Weather in January
In January, the average sea temperature in Équeurdreville-Hainneville, France, is 9.8°C (49.6°F). Note: Dipping into 9.8°C (49.6°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in January »
Weather in February
In Équeurdreville-Hainneville, France, in February, the average water temperature is 9.3°C (48.7°F). Note: Without suitable protection, venturing into 9.3°C (48.7°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths. Weather in February »
Weather in March
March is the month with the coldest seawater in Équeurdreville-Hainneville, France, with an average sea temperature of 9.1°C (48.4°F). Note: Diving into 9.1°C (48.4°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in March »
Weather in April
In April, the average sea temperature in Équeurdreville-Hainneville, France, is 10.2°C (50.4°F). Note: Beware when you're in 10.2°C (50.4°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in April »
Weather in May
In Équeurdreville-Hainneville, France, the average seawater temperature in May is 11.9°C (53.4°F). Note: Entering waters of 11.9°C (53.4°F) is life-endangering. Weather in May »
Weather in June
In Équeurdreville-Hainneville, France, the average seawater temperature in June is 13.9°C (57°F). Note: Danger awaits those who swim in 13.9°C (57°F) without protection. Weather in June »
Weather in July
In Équeurdreville-Hainneville, France, in July, the average water temperature is 15.8°C (60.4°F). Note: Swimming in 15.8°C (60.4°F) does not offer a pleasant experience for most individuals. Weather in July »
Weather in August
In Équeurdreville-Hainneville, France, in August, the average water temperature is 17.3°C (63.1°F). Note: Most people find it challenging to enjoy swimming in water that is 17.3°C (63.1°F). Weather in August »
Weather in September
With an average sea temperature of 17.7°C (63.9°F), September is the month with the warmest seawater in Équeurdreville-Hainneville, France. Note: Most people find it challenging to enjoy swimming in water that is 17.7°C (63.9°F). Weather in September »
Weather in October
In Équeurdreville-Hainneville, France, in October, the average water temperature is 16.4°C (61.5°F). Note: For most individuals, swimming in 16.4°C (61.5°F) is not a pleasurable activity. Weather in October »
Weather in November
In November, the average sea temperature in Équeurdreville-Hainneville, France, is 14.4°C (57.9°F). Note: Swimming in 14.4°C (57.9°F) poses a severe threat. Weather in November »
Weather in December
In December, the average sea temperature in Équeurdreville-Hainneville, France, is 11.8°C (53.2°F). Note: Swimming in 11.8°C (53.2°F) can be lethal. Weather in December »
[Resources]Frequently asked questions
When is the sea coldest in Équeurdreville-Hainneville?
March is the month with the coldest seawater, with an average sea temperature of 9.1°C (48.4°F).
When are the longest days in Équeurdreville-Hainneville?
The month with the longest days in Équeurdreville-Hainneville is June, with an average of 16h and 12min of daylight.
When is the sea warmest in Équeurdreville-Hainneville?
September is the month with the warmest seawater, with an average sea temperature of 17.7°C (63.9°F).
When is Daylight Saving Time (DST) in Équeurdreville-Hainneville?
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 Équeurdreville-Hainneville?
The month with the shortest days is December, with an average of 8h and 12min of daylight.
Average sea temperature
Équeurdreville-Hainneville, France
The best month for swimming (with the highest average sea temperature) is September (17.7°C).
The coldest month (with the lowest average sea temperature) is March (9.1°C).
Average daylight
Équeurdreville-Hainneville, France
- Average daylight in January:
8h and 4min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 5min - 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 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
Équeurdreville-Hainneville, France
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