Measurements:
°C
°F
Montreux
60°F
NW 4 mph
Feels like: 60°F
Precip: 8%
World Resorts Switzerland Montreux Weather

Montreux Sea Water Temperature

Current Sea Water Temperature:
+79.4°F
Maximum Sea Water Temperature in July: 79.8°F
Minimum Sea Water Temperature in July: 30.0°F
Average water temperature in July: 71.3°F

Sea Water Temperature for the Last 10 Days:

July 08 79.4°F July 03 78.8°F
July 07 79.2°F July 02 78.8°F
July 06 78.2°F July 01 79.8°F
July 05 77.8°F June 30 80.6°F
July 04 78.4°F June 29 79.2°F

When is the Warmest Sea for Montreux?

According to our data for the last three years for Montreux 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Montreux was 76.0°F. The maximum and minimum values were 73.2°F and 79.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Montreux was 75.5°F. The maximum and minimum values were 73.2°F and 79.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Montreux was 70.5°F. The maximum and minimum values were 67.0°F and 74.2°F respectively.

Best Time to Visit Montreux
The most sunny months:
August 18 days
October 16 days
September 15 days
The most warm months:
August 71.7 °F
July 71.2 °F
June 68.2 °F
Warmest sea temperature:
August 72.2 °F
July 71.2 °F
September 67.8 °F
The most cold months:
January 32.0 °F
December 34.6 °F
February 35.4 °F
The most rainy months:
May 10 days
June 9 days
July 9 days
The most windy months:
January 4 mph
March 4 mph
December 4 mph

Montreux on the Weather Map

Switzerland Resorts:
NAME
Basle +66
Berne +62
Geneva +66
Gstaad +50
Interlaken +56
Lake Geneva +66
Lausanne +70
Lucerne +64
Lugano +60
Montreux +60
St Gallen +64
Verbier +46
Vevey +60
Winterthur +62
Zurich +66
24 Hours Weather Forecast
Montreux
Local time: 01:23
09 jul, thursday
0300 58°F
NW
4 mph
0600 56°F
NW
4 mph
0900 68°F
W
2 mph
1200 80°F
S
5 mph
1500 84°F
S
7 mph
1800 82°F
S
6 mph
2100 66°F
SW
2 mph
10 jul, friday
0000 62°F
NW
5 mph