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Welwyn, United Kingdom

Full City Profile

2.8 /5.0
C+ Fair
3,254 Population 824/sq mi density
269 ft Elevation 82 meters
52°F Avg Temperature 11°C
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$57,334 median income, 6.1% unemployment
F
Affordability
1.1 / 5.0
$564,678 home value, $1,433/mo rent
B+
Education
4.0 / 5.0
37.3% bachelor's degree or higher
Welwyn experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 40°F in January while summers reach 62°F in July. The area gets 225 sunny days per year. Annual precipitation totals 30.7 inches. The area receives 4.5 inches of snow annually.

Temperature

40°F Jan (5°C) 62°F Jul (17°C)
Annual Average51.8°F
4% below US avg
January Average40°F (5°C)
July Average62°F (17°C)
Sunny Days225 days/yr

Geography

Elevation269 ft (82 m)
Area4.0 sq mi (10.2 km²)
Population Density824/sq mi
Coordinates51.8331°N, 0.2136°W
TimezoneEurope/London

Precipitation & Snow

Annual Rainfall 30.7"
19% below US avg
Snowfall 4.5"
Wettest Month (Oct) 2.64"
Driest Month (Jul) 1.69"

Air Quality

Earthquake History

34 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M3.2 on Feb 21, 2022.

Apr 28, 2007 1 km WNW of Lympne, United Kingdom M4.6 119 km
Feb 15, 1994 7 km ESE of Thetford, United Kingdom M4.4 94 km
Oct 28, 2001 5 km E of Long Clawson, United Kingdom M4.2 121 km
Sep 23, 2000 1 km WSW of Warwick, United Kingdom M4.0 108 km
Sep 15, 1994 38 km NE of Broadstairs, United Kingdom M3.9 140 km
Jan 28, 2015 2 km WSW of Market Overton, United Kingdom M3.8 105 km
May 22, 2015 3 km SSE of Ramsgate, United Kingdom M3.7 128 km
May 12, 1994 4 km S of Shipston on Stour, United Kingdom M3.7 99 km
Mar 3, 2009 1 km ENE of Hawkinge, United Kingdom M3.5 125 km
Apr 18, 2014 3 km WSW of Market Overton, United Kingdom M3.5 105 km
Feb 17, 1992 1 km W of Warboys, United Kingdom M3.4 64 km
Jan 21, 1999 4 km ENE of Old Leake, United Kingdom M3.3 137 km
Sep 9, 1995 0 km WNW of East Wittering, United Kingdom M3.3 127 km
Feb 27, 2019 3 km SE of Dorking, United Kingdom M3.3 69 km
Feb 21, 2022 5 km N of Hockley, United Kingdom M3.2 141 km
Nov 5, 1994 5 km N of Debenham, United Kingdom M3.0 108 km
Mar 18, 2001 8 km W of Marlborough, United Kingdom M2.9 121 km
Jul 16, 2005 3 km WSW of Southwater, United Kingdom M2.9 93 km
Jan 18, 2013 0 km NE of Hathern, United Kingdom M2.9 129 km
Jan 27, 2015 1 km ENE of Winchester, United Kingdom M2.9 113 km
Source: USGS (M2.5+, 1990–2025)

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 — 130 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (5°C) 2.6 in
February 39°F (4°C) 1.7 in Coldest
March 43°F (6°C) 2.0 in
April 46°F (8°C) 1.9 in
May 53°F (11°C) 1.9 in
June 58°F (14°C) 2.2 in
July 62°F (17°C) 1.7 in Warmest, Driest
August 62°F (17°C) 2.1 in
September 57°F (14°C) 2.3 in
October 51°F (10°C) 2.6 in Wettest
November 44°F (7°C) 2.5 in
December 41°F (5°C) 2.5 in

Welwyn has a seasonal temperature swing of 23°F / from 39°F in February to 62°F in July. Total annual precipitation is 26.0 inches, with October being the wettest month (2.6") and July the driest (1.7").

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