Japan · 1991–2020 normal
Ōmachi in
December.
Typical December weather in Ōmachi: 8.1°C by day, -3.2°C at night, 40 mm of rain over 4.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.1°C
Typical low-3.2°C
Rain40 mm
Wet days4.7
Comfort score 12 this month (May leads the year at 77). Daylight is calculated as 9 h 41 from latitude 36.50°.
Event window
Frost-level nights in December
The measured night-time normal is -3.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1854186
- NOAA station
- JA000047618 · MATSUMOTO
- Station distance
- 29.2 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.