Japan · 1991–2020 normal
Tōyako-onsemmachi in
December.
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.
Comfort score 5 this month (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).
Event window
Frost-level nights in December
The measured night-time normal is -2.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2127668
- NOAA station
- JA000047423 · MURORAN
- Station distance
- 30.9 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
From evidence to a booked trip
Know the month.
Then plan the trip.
The climate answer for Tōyako-onsemmachi is independent of commercial relationships. We are building a separately labelled route to approved flight, stay and activity partners; no private inventory or unapproved affiliate feed is used today.
How travel partnerships will work