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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

Dunes and beach chairs on SyltSylt · DecemberPhoto: Sebastian Martin Dicke · CC BY-SA 4.0

Climate 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.

Climate averages for Sylt: selected and adjacent months
MonthAvg high °CAvg low °CRainy days (est.)Precipitation mmSun h/day (est.)Humidity %Wind m/sSea °CScore
November9717890.8866.9917
December (selected)6417910.5876.9614
January5316830.6887.1415

How do the previous and next months compare?

Baseline: December (14/100)

Positive and negative values show the change from the selected month.

Score ΔAverage high ΔAverage low ΔRainy days ΔRain ΔSun ΔHumidity ΔWind ΔSea 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

Rainy days (estimated)
16
J
13
F
12
M
10
A
11
M
11
J
14
J
16
A
15
S
17
O
17
N
17
D
Sunshine hours (estimated)h/day
1
J
1
F
3
M
5
A
7
M
7
J
7
J
5
A
4
S
2
O
1
N
1
D
Average daily high°C
5
J
4
F
5
M
8
A
12
M
15
J
18
J
19
A
17
S
13
O
9
N
6
D
Sea temperature°C
4
J
3
F
4
M
7
A
11
M
15
J
17
J
19
A
16
S
13
O
9
N
6
D
Dunes and beach chairs on Sylt

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Useful next decisions

Sylt · Month by month

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.