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Island in Thessaly, Greece

Skiathos weather by month and the best time to visit

Updated October 2026Sources
Jun–Jul, SepBest time to visit

When to go to Skiathos

June and September have warm sea and fewer crowds. July–August is hot and packed; most hotels and tavernas shut from late October to April.

Skiathos weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
5°10°15°20°25°30°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January12°C54°F10°C49°F67 mm78%Cool
February13°C55°F10°C49°F58 mm78%Cool
March15°C58°F11°C52°F60 mm75%Cool
April17°C63°F13°C56°F34 mm73%Cool
May22°C71°F18°C64°F26 mm70%Pleasant
June26°C79°F22°C72°F29 mm66%Pleasant
July28°C82°F25°C77°F20 mm63%Pleasant
August28°C83°F25°C78°F16 mm65%Pleasant
September25°C77°F22°C72°F43 mm68%Pleasant
October21°C70°F18°C65°F52 mm74%Pleasant
November17°C63°F14°C58°F61 mm77%Cool
December14°C57°F11°C52°F88 mm78%Cool

Best months across Greece

PlaceBest monthsWarmest month
AthensApr–Jun, Sep–OctJul (33°C)
SantoriniMay–Jun, Sep–OctAug (26°C)
MykonosMay–Jun, SepAug (25°C)
CreteMay–Jun, Sep–OctAug (28°C)
RhodesMay–Jun, Sep–OctAug (32°C)
CorfuMay–Jun, Sep–OctAug (30°C)
ThessalonikiApr–Jun, Sep–OctJul (34°C)
NaxosMay–Jun, Sep–OctAug (27°C)
ParosMay–Jun, Sep–OctAug (27°C)
ZakynthosMay–Jun, Sep–OctAug (29°C)
ChaniaMay–Jun, Sep–OctJul (30°C)
MilosMay–Jun, Sep–OctAug (26°C)
KosMay–Jun, Sep–OctAug (32°C)
KefaloniaMay–Jun, Sep–OctAug (29°C)
MeteoraApr–May, Sep–OctJul (36°C)
HalkidikiJun–SepJul (29°C)
IosJun–SepAug (26°C)
LefkadaMay–Jun, Sep–OctAug (31°C)
NafplioApr–Jun, Sep–OctJul (36°C)
SkiathosJun–Jul, SepAug (28°C)
HydraMay–Jun, Sep–OctAug (28°C)
PeloponneseApr–Jun, Sep–OctAug (33°C)
ThassosJun–Jul, SepAug (33°C)

Quick answers

What is the best month to visit Skiathos?

Jun–Jul, Sep. June and September have warm sea and fewer crowds. July–August is hot and packed; most hotels and tavernas shut from late October to April.

When is the rainy season in Skiathos?

Rain peaks in December with about 88 mm. No month averages 150 mm or more.

What is the hottest month in Skiathos?

August, with average highs of 28°C (83°F).

How cold does Skiathos get?

The coolest nights are in January, averaging 10°C (49°F).

More about Skiathos

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.5°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.