SeasonMapSylt weather in August
Germany
August in Sylt: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Sylt · #509 of 1383 destinations to visit in August · comfort 84/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sylt in August
Sylt's forum calls August peak season but not a weather guarantee — regulars note it's an island climate first, so a light jacket is standard packing advice for breezy evenings even in high summer. It's also the wettest month, with showers likely on a good third of the days.
Add your own note from Sylt's card on the map.
Sylt climate normals — August
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 20°C / 68°F | |
| Sea temperature | 19°C / 66°F | 🧊 bracing |
| Rainfall | 64 mm / 2.5 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 14.9 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sylt 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 crowdstravelers describe it as peak season, German summer holidays, Summer holidays in Germany
Sourced from traveler notes: “Sylt's forum calls August peak season but not a weather guarantee — regulars note it's an island…” — Tripadvisor community
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).
Best weatherSylt's weather peaks June–August.
August includes Heather in flower.
Best weatherFair weatherToughest weather
What's on in Sylt in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Beach pass charge
1 Jan – 31 DecA 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 ↗
- Holiday
German summer holidays
1 Jul – 31 Aug · usuallySchool holidaysCrowdedBook earlyHamburg and North Rhine-Westphalia empty onto this island for eight weeks. Beds are booked a year ahead, the Sylt Shuttle car train queues, and the beach walk to Kampen fills. Source ↗
- Season
North Sea swimming season
1 Jul – 10 Sep · usuallySea warm enoughThe water reaches the high teens in late summer and no higher. It is a wind and walking coast rather than a swimming one, and the strand baskets exist for a reason.
- Nature
Heather in flower
10 Aug – 20 Sep · usuallyWildflowers & bloomsThe dune heath in the Braderuper Heide and along the eastern side goes purple from the middle of August for about a month, which is the island at its best on foot.
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?
Sylt in August — FAQ
- Is August a good time to visit Sylt?
- August in Sylt: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Sylt on SeasonMap's comfort score (84/100).
- What is the weather like in Sylt in August?
- In August, Sylt averages a daily high of 20.9°C and a low of 15.9°C, with about 64 mm of rain over roughly 9.3 rainy days.
- What is the air quality in Sylt in August?
- Sylt has a mean US Air Quality Index of about 47 in August.
Other months in Sylt
Compare Sylt in August
Warmer or cooler than Sylt in August
Similar destinations in Central Europe — August
Within 300 km: Copenhagen's Tivoli summer season on 27 Mar – 20 Sep, and Hamburg's Alster and pool season around 15 May – 10 Sep.