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Weather & Climate in Chilmark, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chilmark 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 229 sunny days per year, above the national average. Annual precipitation totals 42.8 inches. The area receives 6.1 inches of snow annually. The city sits at an elevation of 335 feet.
Temperature
41°F Jan (5°C)
61°F Jul (16°C)
| Annual Average | 52.2°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 335 ft (102 m) |
| Area | 1,308.1 sq mi (3,388.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 51.0918°N, 2.0438°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
37 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 | 133 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 144 km | 12 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 136 km | 13 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 142 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 65 km | 7 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 107 km | 10 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 98 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 65 km | 7 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 108 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 96 km | 10 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 111 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 89 km | 14 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 104 km | 6 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 102 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 123 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 89 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 65 km | 7 km |
| Sep 17, 1993 | 3 km S of Leominster, United Kingdom | M3.2 | 132 km | 10 km |
| Oct 16, 1997 | 4 km ENE of Torquay, United Kingdom | M3.2 | 121 km | 10 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 59 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 | — | 94 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.5 in | |
| February | 40°F (4°C) | 2.4 in | Coldest |
| March | 43°F (6°C) | 2.6 in | |
| April | 46°F (8°C) | 2.1 in | |
| May | 52°F (11°C) | 2.1 in | |
| June | 57°F (14°C) | 2.3 in | |
| July | 61°F (16°C) | 1.8 in | Warmest, Driest |
| August | 61°F (16°C) | 2.3 in | |
| September | 56°F (14°C) | 2.8 in | |
| October | 51°F (10°C) | 3.1 in | |
| November | 45°F (7°C) | 3.2 in | |
| December | 41°F (5°C) | 3.6 in | Wettest |
Chilmark has a seasonal temperature swing of 21°F / from 40°F in February to 61°F in July. Total annual precipitation is 31.7 inches, with December being the wettest month (3.6") and July the driest (1.8").