Weather in Guernsey for August 2026
The forecast for the next days in Guernsey predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Guernsey at the beginning of August is 18.1 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 18.1 °C by the end of August.
Guernsey experiences moderate rainfall in August, with an average of 8 rainy days and a total precipitation of 55.3 mm.
Temperatures
Rain 🌧️
Guernsey Weather August
Temperatures trend during August in Guernsey
August weather in Guernsey day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 18° /16° | 3.3 mm | 6 | |
| 2 Aug. |  Partly cloudy | 18° /15° | 4.3 mm | 5 | |
| 3 Aug. |  Sunny | 20° /18° | 0 mm | 6.6 | |
| 4 Aug. | Sunny | 19° /18° | 1.2 mm | 7.1 | |
| 5 Aug. | Sunny | 18° /17° | 0.3 mm | 6.3 | |
| 6 Aug. | Sunny | 17° /16° | 0 mm | 6.2 | |
| 7 Aug. | Sunny | 17° /16° | 0 mm | 5 | |
| 8 Aug. | Sunny | 18° /17° | 0.2 mm | 5 | |
| 9 Aug. | Sunny | 18° /16° | 0 mm | 5 | |
| 10 Aug. | Sunny | 19° /17° | 0 mm | 5 | |
| 11 Aug. | Sunny | 20° /17° | 0 mm | 6 | |
| 12 Aug. | Sunny | 18° /17° | 0 mm | 5 | |
| 13 Aug. | Sunny | 19° /17° | 0 mm | 5 | |
| 14 Aug. | Sunny | 20° /18° | 0 mm | 6 | |
| 15 Aug. | Sunny | 19° /17° | 0 mm | 5 | |
| 16 Aug. |  Overcast | 19° /16° | 0.1 mm | 4 | |
| 17 Aug. | Patchy rain possible | 19° /16° | 0.1 mm | 5 | |
| 18 Aug. | Patchy rain possible | 18° /16° | 0.3 mm | 4 | |
| 19 Aug. | Patchy rain possible | 19° /16° | 0.5 mm | 4 | |
| 20 Aug. | Partly cloudy | 18° /16° | 1.4 mm | 4 | |
| 21 Aug. | Sunny | 17° /15° | 0 mm | 4 | |
| 22 Aug. | Partly cloudy | 19° /16° | 0.2 mm | 5 | |
| 23 Aug. | Partly cloudy | 19° /16° | 0.4 mm | 5 | |
| 24 Aug. |  Moderate or heavy rain shower | 19° /16° | 17.3 mm | 5 | |
| 25 Aug. |  Cloudy | 18° /16° | 0.3 mm | 5 | |
| 26 Aug. | Light rain shower | 19° /16° | 2.4 mm | 4 | |
| 27 Aug. | Light rain shower | 18° /16° | 3.3 mm | 4 | |
| 28 Aug. | Light rain shower | 18° /16° | 1.8 mm | 4 | |
| 29 Aug. | Light rain shower | 18° /15° | 2.2 mm | 4 | |
| 30 Aug. | Patchy rain possible | 18° /16° | 1.5 mm | 4 | |
| 31 Aug. | Light rain shower | 18° /16° | 7 mm | 4 | |
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Guide for Guernsey in August
In Guernsey, August typically experiences mild and pleasant weather, making it an ideal time to visit this beautiful island. At the beginning of the month, the weather in Guernsey is generally warm and sunny, with average temperatures ranging from 17° to 20°.
The island enjoys long daylight hours, providing ample opportunity for outdoor activities and exploration of its stunning natural landscapes.
Towards the end of August, the weather in Guernsey remains delightful, with temperatures ranging from 18° to 21°. Visitors can expect mostly sunny days with occasional light showers, creating a refreshing atmosphere.
The sea temperature also remains inviting for swimming and water sports, making it a great time to enjoy the island's picturesque beaches and coastal areas.
Guernsey's August weather is characterized by comfortable conditions, making it an excellent month for outdoor adventures, sightseeing, and enjoying the island's charming atmosphere.
The pleasant weather also allows for leisurely walks along the coastline and visits to the island's historical sites and cultural attractions. Overall, August offers an ideal climate for a memorable and enjoyable visit to Guernsey.
Guernsey in August - FAQ
What are the expected maximum and minimum temperatures in Guernsey during August?
How much rainfall should be expected in Guernsey during August?
What are the typical wind conditions in Guernsey during August?
August rainfall patterns in Guernsey
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Where is Guernsey?Get accurate weather forecasts for Guernsey, located at latitude 49.46 and longitude -2.535. Stay updated with localized weather information tailored for Guernsey.