Cool
Average highs are around 14°C, so pack for cooler days.
October verdict
Karuizawa, Japan in October
Weather score22Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 4.3h per day, so this is not one of the brighter months. Rainfall averages 125mm, so some wet days are possible.
October weather
Monthly averages
Temp
14°C
Rain
125mm
Sun
4.3h
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 125mm, so some wet days are possible.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Map
Weather map
Compare Karuizawa, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October14°C average high
October is close to Karuizawa's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October125mm average rain
October sits near Karuizawa's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October4.3 hours average sun
October is below Karuizawa's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
Weather score
October22 weather score
October is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
