Weather & Climate in Grays, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grays 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. Annual precipitation totals 31.0 inches. The area receives 3.4 inches of snow annually. The city sits at an elevation of 43 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) |
Geography
| Elevation | 43 ft (13 m) |
| Area | 78.8 sq mi (204.1 km²) |
| Population Density | 563/sq mi |
| Coordinates | 51.4757°N, 0.3252°E |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
32 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 | 64 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 107 km | 10 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 127 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 141 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 103 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 125 km | 2 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 148 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 80 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 144 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 72 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 107 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 52 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 115 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 123 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 119 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 106 km | 5 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 143 km | 5 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 125 km | 10 km |
| Feb 15, 1994 | 4 km NNE of Banham, United Kingdom | M2.9 | 124 km | 10 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 72 km | 5 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 | - | 102 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | - | 76 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.7 in | Wettest |
| February | 40°F (4°C) | 1.7 in | Coldest, Driest |
| March | 43°F (6°C) | 1.9 in | |
| April | 47°F (8°C) | 1.7 in | |
| May | 53°F (12°C) | 1.8 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 64°F (18°C) | 1.7 in | Warmest |
| August | 63°F (17°C) | 1.9 in | |
| September | 58°F (14°C) | 2.3 in | |
| October | 51°F (11°C) | 2.5 in | |
| November | 45°F (7°C) | 2.6 in | |
| December | 41°F (5°C) | 2.5 in |
Grays has a seasonal temperature swing of 24°F / from 40°F in February to 64°F in July. Total annual precipitation is 25.4 inches, with January being the wettest month (2.7") and February the driest (1.7").