Japan · 1991–2020 normal
Koga in
October.
Typical October weather in Koga: 23°C by day, 16.5°C at night, 104 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23°C
Typical low16.5°C
Rain104 mm
Wet days6.5
Comfort score 81 this month, the highest of the year. Daylight is calculated as 11 h 17 from latitude 33.86°. Open-water sea temperature is 22.8°C (6 km from the place centre).
Event window
Warm sea in October
The nearest open-water NOAA OISST 1991–2020 cell averages 22.8°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 10311179
- NOAA station
- JA000047762 · SHIMONOSEKI
- Station distance
- 24.6 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.