All Countries
Weather & Climate in Clyst St Mary, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Clyst St Mary experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 42°F in January while summers reach 62°F in July. The area gets 272 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 35.4 inches. The city sits at an elevation of 62 feet.
Temperature
42°F Jan (6°C)
62°F Jul (17°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 0.9 sq mi (2.4 km²) |
| Population Density | 923/sq mi |
| Coordinates | 50.7077°N, 3.4502°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
31 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 126 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 116 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 88 km | 3 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 92 km | 29 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 54 km | 7 km |
| Aug 17, 1995 | 28 km S of Salcombe, United Kingdom | M3.6 | 84 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 54 km | 7 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 65 km | 10 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 95 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 111 km | 8 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 99 km | 14 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 124 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 54 km | 7 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 24 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 111 km | 6 km |
| Oct 16, 1997 | 4 km ENE of Torquay, United Kingdom | M3.2 | 25 km | 10 km |
| Nov 26, 1991 | 50 km N of Urville-Nacqueville, France | M3.0 | 139 km | 10 km |
| Jan 28, 2002 | 1 km S of Abercarn, United Kingdom | M3.0 | 105 km | 10 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 113 km | 10 km |
| Feb 11, 1998 | 4 km SE of Newport, United Kingdom | M2.9 | 102 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.4 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2011 | PLYMOUTH, ENGLAND | Avalanche | 0.4 m | — | 39 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 4.0 in | Coldest, Wettest |
| February | 42°F (6°C) | 3.0 in | |
| March | 45°F (7°C) | 2.8 in | |
| April | 47°F (8°C) | 2.2 in | |
| May | 53°F (12°C) | 2.3 in | |
| June | 58°F (15°C) | 2.1 in | Driest |
| July | 62°F (17°C) | 2.3 in | Warmest |
| August | 62°F (16°C) | 2.6 in | |
| September | 57°F (14°C) | 2.8 in | |
| October | 52°F (11°C) | 3.6 in | |
| November | 47°F (8°C) | 3.7 in | |
| December | 44°F (6°C) | 4.0 in |
Clyst St Mary has a seasonal temperature swing of 20°F / from 42°F in January to 62°F in July. Total annual precipitation is 35.4 inches, with January being the wettest month (4.0") and June the driest (2.1").