Temperatures 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Iriomote in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Iriomote with warm temperatures, averaging around 24°C during the day and nights close to 21°C. Plenty of days with a chance of precipitation. A T-shirt, light trousers or skirt, and a light jacket are perfect.
Mid-December
By mid-December, the average daytime temperature drops to around 23°C, with nights close to 19°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of December
By the end of December, the average daytime temperature in Iriomote will be around 23°C, with nights close to 19°C. There’s a significant chance of many days with precipitation.
Precipitation in December
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.
The average precipitation chance is 46% per day this month. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Iriomote. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Iriomote in December |
UK | ||
|---|---|---|---|
 Average Temperature |
23°C | 9°C | |
 High Temp |
25°C | 11°C | |
| Low Temp |
21°C | 8°C | |
 Total Precipitation |
189 mm | 67 mm | |
| Rainy Days |
14 days | 10 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?
After some sun? Then December isn’t the best time to be in Iriomote. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Iriomote runs from June to November.
Temperature records for Iriomote in December
With 28°C, Iriomote hit the highest temperature in the last 10 years in December 2018. The lowest daytime temperature in this month was 14°C in 2020. The extreme night temperatures ranged from a low of 10°C to a high 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 temperatures, both day and night, for each day in December in Iriomote, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Iriomote
The chart below shows the average daily precipitation in December for Iriomote, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 14 days of rain 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 years.
Total Precipitation in December in Iriomote Over the Years
This chart shows the average precipitation in December in Iriomote, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Iriomote
Click on a specific day in December for detailed info on the typical 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.
