Mild
Average highs are around 22°C, so days are mild rather than hot.
Weather Guide
Niseko, Hokkaido, Japan Average Monthly Weather
Weather score25Poor annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 10°C, sunshine averages 4.3h per day, and rainfall totals about 1464mm. Sea temperatures average 13°C across the year.
Annual weather
Annual averages
Temp
10°C
Rain
1464mm
Annual total
Sun
4.3h
Sea
13°C
Weather score
25
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 113mm, so some wet days are possible.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Niseko, Hokkaido, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July22°C average high
July is one of Niseko's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July113mm average rain
July sits near Niseko's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMarch to June
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5 hours average sun
July is brighter than Niseko's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to June and September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July19°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
July45 weather score
July is one of Niseko's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
