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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. 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 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) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 78.8 sq mi (204.1 km²) |
| Population Density | 1,139/sq mi |
| Coordinates | 51.4757°N, 0.3252°W |
| 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").