Derry (Londonderry) in august: average Weather, Temperature and Climate
Weather in Derry (Londonderry) in august 2025
The weather in Derry (Londonderry) in august comes from statistical datas on the last 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
bad weather
Weather at 6am
54°F
Fog
42% of time
30%
13%
8%
Weather at 12pm
63°F
Cloudy
48% of time
25%
15%
8%
Weather at 6pm
61°F
Cloudy
38% of time
28%
19%
10%
Weather at 3am
52°F
38%
19%
17%
13%
Evolution of daily average temperature and precipitation in Derry (Londonderry) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Derry (Londonderry) in august.
The climate of Derry (Londonderry) in august is bad
The weather in august in Derry (Londonderry) is wet (with 2.6in of precipitation over 3 days). It should be noted an improvement from the previous month since in july it receives an average of 3.1in of rainfall over 6 days.
The climate is rather fresh in that area the month of august, but it is liveable by dressing cosy. The thermometer averaged maximum of 63°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average on this month of august in Derry (Londonderry) is 58°F. Note that these seasonal averages are in contrast with those observed in Derry (Londonderry) in august with a maximum record of 79°F in 2021 and a minimum record of 40°F in 2011. You can plan to have about 10 days with temperatures over 65°F, or 32% of time.
Day length in Derry (Londonderry) in august is 14:58. The sun rises at 05:04 and sets at 20:02.
With an unfavorable weather, august is not recommended to go in that area in North Ireland.
August: another location in Northern Ireland?
If you want to go to Northern Ireland in august, there are destinations with better weather than Derry (Londonderry):
In august, Donwpatrick, Annalong, Ballywalter, Bangor, Carrickfergus and Donaghadee have good weather.
Finally, Belfast, Ballycastle (Causeway Coast), Larne, Antrim, Ballyclare and Ballymena have a tolerable climate, but better than Derry (Londonderry).
Seasonal average climate and temperature of Derry (Londonderry) in august
Check below seasonal norms These datas are generated from the weather statements of the past years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 63°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 79°F (2021) | ||||
| Lowest record temperature | 40°F (2011) | ||||
| Number of days at +65°F | 10 day(s) (32%) | ||||
| Sea temperature | |||||
| Average sea temperature | 59°F | ||||
| Lowest sea temperature | 57°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.6in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 0.7in (2009) | ||||
| Other climate data | |||||
| Humidity | 96% | ||||
| Visibility | 7.75km | ||||
| Cloud cover | 69% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:04 | ||||
| Time of sunset | 20:02 | ||||
| Length of day | 14:58 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last august?
Here is the day by day recorded weather in Derry (Londonderry) in august 2024:
54°F to 72°F
58°F to 63°F
52°F to 61°F
54°F to 63°F
58°F to 63°F
49°F to 61°F
54°F to 63°F
52°F to 61°F
54°F to 65°F
56°F to 65°F
49°F to 70°F
54°F to 67°F
58°F to 63°F
49°F to 65°F
50°F to 63°F
50°F to 61°F
52°F to 61°F
52°F to 63°F
50°F to 59°F
47°F to 56°F
52°F to 58°F
56°F to 59°F
49°F to 58°F
45°F to 56°F
49°F to 54°F
49°F to 65°F
59°F to 65°F
54°F to 61°F
49°F to 61°F
50°F to 63°F
45°F to 68°F
Map: other cities in Northern Ireland in august
Cities near Derry (Londonderry):
| Strabane in august | bad weather |
| Limavady in august | bad weather |
| Castlerock in august | tolerable weather |
| Portstewart in august | tolerable weather |
| Coleraine in august | tolerable weather |
| Omagh in august | bad weather |
| Maghera in august | tolerable weather |
| Portrush in august | tolerable weather |
| Ballymoney in august | tolerable weather |
| Magherafelt in august | tolerable weather |
| Cookstown in august | bad weather |
| Dromore in august | bad weather |
Click over cities on the map for information about the weather in august.
Derry (Londonderry)
perfect weather
good
tolerable
bad
very bad
Weather data for Derry (Londonderry) in august:
Weather data for Derry (Londonderry) for august are derived from an average of the weather forecast since 2009 in Derry (Londonderry). There is a margin of error and these forecasts are to be considered as general information only. The weather in Derry (Londonderry) 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 Derry (Londonderry).