Saint-Denis — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Saint-Denis, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Saint-Denis today is 21.8°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 | 23.3°C | 20.0°C | |
| JUL 16 | 23.3°C | 20.0°C | |
| JUL 17 | 23.3°C | 20.0°C | |
| JUL 18 | 21.8°C | 20.0°C | |
| JUL 19 | 21.5°C | 20.0°C | |
| JUL 20 | 21.5°C | 20.0°C | |
| JUL 21 | 21.8°C | 20.0°C | |
| JUL 22 | 21.8°C | 20.0°C | |
| JUL 23 | 20.0°C | 21.7°C | |
| JUL 24 | 20.0°C | 21.6°C | |
| JUL 25 | 20.0°C | 21.5°C | |
| JUL 26 | 20.0°C | 21.4°C | |
| JUL 27 | 20.0°C | 21.4°C | |
| JUL 28 | 20.0°C | 21.3°C | |
| JUL 29 | 20.0°C | 21.2°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 | 8°C | 12°C |
| December | 3°C | 7°C | 9°C |
Saint-Denis: Weather Forecast
July 23
July 24
July 25
July 26
July 27
July 28
Location & Local Information
Saint-Denis, a city located on the Seine River in the northern suburbs of Paris, experiences varying water temperatures in the river depending on the season. During the winter months, the water temperature in the Seine drops significantly, typically ranging between 4°C and 7°C. At these temperatures, swimming is not advisable due to the cold and the potential for hypothermia. In the warmer months, especially during summer, the water temperature of the Seine can rise to around 18°C to 22°C, which is more comfortable for swimming, though still not ideal for recreational swimming, as the river has strong currents and varying depths. Swimming in the Seine is not a common activity in Saint-Denis, as the water quality can be an issue, and the river's flow can make it dangerous.
While swimming in the Seine is not generally recommended, Saint-Denis and the surrounding area offer several other recreational activities. The city has many parks and green spaces where locals and visitors can enjoy outdoor activities. In addition, there are public swimming pools available in Saint-Denis where people can safely swim. The Seine also provides an opportunity for water sports such as kayaking and canoeing, which are safer alternatives to swimming and allow individuals to enjoy the scenic beauty of the river.
Before engaging in any water-based activities in the Seine, it is important to check for local advisories on water quality and safety. Although the river offers a beautiful setting for various outdoor activities, swimming in the river is discouraged unless proper safety measures are in place and the water quality has been confirmed as safe.