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Sylt in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Sylt in January is climatically mixed. The average daily high is around 5 °C, and the sea is about 4 °C. With about 16 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
15/100 · #11
Warmth
#11
Dryness
#9
Sun
#11
Sea warmth
#11
Published best categories: none
Sylt · JanuaryPhoto: Sebastian Martin Dicke · CC BY-SA 4.0Climate facts
- Average high
- 5 °C
- Average low
- 3 °C
- Sea
- 4 °C
- Rainy days (est.)
- 16 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 88 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| December | 6 | 4 | 17 | 91 | 0.5 | 87 | 6.9 | 6 | 14 |
| January (selected) | 5 | 3 | 16 | 83 | 0.6 | 88 | 7.1 | 4 | 15 |
| February | 4 | 2 | 13 | 67 | 1.4 | 88 | 6.7 | 3 | 21 |
How do the previous and next months compare?
Baseline: January (15/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| December | -1 | +1.6 °C | +1.5 °C | +0.8 | +7.2 mm | -0.1 h | -0.7 % | -0.2 m/s | +1.8 °C |
| February | +6 | -0.6 °C | -0.5 °C | -3.5 | -16.9 mm | +0.8 h | +0.1 % | -0.4 m/s | -0.8 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Sylt in January?
The average daily high is around 5 °C, with an average daily low of about 3 °C.
Can you swim in Sylt in January?
The sea is about 4 °C (cold).
Does it rain a lot in Sylt in January?
The curated estimate is about 16 rainy days per month, not a directly measured long-term average. Total precipitation averages around 83 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.