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Dún Laoghaire, Ireland

Full City Profile

26,525 Population 547/sq mi density
52 ft Elevation 16 meters
52°F Avg Temperature 11°C
Dún Laoghaire experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 44°F in January while summers reach 60°F in July. The area gets 225 sunny days per year. Annual precipitation totals 41.7 inches. The area receives 3.6 inches of snow annually.

Temperature

44°F Jan (6°C) 60°F Jul (15°C)
Annual Average52.4°F
3% below US avg
January Average44°F (6°C)
July Average60°F (15°C)
Sunny Days225 days/yr

Geography

Elevation52 ft (16 m)
Area48.5 sq mi (125.5 km²)
Population Density547/sq mi
Coordinates53.2940°N, 6.1359°W
TimezoneEurope/Dublin

Precipitation & Snow

Annual Rainfall 41.7"
10% above US avg
Snowfall 3.6"
Wettest Month (Dec) 3.23"
Driest Month (Apr) 2.05"

Air Quality

Earthquake History

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M0.0 on May 26, 2015.

May 29, 2013 14 km WSW of Nefyn, United Kingdom M3.8 105 km
Jul 29, 1992 8 km WNW of Caernarfon, United Kingdom M3.5 117 km
Feb 10, 1994 2 km NNE of Tregarth, United Kingdom M3.3 137 km
Sep 1, 1999 4 km SSW of Llanfairfechan, United Kingdom M3.3 142 km
May 26, 2015 6 km WSW of Caernarfon, United Kingdom M3.0 120 km
Jun 26, 2013 14 km WSW of Nefyn, United Kingdom M2.8 105 km
Oct 16, 1998 1 km WSW of Y Felinheli, United Kingdom M2.7 128 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 44°F (6°C) 3.1 in
February 41°F (5°C) 2.4 in Coldest
March 44°F (7°C) 2.4 in
April 46°F (8°C) 2.1 in Driest
May 51°F (11°C) 2.1 in
June 56°F (13°C) 2.3 in
July 60°F (15°C) 2.3 in Warmest
August 59°F (15°C) 3.0 in
September 56°F (13°C) 2.7 in
October 51°F (10°C) 3.2 in
November 45°F (7°C) 3.0 in
December 42°F (6°C) 3.2 in Wettest

Dún Laoghaire has a seasonal temperature swing of 19°F / from 41°F in February to 60°F in July. Total annual precipitation is 31.7 inches, with December being the wettest month (3.2") and April the driest (2.1").

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