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Weather & Climate in Castledawson, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castledawson experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 40°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 42.6 inches. The city sits at an elevation of 108 feet.
Temperature
40°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 40°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 1,083.3 sq mi (2,805.9 km²) |
| Population Density | 2/sq mi |
| Coordinates | 54.7772°N, 6.5623°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| May 3, 1998 | Scotland, United Kingdom | M3.5 | 146 km | 15 km |
| Jan 26, 1990 | 34 km N of Isle of Islay, United Kingdom | M3.0 | 147 km | 10 km |
| Aug 27, 1992 | 33 km NNE of Isle of Islay, United Kingdom | M2.7 | 147 km | 10 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 142 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 4.4 in | Coldest |
| February | 41°F (5°C) | 3.3 in | |
| March | 43°F (6°C) | 3.6 in | |
| April | 46°F (8°C) | 2.7 in | |
| May | 51°F (11°C) | 2.6 in | Driest |
| June | 56°F (13°C) | 2.7 in | |
| July | 59°F (15°C) | 2.8 in | Warmest |
| August | 59°F (15°C) | 3.6 in | |
| September | 55°F (13°C) | 3.7 in | |
| October | 50°F (10°C) | 4.5 in | Wettest |
| November | 44°F (7°C) | 4.3 in | |
| December | 42°F (5°C) | 4.4 in |
Castledawson has a seasonal temperature swing of 19°F / from 40°F in January to 59°F in July. Total annual precipitation is 42.6 inches, with October being the wettest month (4.5") and May the driest (2.6").