Cool
Average highs are around 15°C, so pack for cooler days.
October verdict
Nagano, Nagano, Japan in October
Weather score26Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 4.4h per day, so this is not one of the brighter months. Rainfall averages 114mm, so some wet days are possible.
October weather
Monthly averages
Temp
15°C
Rain
114mm
Sun
4.4h
Sea
22°C
Weather score
26
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 114mm, so some wet days are possible.
Limited sun
Sunshine averages 4.4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 22°C, so the water can feel cool.
Map
Weather map
Compare Nagano, Nagano, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October15°C average high
October is close to Nagano'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
October114mm average rain
October sits on the drier side of Nagano's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October4.4 hours average sun
October is below Nagano's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October22°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
October26 weather score
October scores below Nagano's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
