Average sea water temperature in July:
+69.6°F
| Minimum sea water temperature in July: | 79.7°F |
| Maximum sea water temperature in July: | 32.0°F |
Daily 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.
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| Winterthur |
monthly
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| Winterthur |
current
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| Winterthur |
14 days
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| Winterthur |
Monthly sea water temperature in Winterthur, °F
Which Switzerland resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Geneva | 76.6°F | 72.0°F |
| Zurich | 76.5°F | 74.0°F |
| Winterthur | 76.5°F | 73.9°F |
| Montreux | 76.3°F | 73.0°F |
| Gstaad | 76.3°F | 73.0°F |
| Verbier | 76.3°F | 73.0°F |
| Vevey | 76.0°F | 72.7°F |
| Lake Geneva | 75.5°F | 71.8°F |
| Lausanne | 75.0°F | 72.0°F |
| St Gallen | 74.7°F | 72.9°F |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 20:15
July 21, tuesday
2100

59°F
W
6 mph
6 mph
July 22, wednesday
0000

57°F
SW
2 mph
2 mph
0300

50°F
W
1 mph
1 mph
0600

46°F
W
1 mph
1 mph
0900

63°F
SW
2 mph
2 mph
1200

73°F
SW
3 mph
3 mph
1500

79°F
S
2 mph
2 mph
1800

75°F
N
3 mph
3 mph




























