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 5.4h per day, enough for a balanced month. Rainfall averages 117mm, so some wet days are possible.
Monthly averages
Temp
24°C
Rain
117mm
Sun
5.4h
Sea
20°C
Weather score
52
Mixed
Mild
Average highs are around 24°C, so days are mild rather than hot.
Showers
Rainfall averages 117mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Compare Niigata, 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 monthsJune to September
This stretch sets the upper range for average daytime heat.
June117mm average rain
June sits on the drier side of Niigata's year, which helps with sightseeing and transfers.
Driest monthsFebruary to June and August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June5.4 hours average sun
June is brighter than Niigata's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
June20°C average sea
June is close to Niigata's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
June52 weather score
June scores above Niigata's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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