Grenoble — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Grenoble, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Grenoble today is 21.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 |
|---|---|---|---|
| JUL 15 | 22.0°C | 18.0°C | |
| JUL 16 | 22.1°C | 18.0°C | |
| JUL 17 | 22.1°C | 18.0°C | |
| JUL 18 | 20.6°C | 18.0°C | |
| JUL 19 | 20.5°C | 18.0°C | |
| JUL 20 | 20.2°C | 18.0°C | |
| JUL 21 | 20.0°C | 18.0°C | |
| JUL 22 | 21.3°C | 18.0°C | |
| JUL 23 | 18.0°C | 21.1°C | |
| JUL 24 | 18.0°C | 21.0°C | |
| JUL 25 | 18.0°C | 20.8°C | |
| JUL 26 | 18.0°C | 20.6°C | |
| JUL 27 | 18.0°C | 20.5°C | |
| JUL 28 | 18.0°C | 20.3°C | |
| JUL 29 | 18.0°C | 20.1°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 | 4°C | 8°C | 10°C |
| February | 3°C | 7°C | 9°C |
| March | 6°C | 9°C | 12°C |
| April | 8°C | 11°C | 14°C |
| May | 9°C | 13°C | 18°C |
| June | 12°C | 17°C | 21°C |
| July | 14°C | 18°C | 23°C |
| August | 14°C | 18°C | 23°C |
| September | 11°C | 16°C | 20°C |
| October | 9°C | 13°C | 16°C |
| November | 6°C | 9°C | 12°C |
| December | 4°C | 8°C | 10°C |
Grenoble: Weather Forecast
July 23
July 24
July 25
Location & Local Information
Grenoble, located at the foot of the French Alps, is a vibrant city known for its rich history, technological innovation, and outdoor activities. The Isère River flows through the city, providing both scenic views and opportunities for water activities. The water temperature in the Isère River varies considerably depending on the time of year, with colder temperatures in the winter months, often reaching 5-7°C (41-45°F). During the summer, however, the river can warm up to around 15-18°C (59-64°F), which is more comfortable for swimming and water sports. The river, fed by the nearby alpine glaciers, generally remains cool, even in summer, making it refreshing for those looking to enjoy a swim on a hot day.
Swimming in the Isère River itself is not as common due to the fast currents and cooler temperatures. However, several public swimming pools and nearby lakes in the Grenoble region offer excellent alternatives for those looking to enjoy a swim. The city also boasts several recreational areas along the river, where people can enjoy kayaking, rafting, and paddleboarding. For those who prefer natural lakes, the nearby Lac de Laffrey and Lac de Paladru provide beautiful settings for swimming, with water temperatures typically ranging between 18°C and 22°C (64°F-72°F) during the summer months, making these lakes more suitable for a relaxing swim.