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Weather & Climate in Mullion, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mullion experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 44°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 42.9 inches. The city sits at an elevation of 226 feet.
Temperature
44°F Jan (7°C)
60°F Jul (16°C)
| Annual Average | 51.2°F |
| 5% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 226 ft (69 m) |
| Area | 3,058.0 sq mi (7,920.3 km²) |
| Population Density | 1/sq mi |
| Coordinates | 50.0271°N, 5.2425°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 10, 1996 | 19 km S of St Just, United Kingdom | M4.1 | 29 km | 10 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 115 km | 29 km |
| Aug 17, 1995 | 28 km S of Salcombe, United Kingdom | M3.6 | 104 km | 10 km |
| Oct 14, 2002 | 98 km S of Hugh Town, United Kingdom | M3.3 | 139 km | 10 km |
| Jan 19, 2001 | 53 km S of Mullion, United Kingdom | M3.2 | 53 km | 10 km |
| Oct 16, 1997 | 4 km ENE of Torquay, United Kingdom | M3.2 | 136 km | 10 km |
| Mar 28, 2005 | 71 km WNW of Porspoder, France | M3.0 | 131 km | 10 km |
| Jul 20, 2007 | 31 km NW of Porspoder, France | M3.0 | 146 km | 16 km |
| Feb 8, 1998 | 18 km SW of Mullion, United Kingdom | M2.9 | 19 km | 5 km |
| Sep 5, 1999 | 15 km WSW of Salcombe, United Kingdom | M2.9 | 93 km | 5 km |
| Mar 23, 2008 | 38 km NW of St Just, United Kingdom | M2.8 | 69 km | 6 km |
| May 31, 1998 | 38 km WNW of Northam, United Kingdom | M2.8 | 135 km | 15 km |
| Jun 16, 1991 | 17 km SSW of Wembury, United Kingdom | M2.8 | 77 km | 10 km |
| Apr 2, 2000 | 33 km S of Mullion, United Kingdom | M2.7 | 33 km | 10 km |
| Jun 23, 2011 | 4 km WSW of Bovey Tracey, United Kingdom | M2.7 | 123 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.2 in | Wettest |
| February | 44°F (7°C) | 4.0 in | Coldest |
| March | 45°F (7°C) | 3.6 in | |
| April | 47°F (8°C) | 2.5 in | |
| May | 52°F (11°C) | 2.4 in | |
| June | 56°F (14°C) | 2.5 in | |
| July | 60°F (16°C) | 2.1 in | Driest |
| August | 60°F (16°C) | 2.9 in | Warmest |
| September | 57°F (14°C) | 3.5 in | |
| October | 53°F (12°C) | 4.3 in | |
| November | 49°F (9°C) | 4.8 in | |
| December | 46°F (8°C) | 5.2 in |
Mullion has a seasonal temperature swing of 17°F / from 44°F in February to 60°F in August. Total annual precipitation is 42.9 inches, with January being the wettest month (5.2") and July the driest (2.1").