What is the weather like in Hiroshima vs Karuizawa in October?

In October, Hiroshima averages 24°C high / 16°C low with about 110 mm of rain; Karuizawa averages 15°C high / 5°C low with about 180 mm.

Hiroshima vs Karuizawa in October

Hiroshima is the better pick in October — 87 vs 66 on SeasonMap's comfort score. Hiroshima is warm, rainy, clean air, while Karuizawa is cool, soaked, clean air.

Hiroshima vs Karuizawa — October climate, side by side

	🇯🇵 Hiroshima	🇯🇵 Karuizawa
Comfort score	87/100 (A)	66/100 (C)
Feels-like high	25°C	14°C
Avg high / low	24° / 16°	15° / 5°
Rainfall	110 mm	180 mm
Rainy days	10	14
Humidity	77%	84%
Air quality (AQI)	39	35

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Hiroshima vs Karuizawa in October — FAQ

Is October better in Hiroshima or Karuizawa?: Hiroshima is the better pick in October — 87 vs 66 on SeasonMap's comfort score. Hiroshima is warm, rainy, clean air, while Karuizawa is cool, soaked, clean air.
What is the weather like in Hiroshima vs Karuizawa in October?: In October, Hiroshima averages 24°C high / 16°C low with about 110 mm of rain; Karuizawa averages 15°C high / 5°C low with about 180 mm.