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Weather & Climate in Ardglass, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ardglass experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 37°F in January while summers reach 60°F in July. The area gets 279 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 31.2 inches. The city sits at an elevation of 20 feet.
Temperature
37°F Jan (3°C)
60°F Jul (16°C)
| Annual Average | 47.9°F |
| 11% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 992.2 sq mi (2,569.7 km²) |
| Population Density | 2/sq mi |
| Coordinates | 54.2631°N, 5.6098°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 147 km | 10 km |
| Aug 25, 2013 | 23 km W of Cleveleys, United Kingdom | M3.2 | 150 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.2 in | Coldest, Wettest |
| February | 38°F (4°C) | 2.3 in | |
| March | 43°F (6°C) | 2.5 in | |
| April | 47°F (8°C) | 2.2 in | |
| May | 52°F (11°C) | 2.0 in | Driest |
| June | 57°F (14°C) | 2.2 in | |
| July | 60°F (16°C) | 2.2 in | Warmest |
| August | 59°F (15°C) | 2.9 in | |
| September | 55°F (13°C) | 2.7 in | |
| October | 49°F (9°C) | 3.1 in | |
| November | 42°F (5°C) | 2.8 in | |
| December | 38°F (3°C) | 3.2 in |
Ardglass has a seasonal temperature swing of 23°F / from 37°F in January to 60°F in July. Total annual precipitation is 31.2 inches, with January being the wettest month (3.2") and May the driest (2.0").