Westerland, Sylt weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: April – August
What is the weather like in Westerland, Sylt in December?
In December, Westerland, Sylt is cold: daytime highs average 6 °C, and nights cool down to about 3 °C. The sea averages 5.8 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 16 days, adding up to 86 mm. It is often windy, with gusts of around 40 km/h. All in all, December is not an ideal month for a holiday in Westerland, Sylt.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 2 | 3 | 5 |
| Day | 9° | 6° | 4° |
| Night | 6° | 3° | 2° |
| Sea | 9° | 6° | 4° |
| Sun | 3 h | 2 h | 3 h |
| Rain days | 17 | 16 | 15 |
More details for December
- Daylight
- 7 h 15 min08:45 – 15:59
- UV index
- 0 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 40 km/haverage daily peak
- Cloud cover
- 79 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Berlin
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 20 %15 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Warm jacket
- Rain jacket or umbrella
- Windproof jacket
Westerland, Sylt in December: quick answers
Is Westerland, Sylt hot in December?
No. In December, Westerland, Sylt is cold: daytime highs average 6 °C and nights drop to about 3 °C.
Can you swim in Westerland, Sylt in December?
Only if you don't mind cold water: in December the sea averages just 5.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Westerland, Sylt in December?
It rains often – on about 16 days, adding up to 86 mm.
Westerland, Sylt month by month
The whole year in Westerland, SyltAll destinations: Germany
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)