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.
Sea temperature
In Alderney, in August, the average water temperature is 17.2°C (63°F).
Note: Swimming is not an enjoyable activity for the majority when the water is at 17.2°C (63°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in August in Alderney,
Guernsey, is 14h and 23min.
On the first day of August in Alderney, 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.
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