World Resorts Switzerland Winterthur Weather

Winterthur Sea Temperature in December

Average sea water temperature in December:
+45.5°F
Minimum sea water temperature in December: 49.3°F
Maximum sea water temperature in December: 41.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 47.1°F and 43.2°F.

Monthly sea water temperature in Winterthur, °F

Which Switzerland resorts have warmest sea in December?

Place name December 2025 December 2024
Geneva 49.4°F 49.5°F
Lake Geneva 48.3°F 49.0°F
Lausanne 48.2°F 48.9°F
Vevey 48.1°F 49.0°F
Montreux 48.1°F 48.9°F
Gstaad 48.1°F 48.9°F
Verbier 48.1°F 48.9°F
St Gallen 45.6°F 46.0°F
Winterthur 45.3°F 45.8°F
Zurich 45.3°F 45.8°F

Best time for vacation in Winterthur

Sunniest months:
August 15 days
July 13 days
April 12 days
Warmest months:
August 76.0 °F
July 76.0 °F
June 74.1 °F
Warmest sea temp:
August 69.9 °F
July 69.7 °F
September 65.4 °F
Coldest months:
January 37.9 °F
December 39.5 °F
February 42.0 °F
Rainiest months:
May 7 days
July 7 days
June 6 days
Windiest months:
March 5.1 mph
May 5.1 mph
April 5.0 mph

Winterthur on a weather map

Current weather
20:13
Winterthur
+59°F
W 6 mph
Feels like: +59°F
Precip.: 6%
Places in Switzerland:
Name
°F
Berne
+57°F
Vevey
+55°F
Verbier
+45°F
Winterthur
+59°F
Gstaad
+46°F
Geneva
+64°F
Lake Geneva
+63°F
Interlaken
+50°F
Lausanne
+68°F
Lugano
+55°F
Lucerne
+57°F
Montreux
+55°F
St Gallen
+59°F
Zermatt
+39°F
Zurich
+63°F
all places
24 Hours Forecast
Winterthur
Local time: 20:13
July 21, tuesday
2100
59°F
W
6 mph
July 22, wednesday
0000
57°F
SW
2 mph
0300
50°F
W
1 mph
0600
46°F
W
1 mph
0900
63°F
SW
2 mph
1200
73°F
SW
3 mph
1500
79°F
S
2 mph
1800
75°F
N
3 mph
Units of measurement: °C / °F