Weather in August
August in Alderney perseveres with the trend of comfortable summer weather. There are still long stretch of hours under the sun, claiming a substantial 14.4 daylight hours on average. Sea conditions remain inviting, with temperatures hovering around 17.2°C (63°F). August stands out as a slightly milder alternative to July, allowing for enjoyable summer outdoor activities without the intensity of peak summer heat.
Note: For most people, a water temperature of 17.2°C (63°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).
On the first day of the month, sunrise is at 05:40 and sunset at 20:50. On the last day of August, sunrise is at 06:23 and sunset at 19:54 BST.
Sea temperature
In Alderney, the average seawater temperature in August is 17.2°C (63°F).Note: For most people, a water temperature of 17.2°C (63°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).
Daylight
In Alderney, the average length of the day in August is 14h and 23min.On the first day of the month, sunrise is at 05:40 and sunset at 20:50. On the last day of August, sunrise is at 06:23 and sunset at 19:54 BST.
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 sea water temperature in August in Alderney?
In August, the average sea temperature is 17.2°C (63°F). Swimming in 17.2°C (63°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the average length of the day in August?
The average day length in August is 14h and 23min.
When are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 05:40 and sunset at 20:50. On the last day of the month, sunrise is at 06:23 and sunset at 19:54 BST.
Average sea temperature in August
Alderney, Guernsey
- Average sea temperature in August: 17.2°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 August
Alderney, Guernsey
- Average daylight in August: 14h and 2min
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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