Mild
Average highs are around 24°C, so days are mild rather than hot.
June verdict
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 261mm, so showers are a real planning factor.
Monthly averages
Temp
24°C
Rain
261mm
Sun
5.5h
Sea
21°C
Weather score
44
Mixed
Mild
Average highs are around 24°C, so days are mild rather than hot.
Wet
Rainfall averages 261mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Compare Tsushima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
June24°C average high
June sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
June261mm average rain
June is wetter than Tsushima's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June5.5 hours average sun
June sits close to Tsushima's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
June21°C average sea
June is close to Tsushima's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
June44 weather score
June sits close to Tsushima's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.
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