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Weather & Climate in Llangefni, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Llangefni experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 42°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 265 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 39.1 inches. The city sits at an elevation of 49 feet.
Temperature
42°F Jan (5°C)
60°F Jul (16°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 265 days/yr |
Geography
| Elevation | 49 ft (15 m) |
| Area | 390.1 sq mi (1,010.4 km²) |
| Population Density | 12/sq mi |
| Coordinates | 53.2556°N, 4.3106°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
28 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 138 km | 18 km |
| Oct 21, 2002 | 1 km ESE of Manchester, United Kingdom | M4.3 | 141 km | 5 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 50 km | 10 km |
| Oct 24, 2002 | 2 km WNW of Droylsden, United Kingdom | M3.8 | 144 km | 4 km |
| Feb 14, 2005 | 2 km SW of Conwy, United Kingdom | M3.8 | 31 km | 5 km |
| Mar 7, 1996 | 3 km SW of Clive, United Kingdom | M3.8 | 115 km | 10 km |
| Apr 28, 2009 | 3 km WSW of Flookburgh, United Kingdom | M3.7 | 132 km | 9 km |
| May 30, 2022 | 2 km ESE of Prees, United Kingdom | M3.6 | 120 km | 10 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 12 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 102 km | 10 km |
| Oct 22, 2002 | 0 km S of Droylsden, United Kingdom | M3.5 | 146 km | 4 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 129 km | 10 km |
| Oct 23, 2002 | 0 km WSW of Droylsden, United Kingdom | M3.3 | 145 km | 5 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 21 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 16 km | 10 km |
| Aug 25, 2013 | 23 km W of Cleveleys, United Kingdom | M3.2 | 92 km | 8 km |
| Oct 29, 2002 | 2 km N of Longsight, United Kingdom | M3.1 | 142 km | 5 km |
| Jun 26, 1993 | 5 km WSW of High Bentham, United Kingdom | M3.0 | 147 km | 10 km |
| May 26, 2015 | 6 km WSW of Caernarfon, United Kingdom | M3.0 | 16 km | 9 km |
| Oct 22, 2002 | 1 km WNW of Longsight, United Kingdom | M2.9 | 141 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 3.8 in | |
| February | 41°F (5°C) | 2.8 in | Coldest |
| March | 44°F (7°C) | 3.3 in | |
| April | 47°F (8°C) | 2.3 in | |
| May | 52°F (11°C) | 2.1 in | Driest |
| June | 57°F (14°C) | 2.4 in | |
| July | 60°F (16°C) | 2.5 in | Warmest |
| August | 60°F (16°C) | 3.2 in | |
| September | 57°F (14°C) | 3.5 in | |
| October | 52°F (11°C) | 4.3 in | |
| November | 46°F (8°C) | 4.7 in | Wettest |
| December | 43°F (6°C) | 4.3 in |
Llangefni has a seasonal temperature swing of 19°F / from 41°F in February to 60°F in July. Total annual precipitation is 39.1 inches, with November being the wettest month (4.7") and May the driest (2.1").