hourly forecast

Wed Apr 24

18°C | 12°C

22 km/h

1.3 mm

overcast and rain

hourly forecast

Thu Apr 25

17°C | 11°C

14 km/h

3.8 mm

broken clouds and rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

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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.

Watch Jigokudani's snow monkeys

The best time to visit the snow monkeys is in winter, especially in the months of November till March. During these winter months the temperature can drop to -7 degrees (32 degrees Fahrenheit).

Walk the 88 temple circuit

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

The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.