Mild
Average highs are around 25°C, so days are mild rather than hot.
Weather Guide
Yagen Valley, Japan Average Monthly Weather
Weather score27Poor annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 12°C, sunshine averages 4.7h per day, and rainfall totals about 1282mm. Sea temperatures average 14°C across the year.
Annual weather
Annual averages
Temp
12°C
Rain
1282mm
Annual total
Sun
4.7h
Sea
14°C
Weather score
27
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 158mm, 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 Yagen Valley, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August25°C average high
August is one of Yagen Valley'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
August158mm average rain
August is one of Yagen Valley's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.1 hours average sun
August sits close to Yagen Valley's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August22°C average sea
August is one of Yagen Valley's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
August51 weather score
August is one of Yagen Valley'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.
Hotels near Yagen Valley, Japan
Marriott
Four Points Flex by Sheraton Hakodate StationHakodate, Hokkaido, Japan
The Westin Rusutsu ResortRusutsu-mura, Abuta-gun, Hokkaido, Japan
Higashiyama Niseko Village, a Ritz-Carlton ReserveNiseko, Hokkaido, Japan
Fairfield by Marriott Hokkaido EniwaEniwa, Hokkaido, Japan
Fairfield by Marriott Hokkaido NaganumaYubari-gun, Hokkaido, Japan
Courtyard SapporoSapporo, Hokkaido, Japan