Iiyama weather in July (Nagano, Japan)

What can you expect from the weather in Iiyama during July? This guide provides all the details you need.

In July, Iiyama typically experiences high temperatures and heavy rainfall. July is a summer month. Daytime temperatures hover around 28°C, while nights can cool down to about 19°C.

Iiyama in July falls under the rainy season with heavy rainfall, averaging around 257 mm for the month. In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Rain is expected on roughly 21 days.

The city usually sees around 154 hours of sunlight, indicating a moderately sunny period.

In case you lean more towards enjoying temperate temperatures and rain-free days May typically offers the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Iiyama, monthly averages in July

Min TemperatureMin Temperature 19°C  
Max TemperatureMax Temperature 28°C  
Chance of RainChance of Rain 70%  
PrecipitationPrecipitation 257 mm  
Rainy daysRainy days 21 days  
HumidityHumidity 80% *  
SunshineSunshine 154 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Joetsu, Japan (30 KM, 18 Miles).

Where to go in Japan in July

Find out more about the weather in Japan in July 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 July?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

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.