Aff River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Aff River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Aff River today is 21°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 |
|---|---|---|---|
| AUG 4 | 20.4°C | 20.0°C | |
| AUG 5 | 20.4°C | 20.0°C | |
| AUG 6 | 20.4°C | 20.0°C | |
| AUG 7 | 20.3°C | 20.0°C | |
| AUG 8 | 20.8°C | 20.0°C | |
| AUG 9 | 20.8°C | 20.0°C | |
| AUG 10 | 20.8°C | 20.0°C | |
| AUG 11 | 20.9°C | 20.0°C | |
| AUG 12 | 20.0°C | 21.0°C | |
| AUG 13 | 20.0°C | 20.9°C | |
| AUG 14 | 20.0°C | 20.9°C | |
| AUG 15 | 20.0°C | 20.8°C | |
| AUG 16 | 20.0°C | 20.8°C | |
| AUG 17 | 20.0°C | 20.7°C | |
| AUG 18 | 20.0°C | 20.7°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 | 9°C | 12°C | 15°C |
| May | 10°C | 15°C | 19°C |
| June | 15°C | 19°C | 24°C |
| July | 16°C | 20°C | 25°C |
| August | 16°C | 20°C | 25°C |
| September | 12°C | 17°C | 21°C |
| October | 9°C | 13°C | 16°C |
| November | 5°C | 9°C | 13°C |
| December | 2°C | 6°C | 9°C |
Aff River: Water Temperature by Location
Aff River: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Mouth:
• location Oust
• coordinates 47°43′1″N 2°7′38″W
Length 66 km (41 mi)
The River Aff is a small, scenic waterway in Brittany, France, flowing through areas like La Gacilly before joining the Oust. In summer, the water temperature typically ranges from 17°C to 20°C (63°F to 68°F), providing comfortable conditions for light water activities. However, due to its size and shallow sections, it’s not widely used for swimming. Still, there are occasional safe, calm spots along the river where locals and visitors may take a refreshing dip, especially on hot summer days, though organized swimming areas are rare.
Instead, the Aff is popular for canoeing and kayaking, with its gentle currents and picturesque banks making it ideal for leisurely paddling. The river’s meandering path through the Breton countryside attracts those interested in exploring the region’s natural beauty rather than traditional swimming. If swimming is a goal, it’s best to check with local tourism offices for recommendations on safe spots, as water quality and access may vary in this rural waterway.