| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Iriomotejima in December is somewhat warm at 19.1 °C (66.38 °F).
- Afternoons can be really warm with average high temperatures reaching 21.8 °C (71.2 °F).
- Overnight temperatures are generally very mild with an average low of 16.7 °C (62.1 °F).
- The average diurnal temperature range/ variation in December is 5.1 °C (9.2 °F).
- The weather in December is a little damp. Some 152.9mm (6in) of liquid is released.
- The shortest day is 10:36 long and the longest day is 10:42 long with an average length of 10:38.
Check the distance to and compare the Iriomotejima December averages with somewhere beginning with:
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Weather Trend Graph for December in Iriomotejima, Japan
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