Weather in January
In January, the average sea temperature in Trégastel, France, is 10.9°C (51.6°F). Note: With the appropriate swimsuit, one can swim in 10.9°C (51.6°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. Weather in January »
Weather in February
In Trégastel, France, the average seawater temperature in February is 10.3°C (50.5°F). Note: It is advised against swimming in 10.3°C (50.5°F) when it drops below 10°C (50°F). Weather in February »
Weather in March
With an average sea temperature of 9.9°C (49.8°F), March is the month with the coldest seawater in Trégastel, France. Note: To swim in 9.9°C (49.8°F) at less than 10°C (50°F), ensure you're well-protected. Weather in March »
Weather in April
In Trégastel, France, in April, the average water temperature is 10.9°C (51.6°F). Note: Dipping into 10.9°C (51.6°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in April »
Weather in May
In Trégastel, France, in May, the average water temperature is 12.4°C (54.3°F). Note: Staying in 12.4°C (54.3°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance. Weather in May »
Weather in June
In Trégastel, France, the average seawater temperature in June is 14.2°C (57.6°F). Note: It is risky to swim in 14.2°C (57.6°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation. Weather in June »
Weather in July
In July, the average sea temperature in Trégastel, France, is 15.9°C (60.6°F). Note: Swimming in 15.9°C (60.6°F) is not pleasurable for most people. Weather in July »
Weather in August
August is the month with the warmest seawater in Trégastel, France, with an average sea temperature of 16.9°C (62.4°F). Note: For most individuals, swimming in 16.9°C (62.4°F) is not a pleasant experience. Weather in August »
Weather in September
In Trégastel, France, the average seawater temperature in September is 16.2°C (61.2°F). Note: The majority of individuals do not enjoy swimming in water that is 16.2°C (61.2°F). Weather in September »
Weather in October
In Trégastel, France, in October, the average water temperature is 15.1°C (59.2°F). Note: The majority of individuals find it unpleasurable to swim in 15.1°C (59.2°F). Weather in October »
Weather in November
In Trégastel, France, the average seawater temperature in November is 14.1°C (57.4°F). Note: Diving into 14.1°C (57.4°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Weather in November »
Weather in December
In Trégastel, France, in December, the average water temperature is 12.7°C (54.9°F). Note: Dipping in 12.7°C (54.9°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in December »
[Resources]Frequently asked questions
What is the month with the coldest sea water in Trégastel?
With an average sea temperature of 9.9°C (49.8°F), March is the month with the coldest seawater.
When are the longest days in Trégastel?
June has the longest days of the year, with an average of 16h and 6min of daylight.
What is the month with the warmest sea water in Trégastel?
With an average sea temperature of 16.9°C (62.4°F), August is the month with the warmest seawater in Trégastel, France.
When is Daylight Saving Time (DST) in Trégastel?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Trégastel?
With an average of 8h and 18min of daylight, December has the shortest days of the year in Trégastel, France.
Average sea temperature
Trégastel, France
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight
Trégastel, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
Trégastel, France
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
