Japan · 1991–2020 normal
Hachijō in
December.
Typical December weather in Hachijō: 15.8°C by day, 9.7°C at night, 266 mm of rain over 15.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high15.8°C
Typical low9.7°C
Rain266 mm
Wet days15.9
Comfort score 19 this month (May leads the year at 42). Daylight is calculated as 9 h 58 from latitude 33.10°. Open-water sea temperature is 21.3°C (9 km from the place centre).
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 21.3°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 11611619
- NOAA station
- JA000047678 · HACHIJOJIMA
- Station distance
- 1.6 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.