JapanAverage weather for Iriomote in December
It's warm in December in Iriomote with an average temperature of 23°C. Temperatures this month range from a low of 21°C to a high of 25°C. At night, you can expect temperatures between 17°C and 22°C.
Start of December
The month of December starts in Iriomote with warm temps, averaging around 24°C during the day and nights around 21°C. There are plenty of days with a good chance of precipitation. A T-shirt, light pants or skirt, and a light jacket are just right.
Mid December
By mid-December, daytime temps drop to around 23°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Iriomote is around 23°C, while nighttime temps are about 19°C. There’s a significant chance of many days with precipitation.
In December, there is an average of 189 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Northeast.
Iriomote in December |
New York | ||
|---|---|---|---|
 Average temperature |
23°C | 9°C | |
 Max. temperature |
25°C | 12°C | |
| Min. temperature |
21°C | -5°C | |
 Total precipitation |
189 mm | 133 mm | |
| Rainy days |
14 days | 17 days | |
November
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Iriomote?
Looking for sun? December isn’t a good month to be in Iriomote. The temperature is nice, but there’s too much chance of rain.
The typhoon season in Iriomote runs from June to November.
Temperature records
With 28°C in 2018, Iriomote reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 14°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 24°C.
Check out the climate of Iriomote for all months and discover the best travel time
Daily Temperature in December in Iriomote
This chart shows the average daily high and low temperatures in December for Iriomote, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Iriomote
The chart below shows the average daily precipitation in December for Iriomote, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 14 days of precipitation in Iriomote.
Daily UV index in December in Iriomote
This chart shows the average daily UV index in December in Iriomote, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Iriomote over the years
This chart shows the average temperature in December in Iriomote, measured in degrees Celsius, over the past few years.
Total precipitation in December in Iriomote over the years
This chart shows the average precipitation in December in Iriomote, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Iriomote
Click on any day in December to get detailed info about the usual weather on that day in Iriomote. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Iriomote
Have you been to Iriomote in December?
Share your weather experience in December in Iriomote.
Average weather in Iriomote by month
Click on a month below to see detailed weather info for Iriomote. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
