Mild
Average highs are around 21°C, so days are mild rather than hot.
March verdict
Poor for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 3.4h per day, so this is not one of the brighter months. Rainfall averages 154mm, so some wet days are possible.
Monthly averages
Temp
21°C
Rain
154mm
Sun
3.4h
Sea
22°C
Weather score
39
Poor
Mild
Average highs are around 21°C, so days are mild rather than hot.
Showers
Rainfall averages 154mm, so some wet days are possible.
Limited sun
Sunshine averages 3.4h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Compare Kumejima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
March21°C average high
March is on the cooler side of Kumejima's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March154mm average rain
March sits on the drier side of Kumejima's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March3.4 hours average sun
March is one of Kumejima's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
March22°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
March39 weather score
March scores below Kumejima's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly and September to October
These months have the strongest weather score in the monthly averages.
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