Measurements:
°C
°F
Winterthur
46°F
SW 2 mph
Feels like: 46°F
Precip: 39%
World Resorts Switzerland Winterthur Weather

Winterthur Sea Water Temperature

Current Sea Water Temperature:
+61.4°F
Maximum Sea Water Temperature in October: 69.8°F
Minimum Sea Water Temperature in October: 30.0°F
Average water temperature in October: 57.9°F

Sea Water Temperature for the Last 10 Days:

October 19 61.4°F October 14 60.8°F
October 18 61.8°F October 13 59.0°F
October 17 62.2°F October 12 59.8°F
October 16 61.0°F October 11 60.2°F
October 15 61.0°F October 10 60.6°F

When is the Warmest Sea for Winterthur?

According to our data for the last three years for Winterthur the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Winterthur was 79.5°F. The maximum and minimum values were 75.0°F and 82.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Winterthur was 78.9°F. The maximum and minimum values were 76.6°F and 83.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Winterthur was 72.2°F. The maximum and minimum values were 65.8°F and 76.8°F respectively.

Best Time to Visit Winterthur
The most sunny months:
August 15 days
July 13 days
April 12 days
The most warm months:
July 79.2 °F
August 79.0 °F
June 76.8 °F
Warmest sea temperature:
August 72.6 °F
July 71.9 °F
September 67.4 °F
The most cold months:
January 36.5 °F
December 38.4 °F
February 41.1 °F
The most rainy months:
May 7 days
June 6 days
July 6 days
The most windy months:
March 5 mph
May 5 mph
April 5 mph

Winterthur on the Weather Map

Switzerland Resorts:
NAME
F°
Berne +44
Geneva +52
Gstaad +36
Lake Geneva +52
Lausanne +48
Lugano +50
Montreux +44
Spitz +40
St Gallen +50
St Moritz +42
Verbier +38
Vevey +44
Winterthur +46
Zermatt +32
Zurich +46
24 Hours Weather Forecast
Winterthur
Local time: 10:10
19 oct, monday
1200 56°F
SW
6 mph
1500 60°F
SW
6 mph
1800 56°F
SW
5 mph
2100 54°F
SW
3 mph
20 oct, tuesday
0000 44°F
S
2 mph
0300 40°F
SW
2 mph
0600 40°F
SW
2 mph
0900 42°F
SW
2 mph