Is Nakano hot in December?
Days are typically cool at 12.5°C, while nights average 4.6°C.
Japan · 1991–2020 normal
Typical December weather in Nakano: 12.5°C by day, 4.6°C at night, 63 mm of rain over 5.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, December scores 37 out of 100 (May leads the year at 78). Daylight is calculated as 9 h 45 from latitude 35.70°. Open-water sea temperature is 16.0°C (21 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 12.5°C, while nights average 4.6°C.
The measured monthly average is 63 mm across about 6 wet days.
There are about 9 h 45 between sunrise and sunset at mid-month, calculated from the place latitude.
December ranks 6 of 12 in our weather comparison; May ranks first.
The evidence behind this page
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The weather comparison for Nakano 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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