Is Kokubu-matsuki hot in December?
Days are typically cool at 15.5°C, while nights average 6.1°C.
Japan · 1991–2020 normal
Typical December weather in Kokubu-matsuki: 15.5°C by day, 6.1°C at night, 110 mm of rain over 8.7 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, December scores 40 out of 100 (October leads the year at 73). Daylight is calculated as 10 h 05 from latitude 31.73°. Open-water sea temperature is 20.6°C (42 km from the place centre).
December at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 15.5°C, while nights average 6.1°C.
The measured monthly average is 110 mm across about 9 wet days.
There are about 10 h 05 between sunrise and sunset at mid-month, calculated from the place latitude.
December ranks 5 of 12 in our weather comparison; October ranks first.
The evidence behind this page
Next step
The weather comparison for Kokubu-matsuki is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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