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Weather & Climate in Carshalton, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Carshalton experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 64°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 31.7 inches. The area receives 3.0 inches of snow annually. The city sits at an elevation of 128 feet.
Temperature
41°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 128 ft (39 m) |
| Area | 18.0 sq mi (46.5 km²) |
| Population Density | 2,536/sq mi |
| Coordinates | 51.3683°N, 0.1676°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
31 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 | 88 km | 10 km |
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 149 km | 1 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 132 km | 10 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 142 km | 13 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 138 km | 10 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 144 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 136 km | 2 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 124 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 112 km | 12 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 98 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 115 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 20 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 83 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 135 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 146 km | 10 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 147 km | 4 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 148 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 137 km | 5 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 85 km | 3 km |
| Mar 18, 2001 | 8 km W of Marlborough, United Kingdom | M2.9 | 117 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 | — | 129 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.5 in | Wettest |
| February | 41°F (5°C) | 1.6 in | Coldest, Driest |
| March | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 1.7 in | |
| May | 54°F (12°C) | 1.9 in | |
| June | 60°F (16°C) | 2.1 in | |
| July | 64°F (18°C) | 1.7 in | Warmest |
| August | 64°F (18°C) | 2.0 in | |
| September | 59°F (15°C) | 2.2 in | |
| October | 52°F (11°C) | 2.4 in | |
| November | 46°F (8°C) | 2.4 in | |
| December | 42°F (6°C) | 2.4 in |
Carshalton has a seasonal temperature swing of 23°F / from 41°F in February to 64°F in July. Total annual precipitation is 24.9 inches, with January being the wettest month (2.5") and February the driest (1.6").