August weather forecast
Alderney, Guernsey

englishespañol中文
Share

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.
[Resources]

Frequently asked questions

What is the sea temperature in August in Alderney?

In Alderney, the average seawater temperature in August is 17.2°C (63°F). For swimming, a surface water temperature of 17.2°C (63°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in August in Alderney?

In August, the average day length in Alderney is 14h and 23min.

When is the sunrise / sunset in August in Alderney?

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, in Alderney, Guernsey, sunrise is at 06:23 and sunset at 19:54 BST.

Average sea temperature in August
Alderney, Guernsey

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).

[Resources]

Average daylight in August
Alderney, Guernsey

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).

[Resources]

Alderney, Guernsey

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location