Weather Guide

Greek Islands, Greece Average Monthly Weather

Weather score56Good annual avg

Best months: August, July, June

Across the year, average daytime temperatures are around 20°C, sunshine averages 8.6h per day, and rainfall totals about 586mm. Sea temperatures average 19°C across the year.

Annual weather

Annual averages

Temp

20°C

Rain

586mm

Annual total

Sun

8.6h

Sea

19°C

Weather score

56

Good avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 29°C, giving warm days by monthly-average standards.

Drier

Rainfall averages 6mm, which is relatively low for holiday planning.

Bright

Sunshine averages 14h per day, so bright days are a strong part of the month.

Swimmable

Sea temperatures average 23°C, which can work for swimming but may feel fresh.

Map

Weather map

Compare Greek Islands, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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July29°C average high

July is one of Greek Islands' warmest months, with daytime heat above the yearly average.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

July6mm average rain

July is one of Greek Islands' driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsApril to October

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

July14 hours average sun

July is one of Greek Islands' sunniest months, with some of the strongest bright-day conditions in the yearly averages.

Brightest monthsJune to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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July23°C average sea

July is one of Greek Islands' warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.

Weather score

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July88 weather score

July is one of Greek Islands' 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.

Hotels near Greek Islands, Greece