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Rennes
Water Temperature in Rennes in Vilaine River: Current and Forecast
On this page, you will find comprehensive information about the water temperature in Rennes in Vilaine 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 Rennes
58°F
TODAY
58°F
YESTERDAY
59°F
A WEEK AGO
As of today, the minimum water temperature in Rennes 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 Vilaine River in Rennes Over the Last 30 Days
Today the water temperature in Rennes is higher than the same day in previous years. The water temperature range here in October is from 48°F to 59°F. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Rennes 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.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Sep 28 | 59°F | 63°F | |
| Sep 29 | 59°F | 63°F | |
| Sep 30 | 58°F | 63°F | |
| Oct 1 | 58°F | 54°F | |
| Oct 2 | 58°F | 54°F | |
| Oct 3 | 58°F | 54°F | |
| Oct 4 | 58°F | 54°F | |
| Oct 5 | 58°F | 54°F | |
| Oct 6 | 54°F | 58°F | |
| Oct 7 | 54°F | 57°F | |
| Oct 8 | 54°F | 57°F | |
| Oct 9 | 54°F | 57°F | |
| Oct 10 | 54°F | 56°F | |
| Oct 11 | 54°F | 56°F | |
| Oct 12 | 54°F | 56°F | |
| Oct 13 | 54°F | 56°F |
Water Temperature Ranges in Rennes by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 41°F | 45°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 43°F | 48°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 46°F | 52°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 56°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 61°F | 66°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 67°F | 73°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 69°F | 79°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 71°F | 77°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 63°F | 72°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 54°F | 59°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 46°F | 52°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 41°F | 45°F |
Monthly Water Temperature Histogram for Vilaine River in Rennes
Rennes Weather
OCTOBER 6
46°F / 64°F
overcastrain: 0% | wind: 4 mph
OCTOBER 7
46°F / 66°F
fograin: 0% | wind: 7 mph
OCTOBER 8
48°F / 63°F
fograin: 10% | wind: 4 mph
OCTOBER 9
50°F / 66°F
fograin: 10% | wind: 11 mph
Water Temperature in Rennes: General Trends and Swimming Opportunities
Rennes, the capital of Brittany in France, is situated along the Vilaine River. The Vilaine's water temperature in Rennes ranges from around 5–10°C (41–50°F) during the winter months to 15–20°C (59–68°F) in summer. While these temperatures can be refreshing in warmer seasons, the Vilaine River is generally not used for swimming within Rennes due to safety and water quality concerns.
Swimming in the Vilaine within Rennes is not encouraged, primarily due to water pollution from urban runoff and limited monitoring. However, the river and its surrounding pathways are popular for walking, cycling, and kayaking. For those looking to swim, there are several managed pools and recreational lakes nearby, such as Étang d’Apigné, where water quality and safety measures are maintained, offering a safer and more enjoyable experience.
Geographical Location of Rennes
Nearby Cities
Frequently Asked Questions About Rennes and its Water Temperatures
What is the current water temperature in Rennes?
The water temperature today in Rennes is 58°F (14.6°C).
What is the water temperature in Rennes during the summer months?
The average water temperature in Rennes during the summer months is typically between 67°F to 72°F (19°C to 22°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Rennes in May?
The average water temperature in Rennes in May ranges from 55°F to 66°F (13°C to 19°C).
What is the water temperature in Rennes in September?
The average water temperature in Rennes in September is typically between 57°F to 72°F (14°C to 22°C).
Is it possible to swim in the Vilaine River in Rennes, and what are the available options for doing so?
Yes, it's possible to swim in the Vilaine River in Rennes. You can swim freely in designated areas, or participate in organized events like the annual Baignade en Vilaine.