Daylight through the yearLongest day (Jun 21): 17 h 17 min4:47 am – 10:04 pmShortest day (Dec 21): 7 h 15 min8:44 am – 3:59 pm
Sun todaySunrise –Sunset –
People2,626 residentsin the Black Mountain J census area1,179 householdsSource: Northern Ireland Statistics and Research Agency, Census 2021
ClimateWarmest month July: highs 18°C, lows 10°CColdest month February: highs 7°C, lows 1°C1,231 mm of rain a year, 27 days with 10 mm or morewettest month November32 days of air frost, 2 summer days above 25°C in a typical yearSource: Met Office HadUK-Grid 1991-2020 averages, 2 km grid (highs and lows from the 12 km grid)
Earthquakes1 of magnitude 2 or more within 50 miles since 19700 of magnitude 3+, 0 of magnitude 4+Largest: magnitude 2.0 on 19 Oct 199012 mi away, Carrickfergus, AntrimMost recent: magnitude 2.0 on 19 Oct 199012 mi away, Carrickfergus, AntrimSource: British Geological Survey earthquake database
Air qualityNO2 8.2 · PM2.5 5.6 · PM10 10.0 µg/m³annual mean concentrations, 2024Within UK limits, above the WHO guideline for PM2.5Source: DEFRA modelled background pollution maps 2024, 1 km grid
Broadband84% of premises can get gigabit-capable broadband100% can get superfast (30 Mbit/s or more)Every premises can get at least 10 Mbit/s (the universal service obligation)1,494 residential premises in the census areaSource: Ofcom Connected Nations, July 2025
Local servicesHospitalPhotopheresis Service, The Royal Belfast Hospital For Sick Childrenunder a mileGP surgeryDr. Colgan38 surgeries within 2 milesright hereSource: NHS Organisation Data Service
SchoolsWithin 2 mi72 schools42 primary, 11 secondary, 3 special, 16 nurserySecondarySt Louise's Comprehensive College1,548 pupilsright herePrimarySt Kevin's Primary School519 pupilsright hereSecondaryColaiste Feirste1,009 pupilsunder a mileSource: Department of Education (Northern Ireland), school-level data
Getting aroundAirportGeorge Best Belfast City Airport BHD4.4 miMajor airportBelfast International Airport BFS11 miSources: Department for Transport NaPTAN; OurAirports
Distances in these cards are measured from the centre of the BT12 postcode district.
