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Isleworth, United Kingdom

Full City Profile

2.7 /5.0
C+ Fair
20,500 Population 6,386/sq mi density
69 ft Elevation 21 meters
53°F Avg Temperature 12°C
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$51,905 median income, 7.8% unemployment
F
Affordability
1.0 / 5.0
$667,780 home value, $1,298/mo rent
A
Education
4.3 / 5.0
41.6% bachelor's degree or higher
Isleworth 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. Annual precipitation totals 33.6 inches. The area receives 2.7 inches of snow annually.

Temperature

41°F Jan (5°C) 63°F Jul (17°C)
Annual Average53.0°F
2% below US avg
January Average41°F (5°C)
July Average63°F (17°C)
Sunny Days223 days/yr

Geography

Elevation69 ft (21 m)
Area3.2 sq mi (8.3 km²)
Population Density6,386/sq mi
Coordinates51.4752°N, 0.3425°W
TimezoneEurope/London

Precipitation & Snow

Annual Rainfall 33.6"
12% below US avg
Snowfall 2.7"
Wettest Month (Oct) 2.44"
Driest Month (Feb) 1.50"

Air Quality

Earthquake History

28 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M3.0 on May 19, 2019.

Apr 28, 2007 1 km WNW of Lympne, United Kingdom M4.6 104 km
Feb 15, 1994 7 km ESE of Thetford, United Kingdom M4.4 129 km
Sep 23, 2000 1 km WSW of Warwick, United Kingdom M4.0 125 km
Sep 15, 1994 38 km NE of Broadstairs, United Kingdom M3.9 148 km
Jan 28, 2015 2 km WSW of Market Overton, United Kingdom M3.8 142 km
May 12, 1994 4 km S of Shipston on Stour, United Kingdom M3.7 107 km
May 22, 2015 3 km SSE of Ramsgate, United Kingdom M3.7 125 km
Mar 3, 2009 1 km ENE of Hawkinge, United Kingdom M3.5 113 km
Apr 18, 2014 3 km WSW of Market Overton, United Kingdom M3.5 141 km
Feb 17, 1992 1 km W of Warboys, United Kingdom M3.4 105 km
Sep 9, 1995 0 km WNW of East Wittering, United Kingdom M3.3 87 km
Feb 27, 2019 3 km SE of Dorking, United Kingdom M3.3 30 km
May 19, 2019 7 km ESE of Swanage, United Kingdom M3.0 146 km
Nov 5, 1994 5 km N of Debenham, United Kingdom M3.0 137 km
Mar 18, 2001 8 km W of Marlborough, United Kingdom M2.9 104 km
Feb 15, 1994 4 km NNE of Banham, United Kingdom M2.9 148 km
Jul 16, 2005 3 km WSW of Southwater, United Kingdom M2.9 52 km
Jan 27, 2015 1 km ENE of Winchester, United Kingdom M2.9 80 km
Sep 22, 2015 2 km W of Cottesmore, United Kingdom M2.8 140 km
Apr 1, 2018 4 km E of Holmwood, United Kingdom M2.7 34 km
Source: USGS (M2.5+, 1990–2025)

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 — 145 km
1911 FOLKSTONE, ENGLAND Meteorological 0.9 m — 118 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.3 in
February 41°F (5°C) 1.5 in Coldest, Driest
March 45°F (7°C) 1.8 in
April 48°F (9°C) 1.7 in
May 55°F (13°C) 1.9 in
June 60°F (16°C) 2.0 in
July 63°F (17°C) 1.6 in
August 64°F (18°C) 1.9 in Warmest
September 59°F (15°C) 2.2 in
October 52°F (11°C) 2.4 in Wettest
November 46°F (8°C) 2.3 in
December 43°F (6°C) 2.3 in

Isleworth has a seasonal temperature swing of 23°F / from 41°F in February to 64°F in August. Total annual precipitation is 23.9 inches, with October being the wettest month (2.4") and February the driest (1.5").

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