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Weather & Climate in Seven Sisters, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seven Sisters experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 64°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 31.7 inches. The area receives 3.0 inches of snow annually. The city sits at an elevation of 59 feet.
Temperature
41°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 11.7 sq mi (30.3 km²) |
| Population Density | 1,367/sq mi |
| Coordinates | 51.5777°N, 0.0790°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 93 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 109 km | 10 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 131 km | 13 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 129 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 150 km | 2 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 135 km | 3 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 118 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 110 km | 12 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 101 km | 4 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 135 km | 2 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 92 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 44 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 106 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 149 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 149 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 116 km | 5 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 67 km | 5 km |
| Jan 1, 1995 | 2 km ESE of Halesworth, United Kingdom | M2.9 | 140 km | 10 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 102 km | 3 km |
| Mar 18, 2001 | 8 km W of Marlborough, United Kingdom | M2.9 | 123 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1858 | NORTH SEA | Unknown | 6.0 m | — | 132 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 106 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.4 in | Wettest |
| February | 41°F (5°C) | 1.6 in | Coldest, Driest |
| March | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 1.8 in | |
| May | 54°F (12°C) | 1.9 in | |
| June | 60°F (15°C) | 2.1 in | |
| July | 64°F (18°C) | 1.7 in | Warmest |
| August | 64°F (18°C) | 1.9 in | |
| September | 58°F (15°C) | 2.2 in | |
| October | 52°F (11°C) | 2.4 in | |
| November | 45°F (7°C) | 2.4 in | |
| December | 42°F (6°C) | 2.3 in |
Seven Sisters has a seasonal temperature swing of 23°F / from 41°F in February to 64°F in July. Total annual precipitation is 24.6 inches, with January being the wettest month (2.4") and February the driest (1.6").