Measurements:
°C
°F
CURRENT WEATHER
20:55
Winterthur
66°F
W 3 mph
Feels like: 66°F
Precip: 0%
World Resorts Switzerland Winterthur Weather

7 Day Weather Forecast

05.27
wed
DAY
86°F
SE 3 mph
precip
0%
NIGHT
62°F
SW 4 mph
precip
0%
05.28
thu
DAY
78°F
SW 7 mph
precip
0%
NIGHT
58°F
SW 3 mph
precip
0%
05.29
fri
DAY
80°F
SW 7 mph
precip
0%
NIGHT
58°F
W 3 mph
precip
0%
05.30
sat
DAY
84°F
S 3 mph
precip
0%
NIGHT
62°F
N 2 mph
precip
0%
05.31
sun
DAY
72°F
NE 7 mph
precip
0%
NIGHT
54°F
N 3 mph
precip
0%
06.01
mon
DAY
74°F
E 6 mph
precip
0%
NIGHT
56°F
N 2 mph
precip
0%
06.02
tue
DAY
72°F
E 9 mph
precip
100%
NIGHT
50°F
N 5 mph
precip
100%

Winterthur Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Winterthur was 15.6°F. The maximum and minimum values were 14.2°F and 19.6°F respectively.

Winterthur on the Weather Map

Best Time to Visit Winterthur
The most sunny months:
August 15 days
July 13 days
April 12 days
The most warm months:
August 78.9 °F
July 78.9 °F
June 76.6 °F
Warmest sea temperature:
August 72.1 °F
July 71.4 °F
September 67.1 °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 7 days
July 7 days
The most windy months:
March 5 mph
May 5 mph
April 5 mph
more details