Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
July verdict
Mixed for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 178mm, so some wet days are possible.
Monthly averages
Temp
26°C
Rain
178mm
Sun
5.1h
Sea
23°C
Weather score
55
Mixed
Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 178mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Compare Dewa Sanzan, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
July26°C average high
July is one of Dewa Sanzan's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
July178mm average rain
July is one of Dewa Sanzan's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July5.1 hours average sun
July sits close to Dewa Sanzan'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.
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.
July55 weather score
July scores above Dewa Sanzan's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
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