Aosta Valley — Water Temperature Today and Throughout the Year
Discover water temperatures in Aosta Valley (Italy), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Aosta Valley, nestled in the Italian Alps, is known for its pristine rivers and alpine lakes surrounded by dramatic mountain scenery. The region's rivers, such as the Dora Baltea, are fed by glacial meltwaters, making them consistently cold throughout the year. Even in summer, water temperatures in these rivers rarely exceed 10 to 12°C (50 to 54°F), offering a refreshing experience for adventurous kayakers and rafters who are drawn to the valley's swift currents.
The alpine lakes of Aosta Valley, like Lake Arpy and Lake Miage, also remain chilly due to their high altitude and glacial origins. In the warmest summer months, the surface temperatures of these lakes may reach 12 to 15°C (54 to 59°F), but deeper waters remain significantly colder. These lakes are popular for hiking and picnics, offering stunning reflections of the surrounding peaks, though swimming is typically limited to those who can handle cold waters.
During spring and autumn, water temperatures in both rivers and lakes drop further, often ranging between 4 and 8°C (39 to 46°F), depending on elevation and proximity to glaciers. This makes Aosta Valley a destination more suited to scenic enjoyment and outdoor exploration than water activities like swimming, though its breathtaking landscapes and untouched natural beauty remain a draw for visitors year-round.