AI-generatedSkiathos at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 28°
- Warmest sea
- Aug · 26.4°
- Sunshine a year
- 2,620 h
- Rain a year
- 719 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 4 m
Climate in Skiathos
Skiathos has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 28 °C, while January is the coolest at 12 °C. With around 2,620 hours of sunshine a year, Skiathos is sunny; July is the sunniest month with 11.8 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: June – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 17°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 20°
- Evening, 20:00: about 19°
- Night, 23:00: about 18°
07:3418:49
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:18–08:10 · evening 18:13–19:06
- Blue hour
- Morning 07:07–07:18 · evening 19:06–19:16
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Skiathos in October?
In October, Skiathos is mild: daytime highs average 21 °C, and nights cool down to about 17 °C. The sea averages 21.6 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 66 mm. All in all, October is a so-so month for a holiday in Skiathos.
More details for October
- Daylight
- 11 h 15 min07:34 – 18:49
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 47 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %25 %
- Seaweight 25 %66 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 20 %72 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
Sea temperature in Skiathos
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 20.4 – 22.7 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Skiathos ranges from 14.0 °C in February to 26.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From September to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 25.5 and 27.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 14.4° | 13.6° | 15.5° | cold |
| FebruaryFeb | 14.0° | 13.2° | 14.9° | cold |
| MarchMar | 14.1° | 13.3° | 14.8° | cold |
| AprilApr | 15.2° | 14.5° | 16.1° | cold |
| MayMay | 18.6° | 17.7° | 19.9° | fresh |
| JuneJun | 22.9° | 22.1° | 23.9° | refreshing |
| JulyJul | 25.7° | 24.9° | 26.8° | pleasant |
| AugustAug | 26.4° | 25.5° | 27.2° | warm |
| SeptemberSep | 24.6° | 23.6° | 25.3° | pleasant |
| OctoberOct | 21.6° | 20.4° | 22.7° | refreshing |
| NovemberNov | 18.5° | 17.5° | 19.6° | fresh |
| DecemberDec | 16.0° | 14.9° | 17.1° | cold |
Sunshine hours in Skiathos
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.4 of 11.2 hours of daylight in Skiathos, 48 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Skiathos
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Skiathos: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Skiathos has about 8 rainy days with 66 mm of rain in total.
Wind and clouds in Skiathos
How breezy and how cloudy Skiathos is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Skiathos typically peaks at 16 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 47 % of the sky over Skiathos: variable cloud, with about 5.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Skiathos
How often the day gets hot in Skiathos (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Skiathos has about 0 hot days, with an average daytime high of 21 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Skiathos
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
PleasantOctober: nights around 17°. Ideal for sleeping, often with the window open. Muggy on about 2 days (dew point 18 °C or more).
The coolest nights are in January (8°), the warmest in August (24°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. It is muggy (dew point 18 °C or more) on about 68 days a year, mostly from June to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 14 | 12° | 8° | 14.4° | 3.9 h | 11 | 93 |
| FebruaryFeb | 17 | 12° | 9° | 14.0° | 4.8 h | 10 | 80 |
| MarchMar | 23 | 14° | 10° | 14.1° | 6.2 h | 10 | 81 |
| AprilApr | 33 | 17° | 12° | 15.2° | 7.9 h | 6 | 44 |
| MayMay | 55 | 21° | 17° | 18.6° | 9.0 h | 5 | 37 |
| JuneJun | 96 | 25° | 21° | 22.9° | 11.5 h | 3 | 16 |
| JulyJul | 100 | 28° | 24° | 25.7° | 11.8 h | 2 | 22 |
| AugustAug | 100 | 28° | 24° | 26.4° | 10.3 h | 3 | 22 |
| SeptemberSep | 90 | 25° | 21° | 24.6° | 7.8 h | 6 | 74 |
| OctoberOct | 48 | 21° | 17° | 21.6° | 5.4 h | 8 | 66 |
| NovemberNov | 23 | 17° | 14° | 18.5° | 4.0 h | 8 | 75 |
| DecemberDec | 11 | 13° | 10° | 16.0° | 3.4 h | 11 | 112 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
39.16° N, 23.49° E · 4 m · Europe/Athens
Best time to visit Skiathos
The best time to visit Skiathos is from June to September. For a beach holiday with the sea above 21 °C, go from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to November. The wettest month is December with 112 mm of precipitation.
Skiathos through the seasons
How the weather changes over the seasons, with averages for each.
Skiathos in spring
Mar – May
Poor
- 14–21 °C by day
- Sea 16 °C
- 8 h of sun a day
- 21 rainy days in all
Skiathos in summer
Jun – Aug
Excellent
- 25–28 °C by day
- Sea 25 °C
- 11 h of sun a day
- 8 rainy days in all
Skiathos in autumn
Sep – Nov
Fair
- 17–25 °C by day
- Sea 22 °C
- 6 h of sun a day
- 22 rainy days in all
Skiathos in winter
Dec – Feb
Poor
- 12–13 °C by day
- Sea 15 °C
- 4 h of sun a day
- 32 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Skiathos for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Skiathos
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Skiathos: score 100 against 48. In July, days are 7 °C warmer than in October. The sea is 4 °C warmer in July. July has 6 fewer rainy days. The sun shines 6 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 48 | 100better |
| Day high | 21° | 28° |
| Night low | 17° | 24° |
| Sea | 21.6° | 25.7° |
| Sunshine | 5.4 h | 11.8 hbetter |
| Rainy days | 8 | 2better |
| Rainfall | 66 mm | 22 mmbetter |
| Muggy days | 2better | 22 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jun – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Nov
15–28 °C and not too much rain
Skiathos month by month
The typical weather for every month at a glance.
