Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
July verdict
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 181mm, so showers are a real planning factor.
Monthly averages
Temp
29°C
Rain
181mm
Sun
5.3h
Sea
23°C
Weather score
57
Good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 181mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Compare Niigata, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
July29°C average high
July is one of Niigata's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
July181mm average rain
July is wetter than Niigata's yearly average, so flexible plans matter more.
Driest monthsFebruary to June and August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July5.3 hours average sun
July 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.
July23°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
July57 weather score
July is one of Niigata's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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