Japan · 1991–2020 normal
Iwaizumi in
December.
Typical December weather in Iwaizumi: 7.7°C by day, -1.8°C at night, 84 mm of rain over 4.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high7.7°C
Typical low-1.8°C
Rain84 mm
Wet days4.9
Comfort score 8 this month (June leads the year at 67). Daylight is calculated as 9 h 21 from latitude 39.85°. Open-water sea temperature is 12.4°C (28 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -1.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2112543
- NOAA station
- JA000047585 · MIYAKO
- Station distance
- 26.4 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.