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Sylt in July: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Sylt in July is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 18 °C, and the sea is about 17 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
52/100 · #2
Warmth
#2
Dryness
#6
Sun
#3
Sea warmth
#2
Published best categories: City break, Active
Sylt · JulyPhoto: Sebastian Martin Dicke · CC BY-SA 4.0Climate facts
- Average high
- 18 °C
- Average low
- 16 °C
- Sea
- 17 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 83 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| June | 15 | 13 | 11 | 65 | 7.0 | 84 | 5.2 | 15 | 47 |
| July (selected) | 18 | 16 | 14 | 74 | 6.5 | 83 | 5.2 | 17 | 52 |
| August | 19 | 17 | 16 | 85 | 5.3 | 82 | 5.3 | 19 | 53 |
How do the previous and next months compare?
Baseline: July (52/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| June | -5 | -2.6 °C | -2.6 °C | -2.7 | -9.5 mm | +0.5 h | +0.5 % | +0.1 m/s | -2.6 °C |
| August | +1 | +0.8 °C | +0.8 °C | +1.5 | +10.4 mm | -1.2 h | -1.4 % | +0.2 m/s | +1.1 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Sylt in July?
The average daily high is around 18 °C, with an average daily low of about 16 °C.
Can you swim in Sylt in July?
The sea is about 17 °C (cold).
Does it rain a lot in Sylt in July?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 74 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.