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Weather & Climate in Chatham, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chatham 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 69 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 | 69 ft (21 m) |
| Area | 116.9 sq mi (302.7 km²) |
| Population Density | 646/sq mi |
| Coordinates | 51.3789°N, 0.5279°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 | 47 km | 10 km |
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 148 km | 1 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 113 km | 10 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 115 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 124 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 91 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 109 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 64 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 126 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 54 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 122 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 60 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 119 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 107 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 102 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 110 km | 10 km |
| Mar 28, 1996 | 67 km ESE of Aldeburgh, United Kingdom | M3.0 | 146 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 109 km | 5 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 127 km | 5 km |
| Jan 1, 1995 | 2 km ESE of Halesworth, United Kingdom | M2.9 | 127 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 | — | 85 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 59 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.3 in | |
| February | 40°F (5°C) | 1.4 in | Coldest, Driest |
| March | 44°F (7°C) | 1.7 in | |
| April | 47°F (8°C) | 1.6 in | |
| May | 53°F (12°C) | 1.6 in | |
| June | 59°F (15°C) | 2.0 in | |
| July | 64°F (18°C) | 1.6 in | Warmest |
| August | 63°F (17°C) | 1.9 in | |
| September | 58°F (15°C) | 2.1 in | |
| October | 52°F (11°C) | 2.3 in | |
| November | 45°F (7°C) | 2.4 in | Wettest |
| December | 42°F (5°C) | 2.3 in |
Chatham has a seasonal temperature swing of 24°F / from 40°F in February to 64°F in July. Total annual precipitation is 23.2 inches, with November being the wettest month (2.4") and February the driest (1.4").