Average monthly hours of sunshine in Iiyama

The monthly total of sunhours over the year in Iiyama (Nagano), Japan.

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

On average, May is the sunniest month with 198 hours of sunshine.
January has on average the lowest amount of sunshine with 67 hours.
On average, the total annual amount of sun is 1595 hours.

Weather Forecasts for Iiyama

Wed Apr 24

17°C | 11°C

22 km/h

17 mm

overcast and heavy rain

hourly forecast

Thu Apr 25

17°C | 11°C

11 km/h

1.5 mm

partly cloudy and rain

hourly forecast

Fri Apr 26

26°C | 8°C

7 km/h

broken clouds and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

Weather and Climate 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 climate 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.

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.