Coleraine, Northern Ireland Climate
United Kingdom
Pop. 25,681 Elev. 5 m / 16 ft
TZ: Europe/London (UTC+1) ·
Coleraine enjoys a mild climate with limited seasonal extremes, ranging from 42°F (6°C) in January to 62°F (17°C) in August. Precipitation occurs on roughly 90 days per year (50.8 in / 1290 mm total). The city averages 47 sunny days per year and around 27 thunderstorm days. Ocean water temperatures reach 61°F (16°C) in summer.
| Temperature | 17°C (62°F) high | 6°C (42°F) low |
| Feels like | 2°C (36°F) low | |
| Rain | 90 days | 1290 mm (50.8 in) /yr |
| Sky | 47 sunny | 27 stormy |
| Wind | 3.1 m/s (6.8 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Aug
Sky & Air by Month
Cloud cover (%)
71
Jan 73
Feb 72
Mar 56
Apr 49
May 77
Jun 74
Jul 68
Aug 74
Sep 85
Oct 75
Nov 74
Dec Humidity (%)
80
Jan 79
Feb 80
Mar 80
Apr 82
May 82
Jun 86
Jul 83
Aug 79
Sep 81
Oct 79
Nov 82
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 34 km City of Derry Airport (LDY)
Ski resort 216 km Ski Club Of Ireland
National park 21 km Slaght River
Hospital 2 km Mountfern Complex
Hiking trail 6 km Dune and Estuary Walk, Portstewart Strand
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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 42°F | 93 mm 3.7 in | 9 mm0.3 in | 0 |
| February | 8°C 47°F | 6°C 43°F | 84 mm 3.3 in | — | 4 |
| March | 9°C 48°F | 7°C 45°F | 42 mm 1.7 in | — | 3 |
| April | 11°C 51°F | 9°C 47°F | 91 mm 3.6 in | — | 10 |
| May | 12°C 54°F | 10°C 51°F | 66 mm 2.6 in | — | 15 |
| June | 15°C 58°F | 12°C 54°F | 135 mm 5.3 in | — | 1 |
| July | 16°C 60°F | 14°C 58°F | 88 mm 3.5 in | — | 5 |
| August | 17°C 62°F | 15°C 58°F | 79 mm 3.1 in | — | 4 |
| September | 15°C 58°F | 12°C 54°F | 131 mm 5.2 in | — | 2 |
| October | 13°C 55°F | 11°C 52°F | 189 mm 7.4 in | — | 0 |
| November | 11°C 51°F | 9°C 47°F | 179 mm 7.0 in | 1 mm0.1 in | 0 |
| December | 9°C 49°F | 7°C 45°F | 113 mm 4.5 in | — | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 0 | 3 |
| February | 4 | 0 |
| March | 3 | 1 |
| April | 10 | 1 |
| May | 15 | 2 |
| June | 1 | 3 |
| July | 5 | 3 |
| August | 4 | 0 |
| September | 2 | 2 |
| October | 0 | 6 |
| November | 0 | 5 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 9°C 49°F | 6°C 43°F |
| February | 8°C 47°F | 6°C 42°F |
| March | 9°C 47°F | 6°C 43°F |
| April | 10°C 50°F | 8°C 46°F |
| May | 12°C 54°F | 11°C 52°F |
| June | 14°C 58°F | 13°C 56°F |
| July | 15°C 60°F | 16°C 61°F |
| August | 16°C 61°F | 16°C 61°F |
| September | 15°C 60°F | 14°C 57°F |
| October | 14°C 58°F | 12°C 54°F |
| November | 13°C 55°F | 9°C 49°F |
| December | 11°C 52°F | 7°C 45°F |