Is Kokubu-matsuki hot in January?
Days are typically cool at 12.9°C, while nights average 4.1°C.
Japan · 1991–2020 normal
Typical January weather in Kokubu-matsuki: 12.9°C by day, 4.1°C at night, 87 mm of rain over 9.1 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, January scores 31 out of 100 (October leads the year at 73). Daylight is calculated as 10 h 17 from latitude 31.73°. Open-water sea temperature is 18.8°C (42 km from the place centre).
January 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 12.9°C, while nights average 4.1°C.
The measured monthly average is 87 mm across about 9 wet days.
There are about 10 h 17 between sunrise and sunset at mid-month, calculated from the place latitude.
January ranks 8 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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