SeasonMapSkiathos weather in August
Greece
August in Skiathos: hot, dry — one of the best months to visit.
#2 of 12 months in Skiathos · #204 of 1383 destinations to visit in August · comfort 91/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Skiathos in August
Notes from nearby Halkidiki (97 km away)
Skiathos doesn't have its own notes for August yet — these are about Halkidiki, close enough to share the season.
Halkidiki's forum calls August reliably hot, sometimes well into the 30s°C, with sunny conditions close to guaranteed and air conditioning strongly recommended for accommodation. Regulars flag it as the busiest, noisiest month locally, and note that while the odd unlucky stretch of cloud and thunderstorms can turn up, it's genuinely the exception rather than the rule for August here.
Other months in Skiathos
Skiathos's forum calls July hot and mostly dry, daily highs in the high 20s°C easing only into the mid-20s after dark, with any rain arriving in short, sporadic bursts rather than washing out a day. Regulars flag the UV as genuinely strong — sun protection isn't optional — and credit the sea breeze with making al fresco dinners and beach afternoons bearable during what's both the hottest and busiest month.
Add your own note from Skiathos's card on the map.
Skiathos climate normals — August
| Daytime high | 27°C / 81°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 30°C / 86°F | |
| Sea temperature | 27°C / 80°F | 😎 warm sea |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.7 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Skiathos in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsGreek August, Summer holidays in Greece, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Skiathos's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherSkiathos's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Skiathos in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea warm enough to swim
10 Jun – 5 Oct · usuallySheltered Aegean water inside the Sporades, warm from June to early October. The pine-backed south-coast bays swim on days when the exposed north side is closed out.
- Season
The meltemi
1 Jul – 31 Aug · usuallyWind seasonRiskWeaker here than in the Cyclades but strong enough to stop the boat trips to Skopelos and to bend the landing approach into the airport, which is why people stand at the end of the runway to watch it.
- Holiday
Greek August
1–25 AugSchool holidaysCrowdedBook earlyDomestic holidays and the 15 August feast, on an island whose beaches are reached by one road and one bus. Koukounaries is full by ten and the bus runs standing room only. Source ↗
Nearby, and something's on
Within 300 km of Skiathos — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Skiathos?
Skiathos in August — FAQ
- Is August a good time to visit Skiathos?
- August in Skiathos: hot, dry — one of the best months to visit. It ranks #2 of 12 months for Skiathos on SeasonMap's comfort score (91/100).
- What is the weather like in Skiathos in August?
- In August, Skiathos averages a daily high of 27.2°C and a low of 25.2°C, with about 28.4 mm of rain over roughly 3.1 rainy days.
- What is the air quality in Skiathos in August?
- Skiathos has a mean US Air Quality Index of about 52 in August.
Other months in Skiathos
Compare Skiathos in August
Warmer or cooler than Skiathos in August
Similar destinations in Southern Europe — August
Within 300 km: Athens' Athens Epidaurus Festival on 1 Jun – 29 Aug, and Paros' Naoussa pirate raid on 23 Aug.