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Weather & Climate in Thornton Heath, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thornton Heath 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 174 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 | 174 ft (53 m) |
| Area | 43.8 sq mi (113.4 km²) |
| Population Density | 335/sq mi |
| Coordinates | 51.3988°N, 0.0987°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
29 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 | 85 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 127 km | 10 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 143 km | 13 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 133 km | 10 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 149 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 135 km | 2 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 126 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 107 km | 12 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 94 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 112 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 25 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 89 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 134 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 142 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 131 km | 5 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 48 km | 5 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 91 km | 3 km |
| Feb 15, 1994 | 4 km NNE of Banham, United Kingdom | M2.9 | 145 km | 10 km |
| Mar 18, 2001 | 8 km W of Marlborough, United Kingdom | M2.9 | 121 km | 10 km |
| Apr 1, 2018 | 4 km E of Holmwood, United Kingdom | M2.7 | 27 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 | — | 126 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.7 in | Wettest |
| February | 40°F (5°C) | 1.7 in | Coldest, Driest |
| March | 44°F (7°C) | 2.0 in | |
| April | 48°F (9°C) | 1.8 in | |
| May | 54°F (12°C) | 1.9 in | |
| June | 60°F (15°C) | 2.2 in | |
| July | 64°F (18°C) | 1.7 in | Warmest |
| August | 63°F (17°C) | 2.0 in | |
| September | 58°F (15°C) | 2.3 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 45°F (7°C) | 2.6 in | |
| December | 42°F (6°C) | 2.6 in |
Thornton Heath has a seasonal temperature swing of 23°F / from 40°F in February to 64°F in July. Total annual precipitation is 26.0 inches, with January being the wettest month (2.7") and February the driest (1.7").