Ballycastle, Northern Ireland Climate
United Kingdom
Pop. 5,566 Elev. 11 m / 36 ft
TZ: Europe/London (UTC+1) ·
Ballycastle enjoys a mild climate with limited seasonal extremes, ranging from 43°F (6°C) in January to 61°F (16°C) in August. Wind chill can push winter lows to 36°F (2°C). Precipitation occurs on roughly 80 days per year (49.2 in / 1250 mm total). The city averages 59 sunny days per year and around 25 thunderstorm days. Ocean water temperatures reach 60°F (15°C) in summer.
| Temperature | 16°C (61°F) high | 6°C (43°F) low |
| Feels like | 2°C (36°F) low | |
| Rain | 80 days | 1250 mm (49.2 in) /yr |
| Sky | 59 sunny | 25 stormy |
| Wind | 3.0 m/s (6.8 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug
Sky & Air by Month
Cloud cover (%)
68
Jan 71
Feb 68
Mar 55
Apr 47
May 75
Jun 72
Jul 65
Aug 72
Sep 84
Oct 73
Nov 71
Dec Humidity (%)
79
Jan 79
Feb 81
Mar 81
Apr 82
May 83
Jun 88
Jul 84
Aug 79
Sep 81
Oct 78
Nov 82
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 53 km Islay Airport (ILY)
Ski resort 129 km Newmilns Snow & Sports Complex
National park 42 km
Hospital 2 km Dalriada Hospital
Hiking trail 6 km Ballypatrick Forest Trails - 2 Glenmakeeran Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 8°C 46°F | 6°C 43°F | 91 mm 3.6 in | 3 mm0.1 in | 2 |
| February | 8°C 46°F | 6°C 43°F | 69 mm 2.7 in | — | 6 |
| March | 9°C 48°F | 7°C 45°F | 41 mm 1.6 in | — | 5 |
| April | 10°C 50°F | 8°C 47°F | 76 mm 3.0 in | — | 10 |
| May | 12°C 53°F | 10°C 50°F | 60 mm 2.4 in | — | 15 |
| June | 14°C 57°F | 12°C 53°F | 127 mm 5.0 in | — | 1 |
| July | 15°C 59°F | 14°C 57°F | 88 mm 3.5 in | — | 5 |
| August | 16°C 61°F | 14°C 58°F | 79 mm 3.1 in | — | 5 |
| September | 15°C 58°F | 13°C 55°F | 136 mm 5.4 in | — | 3 |
| October | 13°C 55°F | 11°C 52°F | 186 mm 7.3 in | — | 0 |
| November | 11°C 51°F | 9°C 48°F | 183 mm 7.2 in | — | 3 |
| December | 9°C 49°F | 7°C 45°F | 114 mm 4.5 in | — | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 2 |
| February | 6 | 0 |
| March | 5 | 1 |
| April | 10 | 1 |
| May | 15 | 1 |
| June | 1 | 1 |
| July | 5 | 3 |
| August | 5 | 1 |
| September | 3 | 3 |
| October | 0 | 7 |
| November | 3 | 4 |
| December | 4 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 50°F | 6°C 43°F |
| February | 9°C 48°F | 6°C 42°F |
| March | 8°C 47°F | 6°C 43°F |
| April | 9°C 48°F | 8°C 46°F |
| May | 11°C 52°F | 11°C 52°F |
| June | 13°C 55°F | 13°C 56°F |
| July | 14°C 58°F | 16°C 61°F |
| August | 15°C 60°F | 16°C 61°F |
| September | 15°C 59°F | 14°C 57°F |
| October | 14°C 58°F | 12°C 54°F |
| November | 13°C 56°F | 9°C 49°F |
| December | 12°C 53°F | 7°C 45°F |