Chamonix — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Chamonix, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Chamonix today is 13.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 13 | 13.9°C | 12.0°C | |
| SEP 14 | 14.2°C | 12.0°C | |
| SEP 15 | 13.9°C | 12.0°C | |
| SEP 16 | 13.6°C | 12.0°C | |
| SEP 17 | 14.1°C | 12.0°C | |
| SEP 18 | 14.6°C | 12.0°C | |
| SEP 19 | 14.6°C | 12.0°C | |
| SEP 20 | 14.1°C | 12.0°C | |
| SEP 21 | 12.0°C | 13.2°C | |
| SEP 22 | 12.0°C | 13.2°C | |
| SEP 23 | 12.0°C | 13.1°C | |
| SEP 24 | 12.0°C | 13.0°C | |
| SEP 25 | 12.0°C | 13.0°C | |
| SEP 26 | 12.0°C | 12.9°C | |
| SEP 27 | 12.0°C | 12.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 4°C | 7°C |
| February | 0°C | 3°C | 6°C |
| March | 2°C | 6°C | 9°C |
| April | 3°C | 7°C | 10°C |
| May | 5°C | 9°C | 14°C |
| June | 9°C | 13°C | 18°C |
| July | 10°C | 15°C | 20°C |
| August | 10°C | 15°C | 20°C |
| September | 8°C | 12°C | 17°C |
| October | 6°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 4°C | 7°C |
Chamonix: Weather Forecast
September 21
September 22
September 23
September 24
Location & Local Information
Chamonix, located in the French Alps, is a popular destination known for its skiing, mountaineering, and stunning alpine landscapes. The Arve River flows through the town, offering beautiful views and a peaceful environment. However, while the river is a prominent feature of the area, it is not typically used for swimming. The Arve River, which originates from the glaciers of Mont Blanc, is cold and fast-flowing, with water temperatures often remaining low throughout the year. During the summer months, the water temperature can rise to around 10-14°C (50-57°F), which is still quite chilly for swimming. The cold, combined with the river's fast current, makes swimming in the Arve unsafe for most people.
Additionally, the river is known for its unpredictable water levels, which can fluctuate due to snowmelt from the surrounding mountains. This can create a risk of strong currents and even flooding in some areas, further discouraging recreational swimming. While Chamonix offers many outdoor activities, such as hiking, rock climbing, and winter sports, those seeking a safe swimming experience are encouraged to visit local swimming pools or nearby lakes, like Lac Blanc or Lac de Passy, which are better suited for swimming in a calm and controlled environment.