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Weather & Climate in Southend-on-Sea, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Southend-on-Sea experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 42°F in January while summers reach 64°F in July. The area gets 238 sunny days per year, above the national average. Annual precipitation totals 31.0 inches. The area receives 3.4 inches of snow annually. The city sits at an elevation of 102 feet.
Temperature
42°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 16.1 sq mi (41.8 km²) |
| Population Density | 18,319/sq mi |
| Coordinates | 51.5378°N, 0.7143°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
35 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 | 54 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 94 km | 10 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 99 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 128 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 75 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 120 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 57 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 131 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 57 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 111 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 79 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 140 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 119 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 145 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 101 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 101 km | 10 km |
| Mar 28, 1996 | 67 km ESE of Aldeburgh, United Kingdom | M3.0 | 128 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 140 km | 5 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 88 km | 5 km |
| Jan 1, 1995 | 2 km ESE of Halesworth, United Kingdom | M2.9 | 106 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 | — | 84 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 61 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 1.8 in | |
| February | 40°F (5°C) | 1.2 in | Coldest, Driest |
| March | 44°F (7°C) | 1.5 in | |
| April | 47°F (8°C) | 1.3 in | |
| May | 53°F (12°C) | 1.5 in | |
| June | 59°F (15°C) | 2.0 in | |
| July | 64°F (18°C) | 1.5 in | Warmest |
| August | 63°F (17°C) | 1.8 in | |
| September | 59°F (15°C) | 1.9 in | |
| October | 52°F (11°C) | 2.1 in | Wettest |
| November | 45°F (7°C) | 2.1 in | |
| December | 42°F (5°C) | 1.9 in |
Southend-on-Sea has a seasonal temperature swing of 24°F / from 40°F in February to 64°F in July. Total annual precipitation is 20.5 inches, with October being the wettest month (2.1") and February the driest (1.2").