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Weather & Climate in Chew Magna, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chew Magna experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 61°F in July. The area gets 215 sunny days per year. Annual precipitation totals 45.7 inches. The area receives 2.6 inches of snow annually. The city sits at an elevation of 164 feet.
Temperature
41°F Jan (5°C)
61°F Jul (16°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 215 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 59.3 sq mi (153.5 km²) |
| Population Density | 19/sq mi |
| Coordinates | 51.3661°N, 2.6103°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
39 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 | 132 km | 9 km |
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 109 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 83 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 95 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 108 km | 3 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 123 km | 13 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 40 km | 7 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 99 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 40 km | 7 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 57 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 58 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 46 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 140 km | 10 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 62 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 40 km | 14 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 138 km | 10 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 113 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 54 km | 6 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 79 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 40 km | 7 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 | — | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.7 in | Wettest |
| February | 41°F (5°C) | 2.4 in | Coldest |
| March | 44°F (7°C) | 2.8 in | |
| April | 47°F (8°C) | 2.2 in | |
| May | 53°F (12°C) | 2.4 in | |
| June | 58°F (14°C) | 2.6 in | |
| July | 61°F (16°C) | 2.1 in | Driest |
| August | 62°F (17°C) | 2.8 in | Warmest |
| September | 57°F (14°C) | 3.2 in | |
| October | 52°F (11°C) | 3.4 in | |
| November | 46°F (8°C) | 3.4 in | |
| December | 42°F (6°C) | 3.7 in |
Chew Magna has a seasonal temperature swing of 21°F / from 41°F in February to 62°F in August. Total annual precipitation is 34.7 inches, with January being the wettest month (3.7") and July the driest (2.1").