Average humidity in Iiyama

The mean monthly relative humidity over the year in Iiyama (Nagano), Japan.

Data from: Joetsu, Japan (30 KM, 18 Miles).

On average, July is the most humid month, at 80.0%.
On average, April is the least humid month, at 67.0%.
The average annual percentage of humidity is 76%.

Forecast for Iiyama

Sat Nov 23

5°C | 1°C

7 km/h

14 mm

overcast and heavy rain

hourly forecast

Sun Nov 24

6°C | 2°C

11 km/h

4.8 mm

broken clouds and rain

hourly forecast

Mon Nov 25

10°C | 1°C

11 km/h

almost clear and no 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 Iiyama.

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.

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.

10 reasons why you should visit Japan in winter

Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.