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 16.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| SEP 13 | 18.3°C | 17.0°C | |
| SEP 14 | 18.0°C | 17.0°C | |
| SEP 15 | 18.4°C | 17.0°C | |
| SEP 16 | 18.1°C | 17.0°C | |
| SEP 17 | 17.2°C | 17.0°C | |
| SEP 18 | 17.1°C | 17.0°C | |
| SEP 19 | 16.9°C | 17.0°C | |
| SEP 20 | 16.9°C | 17.0°C | |
| SEP 21 | 17.0°C | 16.8°C | |
| SEP 22 | 17.0°C | 16.8°C | |
| SEP 23 | 17.0°C | 16.8°C | |
| SEP 24 | 17.0°C | 16.8°C | |
| SEP 25 | 17.0°C | 16.9°C | |
| SEP 26 | 17.0°C | 16.9°C | |
| SEP 27 | 17.0°C | 16.9°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
September 21
September 22
September 23
September 24
September 25
September 26
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.