Guernsey in august: average Weather, Temperature and Climate
Weather in Guernsey in august 2025
The weather in Guernesey in august comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather
Weather at 6am
63°F
Clear/Sunny
28% of time
26%
24%
17%
Weather at 12pm
63°F
Clear/Sunny
36% of time
27%
17%
14%
Weather at 6pm
63°F
Clear/Sunny
46% of time
27%
13%
10%
Weather at 3am
65°F
37%
28%
19%
12%
Evolution of daily average temperature and precipitation in Guernsey in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Guernsey in august.
The climate of Guernsey in august is good
the weather in Guernesey in august is wet (with 3.6in of precipitation over 6 days). The weather's not getting better compared to the previous month since in july there is an average of 2.6in of rainfall over 4 days.
The climate quite comfortable in this location this month. The high seasonal norm is 65°F. In the morning the temperature drops to 63°F. Thus, the mean temperature average on this month of august in Guernesey is 65°F. Note that these seasonal averages are in contrast with those observed in Guernesey in august with a maximum record of 74°F in 2019 and a minimum record of 45°F in 2021. You can plan to have about 18 days with temperatures over 65°F, or 58% of the month.
Day length in Guernesey in august is 14:25. Sunrise is at 05:02 and sets at 19:27.
With a good weather, the month of august is recommended to go in this city in England (United Kingdom).
Seasonal average climate and temperature of Guernsey in august
Check below seasonal norms These datas are set from the weather statements of the last years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 63°F | ||||
| Highest record temperature | 74°F (2019) | ||||
| Lowest record temperature | 45°F (2021) | ||||
| Number of days at +65°F | 18 day(s) (58%) | ||||
| Sea temperature | |||||
| Average sea temperature | 63°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 65°F | ||||
| Wind | |||||
| Wind speed | 27km/h | ||||
| Wind temperature | 63°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.6in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 1.7in (2015) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.52km | ||||
| Cloud cover | 39% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:02 | ||||
| Time of sunset | 19:27 | ||||
| Length of day | 14:25 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Guernsey in august 2024:
65°F to 67°F
63°F to 65°F
63°F to 65°F
63°F to 65°F
63°F to 67°F
63°F to 67°F
63°F to 65°F
63°F to 67°F
65°F to 67°F
65°F to 68°F
65°F to 74°F
65°F to 70°F
63°F to 67°F
63°F to 65°F
63°F to 68°F
65°F to 67°F
61°F to 65°F
63°F to 65°F
63°F to 67°F
63°F to 67°F
61°F to 63°F
61°F to 67°F
63°F to 67°F
59°F to 67°F
61°F to 65°F
63°F to 67°F
65°F to 68°F
67°F to 68°F
61°F to 65°F
63°F to 67°F
65°F to 67°F
Map: other cities in England in august
Cities near Guernsey:
| Jersey in august | good weather |
| Salcombe in august | good weather |
| Isle of Portland in august | good weather |
| Weymouth in august | good weather |
| Paignton in august | good weather |
| Torquay in august | good weather |
| Dorset in august | good weather |
| Exmouth in august | good weather |
| Bournemouth in august | good weather |
| Plymouth in august | good weather |
| Exeter in august | good weather |
| Isle of Wight in august | good weather |
Click over cities on the map for information about the weather in august.
Guernsey
perfect weather
good
tolerable
bad
very bad
Weather data for Guernsey in august:
Weather data for Guernsey for august are derived from an average of the weather forecast since 2009 in Guernsey. There is a margin of error and these forecasts are to be considered as general information only. The weather in Guernsey can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Guernsey.