Current sea water temperature:
+42.8°F
| Minimum sea water temperature in January: | 45.0°F |
| Maximum sea water temperature in January: | 32.0°F |
| Average sea water temperature in January: | 41.5°F |
| more information | |
14 days
forecast
forecast
| Winterthur |
monthly
weather
weather
| Winterthur |
Sea water temperature for the last 10 days:
| January 8 | 42.8°F | January 3 | 44.2°F |
| January 7 | 43.0°F | January 2 | 44.6°F |
| January 6 | 43.2°F | January 1 | 44.8°F |
| January 5 | 43.9°F | December 31 | 44.4°F |
| January 4 | 44.1°F | December 30 | 44.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Winterthur?
Based on the data about daily sea water temperature for the last three years the warmest sea in Winterthur was noticed in August, July and September.
Monthly Sea Temperatures in Winterthur, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 73.9°F. The highest and lowest sea temperatures during the month were 78.4°F and 71.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 71.1°F and 63.5°F.
current
weather
weather
| Winterthur |
weather in
January
January
| Winterthur |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 12:19
January 08, thursday
1500

37°F
NE
12 mph
12 mph
1800

39°F
NE
12 mph
12 mph
2100

34°F
N
5 mph
5 mph
January 09, friday
0000

34°F
N
5 mph
5 mph
0300

34°F
N
4 mph
4 mph
0600

41°F
E
21 mph
21 mph
0900

39°F
NE
16 mph
16 mph
1200

39°F
NE
14 mph
14 mph


























