Cool
Average highs are around 20°C, so pack for cooler days.
July verdict
Poor for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 93mm, so some wet days are possible.
Monthly averages
Temp
20°C
Rain
93mm
Sun
5.1h
Sea
17°C
Weather score
39
Poor
Cool
Average highs are around 20°C, so pack for cooler days.
Showers
Rainfall averages 93mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Rebun Island, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
July20°C average high
July is one of Rebun Island's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
July93mm average rain
July sits near Rebun Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to June
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July5.1 hours average sun
July is brighter than Rebun Island's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to September
This stretch has the strongest sunshine in the monthly averages.
July17°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to October
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
July39 weather score
July scores above Rebun Island's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.