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Guernsey weather in August 2021
- 2020°C max day temperature
- 1111 days with some rainfall
- 1414°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 4545 mm of monthly rainfall
- 66 (High) UV index
- 1717°C sea temperature
Recommended for Guernsey
The August weather guide for Guernsey shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Guernsey in August?
Daytime temperatures usually reach 20°C in St Peter Port, Guernsey in August, falling to 14°C at night.
How sunny is it in Guernsey in August?
There are normally 7 hours of bright sunshine each day in St Peter Port, Guernsey in August - that's 52% of daylight hours.
How warm is the sea around Guernsey in August?
The average sea temperature around St Peter Port, Guernsey in August is 17°C.
Does it rain in Guernsey in August?
There are usually 11 days with some rain in St Peter Port, Guernsey in August and the average monthly rainfall is 45mm.
Metric (°C / mm) | Imperial (°F / inches)
Guernsey sunrise & sunset times for August 2021
Browse the sunrise & sunset times for Guernsey in August 2021. Select a month to view Guernsey sunrise & sunset times for the next twelve months. The Guernsey sunrise & sunset times shown below are for St Peter Port.
|Date||Sunrise times||Sunset times|
|Sunday, 1st August 2021||05:42||20:50|
|Monday, 16th August 2021||06:03||20:25|
|Tuesday, 31st August 2021||06:25||19:55|
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