Current sea water temperature:
+42.4°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 12 | 42.4°F | January 7 | 43.0°F |
| January 11 | 42.6°F | January 6 | 43.2°F |
| January 10 | 42.8°F | January 5 | 43.9°F |
| January 9 | 42.6°F | January 4 | 44.1°F |
| January 8 | 42.8°F | January 3 | 44.2°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: 04:40
January 13, tuesday
0600
28°F
NW
2 mph
2 mph
0900
32°F
NE
0 mph
0 mph
1200
41°F
SW
1 mph
1 mph
1500
43°F
S
1 mph
1 mph
1800
32°F
NW
3 mph
3 mph
2100
34°F
N
4 mph
4 mph
January 14, wednesday
0000
30°F
W
1 mph
1 mph
0300
27°F
N
1 mph
1 mph
