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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

17.5°C

TODAY

16.6°C

YESTERDAY

16.8°C

A WEEK AGO

As of today, the minimum water temperature in the Isère River 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.

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 August is from 11°C to 19°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

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
Jul 2916.8°C14.5°C
Jul 3016.8°C14.5°C
Jul 3116.5°C14.5°C
Aug 116.7°C15.0°C
Aug 216.9°C15.0°C
Aug 316.9°C15.0°C
Aug 416.6°C15.0°C
Aug 517.5°C15.0°C
Aug 615.0°C17.3°C
Aug 715.0°C17.2°C
Aug 815.0°C17.1°C
Aug 915.0°C17.0°C
Aug 1015.0°C16.9°C
Aug 1115.0°C16.8°C
Aug 1215.0°C16.7°C
Aug 1315.0°C16.6°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°C7°C12°C

May

MinimumAverageMaximum
3°C8.5°C14°C

June

MinimumAverageMaximum
8°C14°C20°C

July

MinimumAverageMaximum
10°C14.5°C19°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)
13.7°C
Bourg-Saint-Maurice
France (Auvergne-Rhône-Alpes)
13.7°C
Aime
France (Auvergne-Rhône-Alpes)
14.7°C
France (Auvergne-Rhône-Alpes)
17.4°C
Montmélian
France (Auvergne-Rhône-Alpes)
17.6°C
Pontcharra
France (Auvergne-Rhône-Alpes)
17.6°C
France (Auvergne-Rhône-Alpes)
17.7°C
Voreppe
France (Auvergne-Rhône-Alpes)
17.1°C
France (Auvergne-Rhône-Alpes)
19.2°C
Pont-de-l'Isère
France (Auvergne-Rhône-Alpes)
19.3°C
La Roche-de-Glun
France (Auvergne-Rhône-Alpes)
19.3°C

Isère River Weather

AUGUST 5

19°C / 33°C
partly cloudy

rain: 3% | wind: 14 km/h

AUGUST 6

18°C / 30°C
overcast

rain: 0% | wind: 7 km/h

AUGUST 7

20°C / 36°C
overcast

rain: 3% | wind: 12 km/h

AUGUST 8

18°C / 34°C
partly cloudy

rain: 3% | wind: 5 km/h

AUGUST 9

18°C / 33°C
mainly clear

rain: 3% | wind: 6 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 57°F (13.7°C) to 67°F (19.3°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).