Measurements:
°C
°F
Montreux
66°F
N 6 mph
Feels like: 66°F
Precip: 21%
World Resorts Switzerland Montreux Weather

Montreux Sea Water Temperature

Current Sea Water Temperature:
+78.0°F
Maximum Sea Water Temperature in September: 78.0°F
Minimum Sea Water Temperature in September: 30.0°F
Average water temperature in September: 68.0°F

Sea Water Temperature for the Last 10 Days:

September 08 78.0°F September 03 76.0°F
September 07 77.4°F September 02 76.6°F
September 06 77.4°F September 01 77.0°F
September 05 77.4°F August 31 76.6°F
September 04 76.8°F August 30 77.4°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Montreux was 79.1°F. The maximum and minimum values were 76.2°F and 81.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Montreux was 78.7°F. The maximum and minimum values were 76.6°F and 81.0°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
July 16 days
The most warm months:
August 71.8 °F
July 71.6 °F
June 68.2 °F
Warmest sea temperature:
August 72.7 °F
July 71.6 °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 8 days
The most windy months:
January 4 mph
March 4 mph
December 4 mph

Montreux on the Weather Map

Switzerland Resorts:
NAME
Berne +66
Geneva +74
Gstaad +56
Lake Geneva +66
Lausanne +80
Lucerne +68
Lugano +68
Montreux +66
Spitz +66
St Gallen +62
Verbier +50
Vevey +66
Winterthur +70
Zermatt +44
Zurich +72
24 Hours Weather Forecast
Montreux
Local time: 22:28
09 sep, wednesday
0000 58°F
NE
4 mph
0300 58°F
N
3 mph
0600 54°F
E
5 mph
0900 50°F
N
2 mph
1200 50°F
SE
6 mph
1500 44°F
SE
6 mph
1800 44°F
SE
4 mph
2100 42°F
SE
2 mph