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Sylt in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Sylt in December is climatically mixed. The average daily high is around 6 °C, and the sea is about 6 °C. With about 17 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
14/100 · #12
Warmth
#9
Dryness
#10
Sun
#12
Sea warmth
#9
Published best categories: none
Sylt · DecemberPhoto: Sebastian Martin Dicke · CC BY-SA 4.0Climate facts
- Average high
- 6 °C
- Average low
- 4 °C
- Sea
- 6 °C
- Rainy days (est.)
- 17 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 87 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 9 | 7 | 17 | 89 | 0.8 | 86 | 6.9 | 9 | 17 |
| December (selected) | 6 | 4 | 17 | 91 | 0.5 | 87 | 6.9 | 6 | 14 |
| January | 5 | 3 | 16 | 83 | 0.6 | 88 | 7.1 | 4 | 15 |
How do the previous and next months compare?
Baseline: December (14/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +3 | +2.9 °C | +2.9 °C | +0.1 | -1.2 mm | +0.3 h | -1.5 % | ±0 m/s | +3.2 °C |
| January | +1 | -1.6 °C | -1.5 °C | -0.8 | -7.2 mm | +0.1 h | +0.7 % | +0.2 m/s | -1.8 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Sylt in December?
The average daily high is around 6 °C, with an average daily low of about 4 °C.
Can you swim in Sylt in December?
The sea is about 6 °C (cold).
Does it rain a lot in Sylt in December?
The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 91 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Sylt?
No month in Sylt reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.