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Lake Constance

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Lake Constance Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Lake Constance year round climate

  • Spring (March–May): Average 7.5–15.1°C, mild climate but with relatively high rainfall, especially in May. Popular activities: Lakeside walks, boat trips, visiting castles and attractions in the surrounding area. Recommended clothing: Light jacket, comfortable casual wear, and rain gear.
  • Summer (June–August): Average 19.5–20.7°C, warm and humid climate with abundant sunshine, ideal for water sports. Popular activities: Swimming, sailing, windsurfing, cycling, exploring the towns around the lake. Recommended clothing: Light and breathable clothing, sun hat, sunglasses, and sunscreen.
  • Autumn (September–November): Average 12.5–15.8°C, pleasant climate, but with relatively high rainfall and a larger temperature difference between day and night. Popular activities: Visiting wineries, tasting local cuisine, hiking. Recommended clothing: Comfortable long-sleeved shirts, light jacket, and shoes suitable for outdoor activities.
  • Winter (December–February): Average 2.2–4.9°C, cold and humid climate, with occasional snowfall. Popular activities: Enjoying lake views, indoor activities, spa treatments. Recommended clothing: Warm jacket, scarf, hat, gloves, and waterproof shoes.

Lake Constance climatological average

Annual average temperature: approx. 11°C / Annual rainfall: approx. 1044 mm / Summer humidity: 70%–80% / Rainiest month: May

Lake Constance monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
2.2°C
48.4
February
4.9°C
40.4
March
7.5°C
67.7
April
9.4°C
96.7
May
15.1°C
131.2
June
19.5°C
112.8
July
20.7°C
91.7
August
20.6°C
118.9
September
15.8°C
96.8
October
12.5°C
72.2
November
6.2°C
92.6
December
2.8°C
75.1

Lake Constance weather for the next seven days

12/12
Friday
Partly Cloudy
9.9°C/2.9°C
12/13
Saturday
Sunny
8.5°C/1.1°C
12/14
Sunday
Sunny
7.7°C/0.5°C
12/15
Monday
Sunny
8.3°C/0.1°C
12/16
Tuesday
Sunny
7.3°C/-0.2°C
12/17
Wednesday
Sunny
7.1°C/0.5°C
12/18
Thursday
Sunny
8.5°C/0.5°C