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Weather & Climate in Llandissilio, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Llandissilio experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 41°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 348 feet.
Temperature
41°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 49.5°F |
| 8% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 348 ft (106 m) |
| Area | 4.6 sq mi (12.0 km²) |
| Population Density | 111/sq mi |
| Coordinates | 51.8583°N, 4.7290°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
29 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 | 130 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 82 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 62 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 68 km | 3 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 96 km | 29 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 114 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 148 km | 7 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 110 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 148 km | 7 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 147 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 120 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 103 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 110 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 118 km | 14 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 108 km | 10 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 136 km | 10 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 115 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 107 km | 6 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 148 km | 7 km |
| Sep 17, 1993 | 3 km S of Leominster, United Kingdom | M3.2 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 4.8 in | |
| February | 41°F (5°C) | 3.5 in | Coldest |
| March | 43°F (6°C) | 3.7 in | |
| April | 46°F (8°C) | 2.9 in | |
| May | 51°F (11°C) | 2.8 in | Driest |
| June | 55°F (13°C) | 3.1 in | |
| July | 59°F (15°C) | 2.9 in | |
| August | 59°F (15°C) | 3.7 in | Warmest |
| September | 56°F (13°C) | 3.9 in | |
| October | 52°F (11°C) | 5.0 in | |
| November | 46°F (8°C) | 5.2 in | Wettest |
| December | 43°F (6°C) | 4.9 in |
Llandissilio has a seasonal temperature swing of 19°F / from 41°F in February to 59°F in August. Total annual precipitation is 46.3 inches, with November being the wettest month (5.2") and May the driest (2.8").