Sylt weather in October

October in Sylt: cool, rainy, with clean air — a fair time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Sylt🇩🇪 Germany · Central Europe · Island53
  1. 33Jan
  2. 42Feb
  3. 55Mar
  4. 68Apr
  5. 76May
  6. 79Jun
  7. 82Jul
  8. 84Aug
  9. 72Sep
  10. 53Oct
  11. 39Nov
  12. 31Dec

#8 of 12 months in Sylt · #1271 of 1413 destinations to visit in October · comfort 53/100 (tier D)

Days
14°C
Nights
11°C
Wet days
16
Sun
5.8 h
Humidity
81%
Daylight
11 h
Sylt, Germany
Photo: Joerg Mangelsen · Pexels

Traveller notes on Sylt in October

Other months in Sylt

Regulars are specific this counts as one of the driest months of the year here, the heathland beginning to turn green and rapeseed fields glowing yellow across the island even as the weather stays genuinely cold and unstable through April and into the first half of May. Our row backs that cold, genuinely dry read, 11.1C over 5.6C nights feeling as low as 0C, with rain light at 37mm across 7.7 days and a real 32.2 kph wind. Regulars are consistent the North Sea wind can cut right through even a mild-looking day, a sturdy windbreaker and real layers the standard advice rather than an afterthought. The sea sits at a cold 8C, far too cold for anyone but the hardiest. The record: 10.6 hours of sun, humidity 79 percent and AQI 46.
DriestMonthButColdUnstableSpring · April · 1 month ago · Read more on tripadvisor.co.uk ↗
Regulars are clear this is past the island's peak beach window, which they place at July and August, but still call it a genuinely nice month for long walks along the beach and a spa afternoon rather than a swim-focused trip. Our row backs the cooling shift, 18.7C over 14.1C nights feeling 11C, with 94.1mm of rain across 12.5 days and a real 33.2 kph wind - this coast's wind is a near-constant regulars build every outdoor plan around, not an occasional feature. The sea has cooled to 18.8C, swimmable for the hardy but no longer the main draw. The trade for coming now rather than August is space: crowds and prices both ease once the summer event calendar winds down. The record: humidity 79 percent, 8.9 hours of sun and AQI 47.
PastPeakStillGoodForWalksAndSpas · September · 1 month ago · Read more on Tripadvisor ↗
Asked about the end of May here, regulars answer with the island's standing condition rather than a forecast: it faces the North Sea, it is wet and windy, bring proper wind and rain gear, and do not believe any forecast more than about two days out. Our row is more generous than that sounds on two counts - 37.7mm across 6.5 days is one of the drier months, and 12.2 hours of sun sit inside 16.2 of daylight. The catch is the third number. A 31.4 kph average wind turns a 15.3C afternoon into a felt 12C and a 9.7C night into 5C, so this is beach walking and spa weather, not sunbathing. The sea is 11.4C. Peak season here is July and August. The record: humidity 80 percent and AQI 46.
TheSunIsThereTheWindTakesIt · May · 1 month ago · Read more on Tripadvisor ↗
Facing the open North Sea, Sylt is usually wet and windy and regulars tell first-timers to pack rainproof gear before anything else. Our June row is the windiest in Europe in this collection at 30.7 kph, under 18.8C that reads as 17C, with 54.7mm across 8.7 precipitation days. The sea is about 16C, which they say plainly is too cold for most people to swim. This is why the roofed wicker beach chair exists here - it is shelter rather than furniture. Their framing is that the North Sea rewards an interest in nature over an interest in bathing: tidelands, birds, rough weather, and swimming possible only for a few hours around the tide. The record: 13.3C nights, humidity 81 percent, 12.5 hours of sun and 17.3 hours of daylight.
ThatIsWhatTheBeachChairIsFor · June · 1 month ago · Read more on Tripadvisor ↗

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Sylt climate normals — October

Daytime high14°C / 57°F🙂 cool
Nighttime low11°C / 51°F
Feels like (high)11°C / 52°F
Sea temperature14°C / 57°F🥶 cold sea
Rainfall97 mm / 3.8 in🌧 rainy
Rainy days16 days
Humidity81%💦 very humid
Dew point9°C / 49°F
Sunshine5.8 h/day
Daylight10.5 h
Wind39 km/h / 24 mph
Air quality (US AQI)40🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Sylt in October

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 crowdsWindsurf World Cup, Autumn holidays in Germany, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Sylt'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).

Fair weatherSylt's weather peaks June–August.

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Best weatherFair weatherToughest weather

What's on in Sylt in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Beach pass charge

    1 Jan – 31 Dec

    A spa fee is charged island-wide and a day pass is sold at the beach crossings; under-18s are exempt. Overnight guests pay it through the accommodation whether they use the beach or not. Source ↗

  • Festival

    Windsurf World Cup

    25 Sep – 4 OctSporting eventCrowded

    The tour finishes in front of Westerland at the end of September, when the autumn wind arrives. Ten days of competition and a promenade full of tents, free to watch from the beach. Source ↗

  • Hazard

    Gale and storm surge season

    15 Oct – 15 Mar · usuallyWinter storms & gales

    Autumn and winter gales run at the west beach and take metres of sand with them; storm tides close the ferry and the promenade for a day at a time. It is why the island is fed sand every year. Source ↗

What's on around the world in October →

Nearby, and something's on

Within 300 km of Sylt — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Sylt?

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Sylt in October — FAQ

Is October a good time to visit Sylt?
October in Sylt: cool, rainy, with clean air — a fair time to visit. It ranks #8 of 12 months for Sylt on SeasonMap's comfort score (53/100).
What is the weather like in Sylt in October?
In October, Sylt averages a daily high of 14.1°C and a low of 10.5°C, with about 96.5 mm of rain over roughly 15.7 rainy days.
What is the air quality in Sylt in October?
Sylt has a mean US Air Quality Index of about 40 in October.

Within 300 km: Copenhagen's Tivoli Halloween season on 2 Oct – 1 Nov.