Ille River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Ille River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Ille River today is 18.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| JUN 23 | 18.5°C | 18.0°C | |
| JUN 24 | 18.5°C | 18.0°C | |
| JUN 25 | 18.9°C | 18.0°C | |
| JUN 26 | 19.2°C | 18.0°C | |
| JUN 27 | 19.2°C | 18.0°C | |
| JUN 28 | 19.2°C | 18.0°C | |
| JUN 29 | 19.3°C | 18.0°C | |
| JUN 30 | 18.9°C | 18.0°C | |
| JUL 1 | 20.0°C | 19.0°C | |
| JUL 2 | 20.0°C | 19.0°C | |
| JUL 3 | 20.0°C | 19.1°C | |
| JUL 4 | 20.0°C | 19.1°C | |
| JUL 5 | 20.0°C | 19.2°C | |
| JUL 6 | 20.0°C | 19.2°C | |
| JUL 7 | 20.0°C | 19.3°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 | 2°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 5°C | 9°C | 11°C |
| April | 8°C | 11°C | 14°C |
| May | 9°C | 14°C | 18°C |
| June | 13°C | 18°C | 22°C |
| July | 16°C | 20°C | 25°C |
| August | 13°C | 18°C | 22°C |
| September | 11°C | 16°C | 20°C |
| October | 8°C | 11°C | 14°C |
| November | 5°C | 9°C | 12°C |
| December | 3°C | 6°C | 10°C |
Ille River: Water Temperature by Location
Ille River: Weather Forecast
July 1
July 2
July 3
July 4
July 5
Location & Local Information
Source:
• location Near Dingé, Ille-et-Vilaine
Mouth:
• location Vilaine
• coordinates 48°6′27″N 1°41′50″W
Length 48.9 km (30.4 mi)
The Ille River, flowing through Brittany in northwestern France, is a popular destination for various water activities, including swimming, especially during the summer months. Water temperatures in the Ille typically range from 16°C to 24°C (61°F to 75°F), providing a refreshing escape for swimmers. While there are no officially designated swimming areas along the river, local residents and visitors often find spots where the current is gentle and the water is deep enough for safe swimming. It's advisable to check local conditions and water quality reports before swimming to ensure a safe experience.
The river's scenic surroundings make it a great spot for picnics, kayaking, and leisurely walks along its banks. Various sections of the Ille are ideal for swimming, particularly near towns like Rennes, where the river widens and the current is less strong. However, caution is always recommended, as conditions can change with weather and seasonal variations, affecting water levels and flow speed.