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Isère River

Isère River Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Isère River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Isère River

10.9°C

TODAY

10.9°C

YESTERDAY

11.4°C

A WEEK AGO

As of today, the minimum water temperature in the Isère River ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.

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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Isère River Over the Last 30 Days

Today the water temperature in Isère River is higher than the same day in previous years. The water temperature range here in April is from 2°C to 11°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Isère are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

DateCurrentAverageForecast
Apr 1511.4°C6.5°C
Apr 1611.4°C6.5°C
Apr 1711.1°C6.5°C
Apr 1811.0°C6.5°C
Apr 1910.9°C6.5°C
Apr 2010.9°C6.5°C
Apr 2110.9°C6.5°C
Apr 2211.2°C6.5°C
Apr 236.5°C10.5°C
Apr 246.5°C10.1°C
Apr 256.5°C9.7°C
Apr 266.5°C9.4°C
Apr 276.5°C9.1°C
Apr 286.5°C8.8°C
Apr 296.5°C8.6°C
Apr 306.5°C8.4°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Isère River by Month

January

MinimumAverageMaximum
2°C4°C6°C

February

MinimumAverageMaximum
0°C3.4°C6°C

March

MinimumAverageMaximum
1°C5°C9°C

April

MinimumAverageMaximum
2°C6.5°C11°C

May

MinimumAverageMaximum
3°C6°C9°C

June

MinimumAverageMaximum
8°C11°C13°C

July

MinimumAverageMaximum
10°C14°C17°C

August

MinimumAverageMaximum
11°C15°C19°C

September

MinimumAverageMaximum
6°C9°C14°C

October

MinimumAverageMaximum
5°C6.9°C10°C

November

MinimumAverageMaximum
3°C5.2°C7°C

December

MinimumAverageMaximum
2°C4°C6°C

Monthly Water Temperature Histogram for Isère River

Water Temperature in Cities and Towns on Isère River

Val-d'Isère
France (Auvergne-Rhône-Alpes)
5.3°C
Bourg-Saint-Maurice
France (Auvergne-Rhône-Alpes)
8.6°C
Aime
France (Auvergne-Rhône-Alpes)
8.9°C
France (Auvergne-Rhône-Alpes)
10.5°C
Montmélian
France (Auvergne-Rhône-Alpes)
11.0°C
Pontcharra
France (Auvergne-Rhône-Alpes)
11.0°C
France (Auvergne-Rhône-Alpes)
10.9°C
Voreppe
France (Auvergne-Rhône-Alpes)
10.7°C
France (Auvergne-Rhône-Alpes)
11.6°C
Pont-de-l'Isère
France (Auvergne-Rhône-Alpes)
11.5°C
La Roche-de-Glun
France (Auvergne-Rhône-Alpes)
11.5°C

Isère River Weather

APRIL 23

10°C / 16°C
slight rain

rain: 52% | wind: 8 km/h

APRIL 24

8°C / 14°C
slight rain

rain: 53% | wind: 8 km/h

APRIL 25

10°C / 16°C
fog

rain: 39% | wind: 8 km/h

APRIL 26

10°C / 19°C
overcast

rain: 33% | wind: 8 km/h

Water Temperature in Isère River: General Trends and Swimming Opportunities

Source:
• location Sources de l\'Isère Glacier, Grande Aiguille Rousse, Graian Alps
• coordinates 45°26′45″N 7°5′47″E
• elevation ±2,900 m (9,500 ft)
Mouth:
• location Rhône
• coordinates 44°58′56″N 4°51′8″E
• elevation ±110 m (360 ft)
Length 286 km (178 mi)

The Isère River, flowing through the scenic French Alps, is known for its cold, fast-moving waters, particularly at higher altitudes and in early summer when snowmelt increases its flow. In the summer months, the river's temperature varies greatly depending on the altitude and flow conditions. Generally, it can range from around 10°C to 18°C (50°F to 64°F) in accessible, lower-altitude areas, but remains colder in the mountainous upper reaches, making swimming somewhat challenging for those sensitive to cold. In spring and autumn, the water temperature can be even lower, often below 12°C (54°F), which discourages swimming for most.

Due to its swift current and cool temperatures, the Isère is not commonly recommended for swimming. However, there are spots in the lower reaches, near towns like Albertville and Grenoble, where calmer sections or pools may allow for wading or a quick dip. These areas are more popular for water sports like kayaking and rafting, which take advantage of the river’s rapids and dynamic flow. For those looking to enjoy the river’s refreshing waters, sticking to calmer pools or side channels near the banks is advisable. Always use caution, as the river can have sudden current changes due to upstream conditions, especially after rain or snowmelt.

Geographical Location of Isère River

Frequently Asked Questions About Isère River and its Water Temperatures

What is the current water temperature in Isère River?

The water temperature today in Isère River ranges from 42°F (5.3°C) to 53°F (11.6°C).

What is the water temperature in Isère River during the summer months?

The average water temperature in Isère River during the summer months is typically between 52°F to 59°F (11°C to 15°C), and it can reach up to 66°F (19°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Isère River in May?

The average water temperature in Isère River in May ranges from 37°F to 48°F (3°C to 9°C).

What is the water temperature in Isère River in September?

The average water temperature in Isère River in September is typically between 43°F to 57°F (6°C to 14°C).

Where does Isère River flow?

Isère River flows through France (Auvergne-Rhône-Alpes).

Is it possible to swim in the Isère River?

Yes, it is possible to swim in the Isère River. However, it's important to consider safety concerns such as current and water quality before doing so.

What major cities are located on Isère River?

Cities along the course of Isère River include Albertville (Auvergne-Rhône-Alpes), Grenoble (Auvergne-Rhône-Alpes), Romans-sur-Isère (Auvergne-Rhône-Alpes).