Is Kokubu-matsuki hot in June?
Days are typically warm at 27.7°C, while nights average 21°C.
Japan · 1991–2020 normal
Typical June weather in Kokubu-matsuki: 27.7°C by day, 21°C at night, 705 mm of rain over 20 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, June scores 5 out of 100 (October leads the year at 73). Daylight is calculated as 14 h 12 from latitude 31.73°. Open-water sea temperature is 23.7°C (42 km from the place centre).
June at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically warm at 27.7°C, while nights average 21°C.
The measured monthly average is 705 mm across about 20 wet days.
There are about 14 h 12 between sunrise and sunset at mid-month, calculated from the place latitude.
June ranks 11 of 12 in our weather comparison; October ranks first.
Event window
The nearest open-water NOAA OISST 1991–2020 cell averages 23.7°C in June. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
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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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