Castlederg, Northern Ireland Climate
United Kingdom
Pop. 2,822 Elev. 47 m / 154 ft
TZ: Europe/London (UTC+1) ·
Castlederg sees cool summers peaking at 66°F (19°C) in August, and cool winters that bottom out around 36°F (2°C) in January. Precipitation occurs on roughly 75 days per year (40.6 in / 1032 mm total), with 4 in (95 mm) of annual snowfall. The city averages 38 sunny days per year and around 21 thunderstorm days. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 19°C (66°F) high | 2°C (36°F) low |
| Feels like | 0°C (33°F) low | |
| Rain | 75 days | 1032 mm (40.6 in) /yr |
| Snow | 0 days | 95 mm (3.7 in) /yr |
| Sky | 38 sunny | 21 stormy |
| Wind | 1.9 m/s (4.3 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jul, Aug
Sky & Air by Month
Cloud cover (%)
75
Jan 74
Feb 78
Mar 60
Apr 57
May 81
Jun 80
Jul 77
Aug 81
Sep 87
Oct 78
Nov 75
Dec Humidity (%)
90
Jan 85
Feb 80
Mar 74
Apr 73
May 80
Jun 81
Jul 82
Aug 84
Sep 87
Oct 88
Nov 90
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 47 km City of Derry Airport (LDY)
Ski resort 190 km Ski Club Of Ireland
National park 13 km
Hospital 16 km Lifford Community Hospital
Hiking trail 19 km Eskeradooey Public Right of Way
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 7°C 44°F | 2°C 36°F | 46 mm 1.8 in | 68 mm2.7 in | 1 |
| February | 8°C 46°F | 4°C 39°F | 84 mm 3.3 in | 24 mm0.9 in | 3 |
| March | 11°C 52°F | 4°C 40°F | 29 mm 1.1 in | — | 2 |
| April | 14°C 58°F | 6°C 43°F | 91 mm 3.6 in | — | 8 |
| May | 17°C 62°F | 7°C 45°F | 68 mm 2.7 in | — | 12 |
| June | 17°C 62°F | 11°C 51°F | 115 mm 4.5 in | — | 0 |
| July | 19°C 65°F | 13°C 55°F | 78 mm 3.1 in | — | 3 |
| August | 19°C 66°F | 13°C 55°F | 69 mm 2.7 in | — | 3 |
| September | 15°C 59°F | 9°C 48°F | 109 mm 4.3 in | — | 0 |
| October | 12°C 54°F | 9°C 48°F | 140 mm 5.5 in | — | 0 |
| November | 10°C 49°F | 5°C 41°F | 115 mm 4.5 in | 4 mm0.1 in | 1 |
| December | 8°C 46°F | 4°C 39°F | 88 mm 3.5 in | — | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 1 | 0 |
| February | 3 | 0 |
| March | 2 | 0 |
| April | 8 | 1 |
| May | 12 | 2 |
| June | 0 | 3 |
| July | 3 | 4 |
| August | 3 | 1 |
| September | 0 | 5 |
| October | 0 | 3 |
| November | 1 | 1 |
| December | 5 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 49°F | 4°C 40°F |
| February | 8°C 47°F | 4°C 40°F |
| March | 9°C 48°F | 6°C 43°F |
| April | 11°C 51°F | 9°C 48°F |
| May | 13°C 55°F | 13°C 55°F |
| June | 15°C 59°F | 14°C 57°F |
| July | 16°C 61°F | 16°C 61°F |
| August | 17°C 62°F | 16°C 61°F |
| September | 16°C 61°F | 13°C 55°F |
| October | 14°C 57°F | 10°C 51°F |
| November | 12°C 54°F | 7°C 45°F |
| December | 10°C 51°F | 5°C 42°F |