Mild
Average highs are around 23°C, so days are mild rather than hot.
Weather Guide
Nagoya, Aichi, Japan Average Monthly Weather
Weather score40Poor annual avg
Best months: August, September, July
Across the year, average daytime temperatures are around 20°C, sunshine averages 5.4h per day, and rainfall totals about 1639mm. Sea temperatures average 19°C across the year.
Annual weather
Annual averages
Temp
20°C
Rain
1639mm
Annual total
Sun
5.4h
Sea
19°C
Weather score
40
Poor avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 123mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Nagoya, Aichi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October23°C average high
October is close to Nagoya'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
October123mm average rain
October sits near Nagoya's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5.1 hours average sun
October is below Nagoya's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October22°C average sea
October is close to Nagoya's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
October48 weather score
October scores above Nagoya's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
