SeasonMapSylt weather by month
Germany
The best time to visit Sylt is June to August — 84/100 in August, 21°C and 9 rainy days. The best season is summer, June to August (82/100 on average).
The worst month is December at 31/100 — cold, a little rain, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Germany →
Sylt, month by month
Comfort score out of 100 for the kind of trip Sylt is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 33 | F | 6°C | 14 d | 3 h | Busy | 2 |
| FebFebruary | 42 | F | 6°C | 10 d | 5 h | Shoulder | 3 |
| MarMarch | 55 | D | 8°C | 9 d | 8 h | Busy | 2 |
| AprApril | 68 | C | 11°C | 8 d | 11 h | Busy | 1 |
| MayMay | 76 | B | 15°C | 7 d | 12 h | Busy | 1 |
| JunJune | 79 | B | 19°C | 9 d | 13 h | Busy | 1 |
| JulJuly | 82 | A | 20°C | 11 d | 12 h | Peak | 3 |
| AugAugust | 84 | A | 21°C | 9 d | 12 h | Peak | 4 |
| SepSeptember | 72 | B | 19°C | 13 d | 9 h | Busy | 4 |
| OctOctober | 53 | D | 14°C | 16 d | 6 h | Peak | 3 |
| NovNovember | 39 | F | 10°C | 15 d | 3 h | Quiet | 2 |
| DecDecember | 31 | F | 7°C | 13 d | 2 h | Busy | 2 |
What's on in Sylt through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Beach pass charge1 Jan – 31 DecRule
- February
- Biikebrennen21 FebFestival
- July
- German summer holidays1 Jul – 31 Aug (usually)Holiday
- North Sea swimming season1 Jul – 10 Sep (usually)Season
- August
- Heather in flower10 Aug – 20 Sep (usually)Nature
- September
- Windsurf World Cup25 Sep – 4 OctFestival
- October
- Gale and storm surge season15 Oct – 15 Mar (usually)Hazard
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