Japan · 1991–2020 normal
Oshima-shiriuchi in
December.
Typical December weather in Oshima-shiriuchi: 3.3°C by day, -4.2°C at night, 130 mm of rain over 19.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3.3°C
Typical low-4.2°C
Rain130 mm
Wet days19.6
Comfort score 5 this month (June leads the year at 73). Daylight is calculated as 9 h 10 from latitude 41.60°. Open-water sea temperature is 12.5°C (17 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -4.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2128049
- NOAA station
- JA000047430 · HAKODATE
- Station distance
- 36.3 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.