Weather Guide

Sado Island, Japan Average Monthly Weather

Weather score31Poor annual avg

Best months: August, July, September

Across the year, average daytime temperatures are around 16°C, sunshine averages 4.4h per day, and rainfall totals about 1681mm. Sea temperatures average 17°C across the year.

Annual weather

Annual averages

Temp

16°C

Rain

1681mm

Annual total

Sun

4.4h

Sea

17°C

Weather score

31

Poor avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 26°C, giving warm days by monthly-average standards.

Showers

Rainfall averages 176mm, so some wet days are possible.

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

Weather map

Compare Sado Island, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

View on map

July26°C average high

July is one of Sado Island's warmest months, with daytime heat above the yearly average.

Warmest monthsJuly to September

This stretch sets the upper range for average daytime heat.

July176mm average rain

July is one of Sado Island's wettest months, so rain is likely to be a major planning factor.

Driest monthsFebruary to May

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 Sado Island's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsApril to June and August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

View on map

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.

Weather score

View on map

July56 weather score

July scores above Sado Island'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.

Hotels near Sado Island, Japan