Skiathos weather by month & the best time to visit
Greece · beach resort · Mediterranean climate
The best time to visit Skiathos is August — its sunniest month (Sunshine Score 91/100), with July and May close behind. Skiathos averages about 2,524 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 16 mm of rain in August.
When is the best time to visit Skiathos?
For sunshine, the best time to visit Skiathos is August, then July and May. The dullest month is January (27/100, 67 mm of rain). The full month-by-month picture is in the table below.
How sunny is Skiathos?
Skiathos gets a lot of sun: around 2,524 hours a year. 64 Sunshine Score points separate August (91) from January (27), so the month you pick matters. It ranks #38 of 40 destinations in Greece for annual sunshine, below the national median of 2,896 hours. The year's 554 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 27 | 12° / 54°F | 9° / 48°F | 67 mm | 1 | 16° / 61°F |
| February | 35 | 13° / 55°F | 10° / 50°F | 58 mm | 2 | 15° / 59°F |
| March | 48 | 15° / 59°F | 11° / 52°F | 60 mm | 4 | 15° / 59°F |
| April | 66 | 17° / 63°F | 13° / 55°F | 34 mm | 5 | 17° / 63°F |
| May | 89 | 22° / 72°F | 18° / 64°F | 26 mm | 7 | 18° / 64°F |
| June | 88 | 26° / 79°F | 22° / 72°F | 29 mm | 8 | 24° / 75°F |
| July | 90 | 28° / 82°F | 25° / 77°F | 20 mm | 9 | 27° / 81°F |
| August | 91 | 28° / 82°F | 25° / 77°F | 16 mm | 8 | 27° / 81°F |
| September | 86 | 25° / 77°F | 22° / 72°F | 43 mm | 6 | 25° / 77°F |
| October | 84 | 21° / 70°F | 18° / 64°F | 52 mm | 4 | 23° / 73°F |
| November | 62 | 17° / 63°F | 14° / 57°F | 61 mm | 2 | 19° / 66°F |
| December | 39 | 14° / 57°F | 11° / 52°F | 88 mm | 1 | 17° / 63°F |
Sea temperature in Skiathos by month
The sea off Skiathos is warmest in July at around 27°C / 81°F, and coolest in February at 15°C / 59°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Skiathos compares month by month: Skiathos vs Athens · Skiathos vs Thessaloniki · Skiathos vs Patras · all comparisons
Skiathos: questions and answers
What kind of destination is Skiathos?
Skiathos is a beach resort in Greece with a Mediterranean climate — the sea reaches 27°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Skiathos get a year?
Skiathos gets about 2,524 hours of sunshine a year, at its best around August.
When is the best time to visit Skiathos?
The sunniest time to visit Skiathos is August, when the Sunshine Score peaks at 91/100 (with July and May close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Skiathos?
January is the least sunny month in Skiathos, scoring 27/100 with about 67 mm of rain.
What is the sea temperature in Skiathos?
The sea in Skiathos ranges from about 15°C (February) to 27°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Skiathos?
The typical midday UV index in Skiathos peaks around 9 (very high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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