Is Tōyako-onsemmachi hot in December?
Days are typically cold at 3°C, while nights average -2.3°C.
Japan · 1991–2020 normal
Typical December weather in Tōyako-onsemmachi: 3°C by day, -2.3°C at night, 74 mm of rain over 15.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, December scores 5 out of 100 (September leads the year at 66). Daylight is calculated as 9 h 04 from latitude 42.57°. Open-water sea temperature is 9.3°C (22 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 cold at 3°C, while nights average -2.3°C.
The measured monthly average is 74 mm across about 16 wet days.
There are about 9 h 04 between sunrise and sunset at mid-month, calculated from the place latitude.
December ranks 12 of 12 in our weather comparison; September ranks first.
Event window
The measured night-time normal is -2.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
Next step
The weather comparison for Tōyako-onsemmachi 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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