Weather in March
Entering March, Alderney witnesses a further growth in daylight hours, casting a quieter winter aside as spring begins to bloom. Noticeably longer days set the stage for milder weather, with average daylight increasing to 11.9 hours. Subtle improvements might not drastically change the sea temperature, registering at 9.3°C (48.7°F), yet the brightening environment injects life into the setting. As Alderney transitions from February to March, anticipations of spring become more visible, promising a welcome shift from the winter cold.
Note: It is risky to swim in 9.3°C (48.7°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
On the first day of the month, sunrise is at 06:50 and sunset at 17:51. On the last day of March, sunrise is at 05:46 and sunset at 18:39 GMT.
Sea temperature
March is the month with the coldest seawater, with an average sea temperature of 9.3°C (48.7°F).Note: It is risky to swim in 9.3°C (48.7°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
In March, the average length of the day is 11h and 55min.On the first day of the month, sunrise is at 06:50 and sunset at 17:51. On the last day of March, sunrise is at 05:46 and sunset at 18:39 GMT.
Updated: Jun 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the month with the coldest sea water?
The month with the coldest seawater is March, with an average sea temperature of 9.3°C (48.7°F).
What is the water temperature in March?
In Alderney, the average seawater temperature in March is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the average length of the day in March?
In Alderney, the average day length in March is 11h and 55min.
What time are sunrise and sunset in March?
In March, on the first day of the month, sunrise is at 06:50 and sunset at 17:51. On the last day of the month, in Alderney, sunrise is at 05:46 and sunset at 18:39 GMT.
Average sea temperature in March
Alderney, Guernsey
- Average sea temperature in March: 9.3°C
The best month for swimming (with the highest average sea temperature) is September (17.4°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).
Average daylight in March
Alderney, Guernsey
- Average daylight in March: 11h and 5min
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).
Alderney, Guernsey
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