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Carnac
Water Temperature in the Bay of Biscay in Carnac, France: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Carnac in France, 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 Carnac
65°F
TODAY
66°F
YESTERDAY
61°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Bay of Biscay in Carnac is 18.7°F. 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 for Bay of Biscay in Carnac Over the Last 30 Days
The water temperature in Carnac today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Carnac will remain nearly unchanged in the coming days, its value will be 63°F.
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 across France to enhance accuracy.
Water temperature data for Carnac and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Jun 18 | 61°F | 62°F | |
| Jun 19 | 63°F | 63°F | |
| Jun 20 | 63°F | 64°F | |
| Jun 21 | 64°F | 63°F | |
| Jun 22 | 65°F | 64°F | |
| Jun 23 | 65°F | 64°F | |
| Jun 24 | 66°F | 64°F | |
| Jun 25 | 65°F | 63°F | |
| Jun 26 | 63°F | 65°F | |
| Jun 27 | 64°F | 65°F | |
| Jun 28 | 64°F | 65°F | |
| Jun 29 | 64°F | 65°F | |
| Jun 30 | 64°F | 65°F | |
| Jul 1 | 62°F | 64°F | |
| Jul 2 | 61°F | 64°F | |
| Jul 3 | 62°F | 63°F |
Sea Temperature in Carnac Throughout the Year
Throughout the year, the sea temperature in Carnac exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 42 days.
Below is the annual chart of sea temperature changes in the Bay of Biscay in Carnac.
January
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 51°F | 55°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 49°F | 52°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 51°F | 55°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 53°F | 57°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 58°F | 63°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 62°F | 68°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 63°F | 68°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 64°F | 68°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 64°F | 68°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 61°F | 66°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 58°F | 63°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 53°F | 57°F |
Monthly Water Temperature Histogram for Bay of Biscay in Carnac
You can explore detailed data on how the water temperature in Carnac varies each month:
What Beaches Are There In and Around Carnac?
Grand Plage
Grand Plage is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Carnac. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Plage Des Sables Blancs
Plage Des Sables Blancs is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Carnac. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are cafés.
Plage De Kervillen
Plage De Kervillen is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Carnac. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sainte Barbe Beach
Sainte Barbe Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Carnac. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Plage De Kerhillio
Plage De Kerhillio is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Carnac. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Plage De Port Blanc
Plage De Port Blanc is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Carnac. There is parking. It is suitable for surfing.
Er Long Beach
Er Long Beach is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Carnac.
Carnac Weather
JUNE 26
66°F / 68°F
scattered clouds: 25-50%humidity: 89% | wind: 2 mph
JUNE 27
64°F / 68°F
broken clouds: 51-84%humidity: 80% | wind: 2 mph
JUNE 28
66°F / 72°F
clear skyhumidity: 80% | wind: 3 mph
JUNE 29
68°F / 73°F
clear skyhumidity: 80% | wind: 2 mph
Sea Temperature in the Bay of Biscay in Carnac: General Trends and Swimming Opportunities
Brittany, France has a temperate maritime climate characterized by mild summers and cool winters. The coastal region often experiences abundant rainfall throughout the year, coupled with ample sunshine, and is frequently subjected to the cooling sea breezes.
Carnac is located in Europe in the Northern Hemisphere at a latitude of 48 degrees, along the shores of the Bay of Biscay. Carnac lies within the Brittany in France.
The average annual daytime air temperature in Carnac is 16°C (61°F), with the average nighttime temperature being 9°C (48°F). The highest average daily temperature occurs in August, reaching 22°C (72°F), while the lowest is in January at 10°C (49°F). As for nighttime temperatures, the minimum average temperature of 5°C (40°F) is recorded in February, and the maximum is in August, reaching 14°C (58°F).
According to historical data, Carnac experiences 136 rainy days per year, which accounts for 37 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is November, with 15 rainy days and 106 mm (4.2 inches) of precipitation, while the driest month is July, which typically has 8 rainy days and only 42 mm (1.6 inches) of precipitation.
The average annual water temperature in Bay of Biscay in Carnac is 14°C (57°F). In January, the water reaches its lowest point of the year at 8°C (46°F), while in June, it peaks at 20°C (68°F). In Carnac, the water temperature in the Bay of Biscay never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Carnac
Nearby Cities
Frequently Asked Questions About Carnac and its Water Temperatures
What is the current sea temperature in Carnac?
The water temperature today in the Bay of Biscay in Carnac is 65°F (18.5°C).
In which months is the water temperature in Carnac comfortable for swimming?
It cannot be guaranteed that the water temperature in Carnac will be comfortable for swimming in any month of the year.
What is the water temperature in Carnac during the winter?
The water temperature in the Bay of Biscay in Carnac during the winter ranges from 8°C to 14°C (46°F to 57°F).
What is the water temperature in Carnac during the spring?
The water temperature in the Bay of Biscay in Carnac during the spring ranges from 8°C to 17°C (46°F to 63°F).
What is the water temperature in Carnac during the summer?
The water temperature in the Bay of Biscay in Carnac during the summer ranges from 13°C to 20°C (55°F to 68°F).
What is the water temperature in Carnac during the fall?
The water temperature in the Bay of Biscay in Carnac during the fall ranges from 12°C to 20°C (54°F to 68°F).
Is it possible to swim in the sea in Carnac at any time of the year?
In Carnac, the Bay of Biscay is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
Is Carnac a popular tourist destination for beach vacations?
Carnac has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.
What sea temperatures can I expect in Carnac in the next month?
In July, the water temperature in the Bay of Biscay in Carnac will range between 57°F (14°C) and 68°F (20°C)