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Weather & Climate in East Grinstead, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
East Grinstead experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 62°F in July. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 40.5 inches. The area receives 4.3 inches of snow annually. The city sits at an elevation of 449 feet.
Temperature
41°F Jan (5°C)
62°F Jul (17°C)
| Annual Average | 52.4°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 227 days/yr |
Geography
| Elevation | 449 ft (137 m) |
| Area | 9.4 sq mi (24.4 km²) |
| Population Density | 2,813/sq mi |
| Coordinates | 51.1238°N, 0.0061°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 | 71 km | 10 km |
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 120 km | 1 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 140 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 137 km | 10 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 123 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 110 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 103 km | 12 km |
| Sep 23, 2003 | 41 km WNW of Étretat, France | M3.6 | 144 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 83 km | 4 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 142 km | 10 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 143 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 73 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 23 km | 10 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 139 km | 5 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 109 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 128 km | 10 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 120 km | 4 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 125 km | 5 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 146 km | 10 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 144 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 | - | 113 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | - | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.5 in | Wettest |
| February | 40°F (4°C) | 2.2 in | Coldest |
| March | 43°F (6°C) | 2.4 in | |
| April | 46°F (8°C) | 2.1 in | |
| May | 52°F (11°C) | 2.0 in | |
| June | 57°F (14°C) | 2.3 in | |
| July | 62°F (17°C) | 1.7 in | Warmest, Driest |
| August | 61°F (16°C) | 2.1 in | |
| September | 57°F (14°C) | 2.6 in | |
| October | 51°F (11°C) | 3.2 in | |
| November | 45°F (7°C) | 3.4 in | |
| December | 41°F (5°C) | 3.4 in |
East Grinstead has a seasonal temperature swing of 23°F / from 40°F in February to 62°F in July. Total annual precipitation is 30.8 inches, with January being the wettest month (3.5") and July the driest (1.7").