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Weather & Climate in Castle Cary, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castle Cary experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 40°F in January while summers reach 60°F in July. The area gets 223 sunny days per year, above the national average. Annual precipitation totals 43.6 inches. The area receives 4.1 inches of snow annually. The city sits at an elevation of 299 feet.
Temperature
40°F Jan (4°C)
60°F Jul (16°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 223 days/yr |
Geography
| Elevation | 299 ft (91 m) |
| Area | 1,596.6 sq mi (4,135.2 km²) |
| Population Density | 2/sq mi |
| Coordinates | 51.0900°N, 2.5142°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
37 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 | 140 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 109 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 117 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 119 km | 3 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 146 km | 13 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 120 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 33 km | 7 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 33 km | 7 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 67 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 85 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 70 km | 10 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 91 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 66 km | 14 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 144 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 82 km | 6 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 70 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 33 km | 7 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 120 km | 10 km |
| Sep 17, 1993 | 3 km S of Leominster, United Kingdom | M3.2 | 124 km | 10 km |
| Oct 16, 1997 | 4 km ENE of Torquay, United Kingdom | M3.2 | 95 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 | — | 74 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 3.2 in | Coldest |
| February | 41°F (5°C) | 2.3 in | |
| March | 44°F (7°C) | 2.4 in | |
| April | 47°F (8°C) | 2.0 in | Driest |
| May | 53°F (12°C) | 2.1 in | |
| June | 58°F (14°C) | 2.3 in | |
| July | 60°F (16°C) | 2.0 in | |
| August | 61°F (16°C) | 2.4 in | Warmest |
| September | 57°F (14°C) | 2.7 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 46°F (8°C) | 2.9 in | |
| December | 43°F (6°C) | 3.4 in | Wettest |
Castle Cary has a seasonal temperature swing of 22°F / from 40°F in January to 61°F in August. Total annual precipitation is 30.4 inches, with December being the wettest month (3.4") and April the driest (2.0").