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Alster

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Alster Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Alster year round climate

  • Spring (March–May): Average 6.3–14.1°C, gradually warming climate with moderate rainfall. Common activities: Outdoor walks, cycling, museum visits. Recommended clothing: Light jacket, comfortable long-sleeved shirts and pants.
  • Summer (June–August): Average 17.2–18.9°C, warm and humid climate with occasional rainfall. Common activities: Boating, water sports, picnics in the park. Recommended clothing: Light and breathable clothing, sun hat and sunscreen.
  • Autumn (September–November): Average 15.7–6.4°C, cool climate with more rainfall. Common activities: Visiting city attractions, tasting local cuisine. Recommended clothing: Warm jacket, comfortable long pants.
  • Winter (December–February): Average 4.0–5.4°C, cold and humid climate with heavier rainfall. Common activities: Indoor activities, museum visits, Christmas markets. Recommended clothing: Warm jacket, scarf, hat and gloves.

Alster climatological average

Annual average temperature: approx. 11°C / Annual rainfall: approx. 908 mm / Summer humidity: 65%–75% / Rainiest month: February

Alster monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.2°C
83
February
5.4°C
101.6
March
6.3°C
48.1
April
8.6°C
58.2
May
14.1°C
56.1
June
17.2°C
62.5
July
18°C
96.8
August
18.9°C
53.4
September
15.7°C
87.8
October
11.7°C
98.1
November
6.4°C
73.9
December
4°C
88.7

Alster weather for the next seven days

12/8
Monday
Moderate rain
11.4°C/8.5°C
12/9
Tuesday
Patchy rain nearby
11.9°C/10.1°C
12/10
Wednesday
Overcast
12.2°C/9.2°C
12/11
Thursday
Partly Cloudy
9.6°C/6°C
12/12
Friday
Partly Cloudy
8.6°C/5.3°C
12/13
Saturday
Patchy rain nearby
8.6°C/4.6°C
12/14
Sunday
Sunny
8°C/4.2°C

Alster Frequently Asked Questions and Useful Information for Travel

Are there walking paths around the Alster?

Yes, you can take a walk around the Binnenalster and Außenalster. This walk allows you to see Hamburg's most famous waters from all perspectives. Along the Alster, you will find impressive buildings, green banks, piers, and numerous restaurants and cafés.

What does Alster mean?

In the context of travel, 'Alster' most commonly refers to the Alster River and its lakes in Hamburg, Germany. These are central to the city's identity and popular for recreation, often referred to as the city's "liquid soul." The term Alsterwasser also refers to a shandy, a mix of beer and lemonade.

What is Alster lake known for?

Alster lake is known for its watersports opportunities. Boats, canoes, and kayaks can be hired at many spots around the Alster, and stand-up-paddling is a popular activity. In past cold winters, the Alster froze over, becoming a large ice-skating rink for locals.

Where is the Alster located?

The Alster is a right tributary of the Elbe river in Northern Germany. It flows through much of the Free and Hanseatic City of Hamburg and joins the Elbe in central Hamburg.

What activities can I do at the Alster?

At the Alster, you can enjoy a leisurely walk around its shores, hire boats, canoes, or kayaks for watersports, or try stand-up-paddling. The surrounding areas offer many restaurants and cafés to relax in.