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Weather & Climate in Chiswell Green, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chiswell Green experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 63°F in July. The area gets 223 sunny days per year, above the national average. Annual precipitation totals 33.6 inches. The area receives 2.7 inches of snow annually. The city sits at an elevation of 325 feet.
Temperature
41°F Jan (5°C)
63°F Jul (17°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 223 days/yr |
Geography
| Elevation | 325 ft (99 m) |
| Area | 62.1 sq mi (160.7 km²) |
| Population Density | 108/sq mi |
| Coordinates | 51.7285°N, 0.3595°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
33 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 | 119 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 110 km | 10 km |
| Oct 28, 2001 | 5 km E of Long Clawson, United Kingdom | M4.2 | 129 km | 12 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 105 km | 13 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 148 km | 10 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 114 km | 3 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 93 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 133 km | 12 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 127 km | 4 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 113 km | 2 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 77 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 112 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 58 km | 10 km |
| Sep 23, 2002 | 3 km ESE of Wombourn, United Kingdom | M3.2 | 150 km | 9 km |
| Feb 21, 2022 | 5 km N of Hockley, United Kingdom | M3.2 | 140 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 122 km | 5 km |
| Feb 15, 1994 | 4 km NNE of Banham, United Kingdom | M2.9 | 129 km | 10 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 80 km | 5 km |
| Jan 18, 2013 | 0 km NE of Hathern, United Kingdom | M2.9 | 134 km | 13 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 98 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.9 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 131 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.6 in | |
| February | 39°F (4°C) | 1.9 in | Coldest |
| March | 43°F (6°C) | 2.1 in | |
| April | 47°F (8°C) | 2.0 in | |
| May | 53°F (12°C) | 2.1 in | |
| June | 58°F (15°C) | 2.2 in | |
| July | 63°F (17°C) | 1.7 in | Warmest, Driest |
| August | 62°F (17°C) | 2.2 in | |
| September | 57°F (14°C) | 2.4 in | |
| October | 51°F (10°C) | 2.7 in | Wettest |
| November | 44°F (7°C) | 2.6 in | |
| December | 41°F (5°C) | 2.7 in |
Chiswell Green has a seasonal temperature swing of 24°F / from 39°F in February to 63°F in July. Total annual precipitation is 27.0 inches, with October being the wettest month (2.7") and July the driest (1.7").