Climate Insights for Westerland / Sylt

The climate in Westerland / Sylt is temperate. The average annual temperature is 10°C and approximately 1024mm of precipitation falls per year. Westerland / Sylt receives a notable amount of rainfall throughout the year, including during its driest month. Westerland / Sylt is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 3°C. Light snow can occur between January and December.

Westerland / Sylt sees moderate temperature variation throughout the year, ranging from 3°C to 19°C. August is the warmest month, though highs remain moderate at 19°C with a mean of 18°C. February is the coolest month, with minimum temperatures around 3°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Westerland / Sylt is a moderately rainy area, receiving approximately 1024mm of precipitation annually, which averages out to around 85mm per month. The wettest month is October, averaging 127mm of rainfall. September and November also tend to see above-average precipitation. The driest month is April, with just 52mm. That's 75mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 17cm annually. February is the snowiest month with approximately 5cm.

Westerland / Sylt is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 30km/h in winter, 25km/h in spring, 24km/h in summer, 28km/h in autumn.

It is currently autumn in Westerland / Sylt, which began on September 23, 2026. Westerland / Sylt is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 19°C, while the coldest stretch bottoms out in February near 3°C. Winter is next, beginning on December 21, 2026 (89 days from now).

The best time to visit Westerland / Sylt is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 89mm per month. By contrast, February can be quite cold with temperatures dropping to 3°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Westerland / Sylt based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.