Derry (Londonderry) in july: average Weather, Temperature and Climate
Weather in Derry (Londonderry) in july 2025
The weather in Derry (Londonderry) in the month of july comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout july
bad weather
Weather at 6am
56°F
Cloudy
31% of time
27%
20%
10%
Weather at 12pm
63°F
Cloudy
42% of time
24%
16%
9%
Weather at 6pm
61°F
Cloudy
37% of time
26%
21%
10%
Weather at 3am
52°F
42%
19%
14%
12%
Evolution of daily average temperature and precipitation in Derry (Londonderry) in july
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Derry (Londonderry) in july.
The climate of Derry (Londonderry) in july is bad
In july in Derry (Londonderry), the climate is wet (with 3.1in of rainfall over 6 days). It should be noted a worsening from the previous month since in june there is an average of 2.6in of precipitation over 3 days.
The climate is quite cool in that locality july, but it is liveable by dressing cosy. The thermometer averaged maximum of 65°F. The minimum is 56°F. Thus, the mean temperature average in july in Derry (Londonderry) is 59°F. These temperatures are far removed from those records observed in Derry (Londonderry) in july with a maximum record of 81°F in 2021 and a minimum record of 47°F in 2012. You can expect to have about 12 days with temperatures above 65°F, or 39% of time.
Day length in Derry (Londonderry) in july is 16:48. The sun rises at 04:11 and sunset is at 20:59.
With a bad weather, this month is not the best time to go in that area in North Ireland.
July: another location in Northern Ireland?
If you want to go to Northern Ireland in july, there are destinations with better weather than Derry (Londonderry):
In july, 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 july
Check below seasonal norms These statistics are compiled from the weather statements earlier years of july.
| July | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 81°F (2021) | ||||
| Lowest record temperature | 47°F (2012) | ||||
| Number of days at +65°F | 12 day(s) (39%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 55°F | ||||
| Highest sea temperature | 60°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.1in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 1.1in (2020) | ||||
| Other climate data | |||||
| Humidity | 94% | ||||
| Visibility | 7.68km | ||||
| Cloud cover | 69% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:11 | ||||
| Time of sunset | 20:59 | ||||
| Length of day | 16:48 | ||||
| Our opinion about the weather in july | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last july?
Here is the day by day recorded weather in Derry (Londonderry) in july 2024:
54°F to 59°F
52°F to 59°F
50°F to 59°F
50°F to 59°F
52°F to 58°F
47°F to 59°F
50°F to 58°F
47°F to 65°F
50°F to 63°F
54°F to 59°F
52°F to 59°F
52°F to 61°F
56°F to 65°F
52°F to 68°F
54°F to 67°F
54°F to 65°F
56°F to 65°F
56°F to 59°F
58°F to 67°F
52°F to 58°F
50°F to 61°F
56°F to 61°F
50°F to 67°F
58°F to 67°F
58°F to 61°F
52°F to 65°F
52°F to 63°F
50°F to 70°F
54°F to 67°F
50°F to 67°F
50°F to 72°F
Map: other cities in Northern Ireland in july
Cities near Derry (Londonderry):
| Strabane in july | bad weather |
| Limavady in july | bad weather |
| Castlerock in july | tolerable weather |
| Portstewart in july | tolerable weather |
| Coleraine in july | tolerable weather |
| Omagh in july | bad weather |
| Maghera in july | tolerable weather |
| Portrush in july | tolerable weather |
| Ballymoney in july | tolerable weather |
| Magherafelt in july | tolerable weather |
| Cookstown in july | bad weather |
| Dromore in july | bad weather |
Click over cities on the map for information about the weather in july.
Derry (Londonderry)
perfect weather
good
tolerable
bad
very bad
Weather data for Derry (Londonderry) in july:
Weather data for Derry (Londonderry) for july 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).