The weather in August in Guernsey
It's pleasantly warm in August in Guernsey with an average temperature of 20°C. Temperatures this month range from a low of 19°C to a high of 21°C. At night, you can expect temperatures between 14°C and 16°C.
Looking for great weather? August is a good time to be in Guernsey. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Guernsey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2022, Guernsey reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 15°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 20°C.
Rainfall amount
In August, there is an average of 53 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Guernsey
Click on any day in August to get detailed info about the usual weather on that day in Guernsey. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Guernsey | New York | |
|---|---|---|
| Average temperature | 20°C | 30°C |
| Max. temperature | 21°C | 31°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 53 mm | 79 mm |
| Rainy days | 9 days | 13 days |
Start of August
The month of August starts in Guernsey with mild temps, averaging around 21°C during the day and nights around 15°C.
Mid August
By mid-August, daytime temps stay steady at around 21°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Guernsey is around 20°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Guernsey for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Guernsey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Guernsey
Temperature in August in Guernsey over the years
Precipitation charts
These charts show the average amount of precipitation in August in Guernsey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Guernsey
Total precipitation in August in Guernsey over the years
Daily UV index in August in Guernsey
This chart shows the average daily UV index in August in Guernsey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Guernsey
The weather in August in Guernsey is rated an average of 4 out of 5 stars by 2 visitors. Have you been to Guernsey? Share your weather experience to help other visitors.
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August on Guernsey brought mixed emotions. Although the island was bathed in sunshine and warm temperatures, there were also unexpected showers and cool evenings. Compliment the beauty of nature despite the changeable weather.— This text is automatically translated to English
Blessed climate, average 23 degrees, sunshine every day , small breeze. They are blissful islands to relax and enjoy nature— This text is automatically translated to English
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Average weather in Guernsey by month
Click on a month below to see detailed weather info for Guernsey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.