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Weather & Climate in Llanrwst, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Llanrwst experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 38°F in January while summers reach 58°F in July. The area gets 245 sunny days per year, above the national average. Annual precipitation totals 50.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 56 feet.
Temperature
38°F Jan (4°C)
58°F Jul (14°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 38°F (4°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 245 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 1,645/sq mi |
| Coordinates | 53.1402°N, 3.7953°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 22, 2002 | 2 km ESE of Wombourn, United Kingdom | M4.8 | 130 km | 9 km |
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 107 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 146 km | 10 km |
| Oct 21, 2002 | 1 km ESE of Manchester, United Kingdom | M4.3 | 111 km | 5 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 68 km | 10 km |
| Oct 24, 2002 | 2 km WNW of Droylsden, United Kingdom | M3.8 | 114 km | 4 km |
| Mar 7, 1996 | 3 km SW of Clive, United Kingdom | M3.8 | 79 km | 10 km |
| Feb 14, 2005 | 2 km SW of Conwy, United Kingdom | M3.8 | 14 km | 5 km |
| Apr 28, 2009 | 3 km WSW of Flookburgh, United Kingdom | M3.7 | 125 km | 9 km |
| Oct 21, 2002 | 0 km N of Longdendale, United Kingdom | M3.7 | 125 km | 5 km |
| May 30, 2022 | 2 km ESE of Prees, United Kingdom | M3.6 | 83 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 73 km | 10 km |
| Oct 22, 2002 | 0 km S of Droylsden, United Kingdom | M3.5 | 116 km | 4 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 40 km | 10 km |
| Feb 29, 2004 | 0 km SW of Diggle, United Kingdom | M3.4 | 128 km | 12 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 17 km | 10 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 101 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 20 km | 10 km |
| Feb 20, 1995 | England, United Kingdom | M3.3 | 114 km | 5 km |
| Oct 23, 2002 | 0 km WSW of Droylsden, United Kingdom | M3.3 | 115 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 5.0 in | |
| February | 38°F (3°C) | 3.7 in | Coldest |
| March | 41°F (5°C) | 4.4 in | |
| April | 44°F (7°C) | 3.2 in | |
| May | 49°F (10°C) | 2.8 in | Driest |
| June | 54°F (12°C) | 3.2 in | |
| July | 58°F (14°C) | 3.2 in | Warmest |
| August | 57°F (14°C) | 3.9 in | |
| September | 54°F (12°C) | 4.3 in | |
| October | 49°F (9°C) | 5.1 in | |
| November | 43°F (6°C) | 5.7 in | Wettest |
| December | 40°F (4°C) | 5.5 in |
Llanrwst has a seasonal temperature swing of 20°F / from 38°F in February to 58°F in July. Total annual precipitation is 50.0 inches, with November being the wettest month (5.7") and May the driest (2.8").