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 48.2°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 73.9 °F
Warmest sea temp:
August 69.9 °F
July 69.2 °F
September 65.4 °F
Coldest months:
January 38.0 °F
December 39.6 °F
February 41.7 °F
Rainiest months:
May 7 days
June 7 days
July 7 days
Windiest months:
March 5.2 mph
May 5.1 mph
April 5.1 mph

Winterthur on a weather map

Current weather
21:04
Winterthur
+25°F
SW 8 mph
Feels like: +16°F
Precip.: 0%
Places in Switzerland:
Name
°F
Basle
+25°F
Berne
+25°F
Vevey
+21°F
Verbier
+14°F
Winterthur
+25°F
Gstaad
+10°F
Geneva
+30°F
Lake Geneva
+30°F
Lausanne
+30°F
Lugano
+27°F
Lucerne
+28°F
Montreux
+21°F
St Gallen
+25°F
Zermatt
+12°F
Zurich
+27°F
all places
24 Hours Forecast
Winterthur
Local time: 21:04
December 31, wednesday
0000
23°F
SW
7 mph
0300
23°F
SW
6 mph
0600
21°F
SW
4 mph
0900
21°F
SW
3 mph
1200
28°F
SW
6 mph
1500
30°F
SW
5 mph
1800
25°F
W
2 mph
2100
21°F
NW
1 mph
Units of measurement: °C / °F