Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
August verdict
Mixed for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 243mm, so showers are a real planning factor.
Monthly averages
Temp
31°C
Rain
243mm
Sun
6.9h
Sea
29°C
Weather score
54
Mixed
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 243mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Yonaguni, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
August31°C average high
August is one of Yonaguni's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August243mm average rain
August is one of Yonaguni's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August6.9 hours average sun
August is brighter than Yonaguni's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
August29°C average sea
August is one of Yonaguni's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
August54 weather score
August scores above Yonaguni's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.