Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
August verdict
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 140mm, so some wet days are possible.
Monthly averages
Temp
30°C
Rain
140mm
Sun
0h
Sea
28°C
Weather score
69
Good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 140mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Hachijojima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
August30°C average high
August is one of Hachijojima's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to October
This stretch sets the upper range for average daytime heat.
August140mm average rain
August sits on the drier side of Hachijojima's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March, August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August0 hours average sun
August is close to Hachijojima's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
August28°C average sea
August is one of Hachijojima's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
August69 weather score
August is one of Hachijojima'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.