Iiyama weather in October (Nagano, Japan)

Planning a trip to Iiyama in October? Check out this comprehensive weather guide.

In October, Iiyama typically experiences pleasant temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 19°C. But by evening, they drop to around 9°C.

Iiyama in October falls under the rainy season with heavy rainfall, averaging around 181 mm for the month. When we look at the climate data from the last 30 years, we can expect around 17 days of rain.

The area enjoys a balanced 135 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm May typically offers the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Iiyama climate page with graphs.

 

Iiyama, monthly averages in October

Min TemperatureMin Temperature 9°C  
Max TemperatureMax Temperature 19°C  
Chance of RainChance of Rain 56%  
PrecipitationPrecipitation 181 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 77% *  
SunshineSunshine 135 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Joetsu, Japan (30 KM, 18 Miles).

Where to go in Japan in October

Find out more about the weather in Japan in October and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Iiyama in October?

For visitors traveling to Iiyama, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in October.

Swimming
6/10
Camping
3/10

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.