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
Verbier 48.1°F 48.9°F
Gstaad 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 73.9 °F
Warmest sea temp:
August 69.9 °F
July 69.2 °F
September 65.4 °F
Coldest months:
January 37.9 °F
December 39.5 °F
February 42.0 °F
Rainiest months:
May 7 days
June 7 days
July 7 days
Windiest months:
May 5.1 mph
March 5.1 mph
April 5.0 mph

Winterthur on a weather map

Winterthur
+54°F
E 6 mph
Feels like: +52°F
Precip.: 84%
Places in Switzerland:
Name
°F
+52°F
+55°F
+50°F
+45°F
+54°F
+46°F
+59°F
+59°F
+41°F
+55°F
+52°F
+50°F
+52°F
+45°F
+54°F
24 Hours Forecast
Winterthur
Local time: 19:21
May 19, tuesday
2100
50°F
N
3 mph
May 20, wednesday
0000
45°F
N
4 mph
0300
46°F
N
2 mph
0600
46°F
NE
3 mph
0900
52°F
NE
3 mph
1200
63°F
E
6 mph
1500
68°F
E
8 mph
1800
66°F
E
9 mph
Units of measurement: °C / °F