Is Koshigaya hot in October?
Days are typically mild at 22.4°C, while nights average 15.2°C.
Japan · 1991–2020 normal
Koshigaya in
October.
Typical October weather in Koshigaya: 22.4°C by day, 15.2°C at night, 264 mm of rain over 10.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high22.4°C
Typical low15.2°C
Rain264 mm
Wet days10.6
In the year-round weather comparison, October scores 55 out of 100 (May leads the year at 78). Daylight is calculated as 11 h 13 from latitude 35.89°. Open-water sea temperature is 21.6°C (31 km from the place centre).
October at a glance
What is Koshigaya like in October?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 264 mm across about 11 wet days.
How much daylight is there?
There are about 11 h 13 between sunrise and sunset at mid-month, calculated from the place latitude.
Is October a good time to visit?
October ranks 2 of 12 in our weather comparison; May ranks first.
Event window
Warm sea in October
The nearest open-water NOAA OISST 1991–2020 cell averages 21.6°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 1858729
- NOAA station
- JA000047662 · TOKYO
- Station distance
- 23.1 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.
Next step
Choose your month.
Then plan the details.
The weather comparison for Koshigaya is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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