Climate and Weather of Iriomote Island, Japan

In Japan you have several regions, one of which is called Iriomote Island. The most popular city in this region is Iriomote, whose climate data we'll examine to provide you with an overview of what weather to expect in Iriomote Island. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

The weather in Iriomote Island during January, February, March, April, November and December is comfortably warm, with average temperatures ranging from 22°C to 26°C.

Iriomote Island reaches its peak temperature in July, hitting 30°C, while January brings cooler conditions with daytime highs of 22°C.

July and August are generally the hottest months of the year.

Precipitation in Iriomote Island varies considerably throughout the year. The wettest conditions occur in August with 244 mm of rain, while February stays relatively dry with 136 mm. The region experiences its rainy season during August and September, when monthly rainfall can range from 240 mm to 244 mm.

For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Iriomote Island, Japan?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.