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Iriomote weather in December (Iriomote Island, Japan)

Will it be warm or cold in Iriomote this December? See what weather conditions to anticipate this month with our guide.

Temperatures

In December, the weather in Iriomote generally includes high temperatures and heavy rainfall. Daytime temperatures generally settle around 24°C, while nighttime can see a dip to about 20°C.

Precipitation

Iriomote in December usually receives heavy rainfall, averaging around 162 mm for the month. Looking at the last 30 years, the data shows about 22 days with rain.

Average sunshine

The month is characterized by fewer sunny days, with roughly 70 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit. January, February, March, April, May, June, October, November and December generally stand out with the best circumstances. While August tends to showcase less optimal conditions.

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

 

Iriomote, monthly averages in December

Min TemperatureMin Temperature 20°C  
Max TemperatureMax Temperature 24°C  
Chance of RainChance of Rain 75%  
PrecipitationPrecipitation 162 mm  
Rainy daysRainy days 22 days  
HumidityHumidity 75%  
SunshineSunshine 70 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Japan in December

Find out more about the weather in Japan and which places have the best travel 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 this month?

For visitors traveling to Iriomote, 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.

Swimming
4/10
Camping
6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Iriomote.

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.