| < January >
|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 January is very mild at 17.6 °C (63.68 °F).
- Afternoons can be warm with average high temperatures reaching 20.2 °C (68.4 °F).
- Overnight temperatures are generally mild with an average low of 15.2 °C (59.4 °F).
- In January the mean daily temperature range/ variation is 5 °C (9 °F).
- The weather in January is very slightly soggy. Around 172.3mm (6.8in) of water tumbles.
- The shortest day is 10:38 long and the longest day is 11:00 long with an average length of 10:47.
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Weather Trend Graph for January in Iriomotejima, Japan
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