14January12° · Sea 14° · 4 h
In January, Skiathos is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 14.4 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 93 mm in total. All in all, January is not an ideal month for a holiday in Skiathos.
Skiathos in January17February12° · Sea 14° · 5 h
In February, Skiathos is cool: daytime highs average 12 °C, and nights cool down to about 9 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 80 mm in total. All in all, February is not an ideal month for a holiday in Skiathos.
Skiathos in February23March14° · Sea 14° · 6 h
In March, Skiathos is cool: daytime highs average 14 °C, and nights cool down to about 10 °C. The sea averages 14.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 81 mm in total. All in all, March is not an ideal month for a holiday in Skiathos.
Skiathos in March33April17° · Sea 15° · 8 h
In April, Skiathos is mild: daytime highs average 17 °C, and nights cool down to about 12 °C. The sea averages 15.2 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 44 mm. All in all, April is not an ideal month for a holiday in Skiathos.
Skiathos in April55May21° · Sea 19° · 9 h
In May, Skiathos is mild: daytime highs average 21 °C, and nights cool down to about 17 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 37 mm. All in all, May is a so-so month for a holiday in Skiathos.
Skiathos in May96June25° · Sea 23° · 12 h
In June, Skiathos is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 22.9 °C – refreshing for a swim. With around 12 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 16 mm in total. All in all, June is an excellent month for a holiday in Skiathos.
Skiathos in June100July28° · Sea 26° · 12 h
In July, Skiathos is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 25.7 °C – pleasant for swimming. With around 12 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 22 mm in total. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Skiathos.
Skiathos in July100August28° · Sea 26° · 10 h
In August, Skiathos is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.4 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 22 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Skiathos.
Skiathos in August90September25° · Sea 25° · 8 h
In September, Skiathos is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 24.6 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 74 mm. All in all, September is an excellent month for a holiday in Skiathos.
Skiathos in September48October21° · Sea 22° · 5 h
In October, Skiathos is mild: daytime highs average 21 °C, and nights cool down to about 17 °C. The sea averages 21.6 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 66 mm. All in all, October is a so-so month for a holiday in Skiathos.
Skiathos in October23November17° · Sea 19° · 4 h
In November, Skiathos is mild: daytime highs average 17 °C, and nights cool down to about 14 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain falls on about 8 days, adding up to 75 mm. All in all, November is not an ideal month for a holiday in Skiathos.
Skiathos in November11December13° · Sea 16° · 3 h
In December, Skiathos is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 11 rainy days and 112 mm in total. All in all, December is not an ideal month for a holiday in Skiathos.
Skiathos in DecemberSkiathos compared
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Skiathos vs. Skopelos
In October the holiday weather in Skiathos and Skopelos is about equally good (score 48 vs. 45). During the day Skopelos is 1 °C cooler than Skiathos. The sea in Skopelos is 1 °C cooler. Skopelos gets one more hour of sunshine a day.
| in October | Skiathos | Skopelos |
|---|---|---|
| Holiday score | 48 | 45 |
| Daytime high | 21° | 20° |
| Sea | 22° | 21° |
| Sunshine | 5 h | 6 h |
| Rainy days | 8 | 7 |
| Best time | Jun – Sep | Jun – Sep |
Through the year
Greece in October: the best places
In October, Skiathos ranks 27 among the 31 nearest destinations in this country.
- Athens23°23°91
- 2Piraeus23°23°91
- 3Mycenae23°90
- 4Pella21°85
- 5Thebes22°84
- 6Larissa21°84
- 7Thessaloniki21°21°83
- 8Patras21°23°80
- 27SkiathosThis page21°22°48
Planning a trip to Skiathos
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Skiathos in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Skiathos has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 13).
- 30
Easter holidays
Mar – Apr
Poor
- 16 °C by day
- Sea 15 °C
- 7.4 h of sun a day
- 7 rainy days a month
- 63
May half-term
May – Jun
Good
- 22 °C by day
- Sea 19 °C
- 9.5 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 100
Summer holidays
Jul – Aug
ExcellentBest holidays
- 28 °C by day
- Sea 26 °C
- 10.8 h of sun a day
- 3 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 48
October half-term
Oct
Fair
- 21 °C by day
- Sea 22 °C
- 5.4 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 13
Christmas holidays
Dec – Jan
Poor
- 12 °C by day
- Sea 15 °C
- 3.7 h of sun a day
- 11 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 15 min
- Distance
- 2,300 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Skiathos
When is the best time to visit Skiathos?
The best time to visit Skiathos is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Skiathos?
The sea temperature in Skiathos ranges from 14.0 °C in February to 26.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Skiathos in October?
Yes. In October the sea averages 21.6 °C – refreshing for a swim.
What is the warmest month in Skiathos?
August is the warmest month, with average highs of 28 °C and nights around 24 °C. January is the coolest month at 12 °C.
When does it rain most in Skiathos?
The wettest month is December with 112 mm of precipitation. The driest month is June with 16 mm.
How many hours of sunshine does Skiathos get?
Skiathos gets around 2,620 hours of sunshine a year. The sunniest month is July with 11.8 hours a day; in December there are 3.4 hours a day.
What time zone is Skiathos in?
Skiathos uses the time zone Europe/Athens: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Skiathos?
A nonstop flight from London to Skiathos takes about 3 h 15 min, for a straight-line distance of about 2,300 km.
Which school holidays are best for Skiathos?
Skiathos has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 13). Holiday ratings (0–100): Easter holidays 30, May half-term 63, Summer holidays 100, October half-term 48, Christmas holidays 13.
Near Skiathos
Other destinations close by.
Places with a climate like Skiathos
Destinations whose weather through the year is closest to Skiathos's – good alternatives.