Japan · 1991–2020 normal
Chōnan in
October.
Typical October weather in Chōnan: 22.4°C by day, 15°C at night, 251 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high22.4°C
Typical low15°C
Rain251 mm
Wet days10.4
Comfort score 58 this month (May leads the year at 77). Daylight is calculated as 11 h 14 from latitude 35.40°. Open-water sea temperature is 23.4°C (32 km from the place centre).
Event window
Warm sea in October
The nearest open-water NOAA OISST 1991–2020 cell averages 23.4°C in October. 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 2113001
- NOAA station
- JA000047682 · CHIBA
- Station distance
- 25.7 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.