Japan · 1991–2020 normal
Hachijō in
May.
Typical May weather in Hachijō: 22.5°C by day, 16.4°C at night, 317 mm of rain over 15.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high22.5°C
Typical low16.4°C
Rain317 mm
Wet days15.1
Comfort score 42 this month, the highest of the year. Daylight is calculated as 13 h 51 from latitude 33.10°. Open-water sea temperature is 21.7°C (9 km from the place centre).
Event window
Warm sea in May
The nearest open-water NOAA OISST 1991–2020 cell averages 21.7°C in May. 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 · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.