Castlerock in july: average Weather, Temperature and Climate
Weather in Castlerock in july 2025
The weather in Castlerock in july comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout july
tolerable weather
Weather at 6am
56°F
Moderate rain at times
28% of time
26%
20%
14%
Weather at 12pm
61°F
Moderate rain at times
42% of time
23%
15%
14%
Weather at 6pm
61°F
Moderate rain at times
39% of time
17%
16%
16%
Weather at 3am
56°F
28%
26%
18%
15%
Evolution of daily average temperature and precipitation in Castlerock in july
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Castlerock in july.
The climate of Castlerock in july is tolerable
In july in Castlerock, the climate is wet (with 6in of precipitation over 11 days). Unfortunately, the weather conditions is worsening than the previous month since in june there is an average of 4.9in of precipitation over 9 days.
The climate is fairly cold in this location july, but it is liveable by dressing cosy. The thermometer averaged maximum of 63°F. The seasonal minimum is 56°F. Thus, the mean temperature average on this month of july in Castlerock is 59°F. Note that seasonal normals in contrast with those observed in Castlerock in july with a maximum record of 72°F in 2013 and a minimum record of 49°F in 2020. You can hope to have about 7 days with temperatures over 65°F, or 23% of time.
On this month of july, day length in Castlerock is generally 16:50. The sun rises at 04:08 and sunset is at 20:58.
With a correct climate, the month of july is okay (but not good) to go in this city.
July: another location in Northern Ireland?
If you want to go to Northern Ireland in july, there are destinations with better weather than Castlerock:
In july, Donwpatrick, Annalong, Ballywalter, Bangor, Carrickfergus and Donaghadee have good weather.
Seasonal average climate and temperature of Castlerock 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 | 63°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 72°F (2013) | ||||
| Lowest record temperature | 49°F (2020) | ||||
| Number of days at +65°F | 7 day(s) (23%) | ||||
| Sea temperature | |||||
| Average sea temperature | 57°F | ||||
| Lowest sea temperature | 54°F | ||||
| Highest sea temperature | 59°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6in | ||||
| Number of days with rainfall | 11 day(s) (35%) | ||||
| Record daily rainfall | 2.2in (2020) | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.91km | ||||
| Cloud cover | 59% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:08 | ||||
| Time of sunset | 20:58 | ||||
| Length of day | 16:50 | ||||
| Our opinion about the weather in july | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last july?
Here is the day by day recorded weather in Castlerock in july 2024:
54°F to 56°F
54°F to 56°F
52°F to 56°F
52°F to 54°F
54°F to 56°F
52°F to 54°F
52°F to 56°F
52°F to 56°F
54°F to 58°F
54°F to 56°F
54°F to 56°F
54°F to 56°F
56°F to 58°F
56°F to 59°F
56°F to 59°F
56°F to 58°F
56°F to 61°F
56°F to 58°F
58°F to 63°F
54°F to 56°F
54°F to 58°F
56°F to 58°F
56°F to 58°F
58°F to 61°F
58°F to 59°F
54°F to 58°F
54°F to 58°F
56°F to 63°F
56°F to 63°F
54°F to 58°F
54°F to 59°F
Map: other cities in Northern Ireland in july
Cities near Castlerock:
| Portstewart in july | tolerable weather |
| Coleraine in july | tolerable weather |
| Portrush in july | tolerable weather |
| Limavady in july | bad weather |
| Ballymoney in july | tolerable weather |
| Maghera in july | tolerable weather |
| Ballycastle (Causeway Coast) in july | tolerable weather |
| Derry (Londonderry) in july | bad weather |
| Ballymena in july | tolerable weather |
| Magherafelt in july | tolerable weather |
| Glenariff in july | tolerable weather |
| Cookstown in july | bad weather |
Click over cities on the map for information about the weather in july.
Castlerock
perfect weather
good
tolerable
bad
very bad
Weather data for Castlerock in july:
Weather data for Castlerock for july are derived from an average of the weather forecast since 2009 in Castlerock. There is a margin of error and these forecasts are to be considered as general information only. The weather in Castlerock 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 Castlerock.