Current sea water temperature:
+75.7°F
| Minimum sea water temperature in July: | 79.7°F |
| Maximum sea water temperature in July: | 32.0°F |
| Average sea water temperature in July: | 69.6°F |
| more information | |
14 days
forecast
forecast
| Winterthur |
monthly
weather
weather
| Winterthur |
Sea water temperature for the last 10 days:
| July 21 | 75.7°F | July 16 | 76.5°F |
| July 20 | 75.7°F | July 15 | 76.8°F |
| July 19 | 76.6°F | July 14 | 76.8°F |
| July 18 | 76.5°F | July 13 | 76.6°F |
| July 17 | 75.7°F | July 12 | 76.3°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 79.7°F and 74.8°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
July
July
| Winterthur |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 17:50
July 21, tuesday
1800

73°F
S
4 mph
4 mph
2100

63°F
SW
6 mph
6 mph
July 22, wednesday
0000

55°F
SW
6 mph
6 mph
0300

50°F
W
2 mph
2 mph
0600

48°F
NW
2 mph
2 mph
0900

63°F
SW
2 mph
2 mph
1200

72°F
SW
4 mph
4 mph
1500

77°F
S
2 mph
2 mph



























