Weather & Climate in Swanmore, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Swanmore experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 40°F in January while summers reach 61°F in July. Annual precipitation totals 44.5 inches. The area receives 5.7 inches of snow annually. The city sits at an elevation of 197 feet.
Temperature
40°F Jan (5°C)
61°F Jul (16°C)
| Annual Average | 51.7°F |
| 4% below US avg | |
| January Average | 40°F (5°C) |
| July Average | 61°F (16°C) |
Geography
| Elevation | 197 ft (60 m) |
| Area | 282.6 sq mi (732.0 km²) |
| Population Density | 12/sq mi |
| Coordinates | 50.9440°N, 1.1802°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 142 km | 1 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 97 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 127 km | 7 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 124 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 127 km | 7 km |
| Sep 23, 2003 | 41 km WNW of Étretat, France | M3.6 | 136 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 149 km | 14 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 127 km | 7 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 28 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 69 km | 10 km |
| Nov 26, 1991 | 50 km N of Urville-Nacqueville, France | M3.0 | 98 km | 10 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 63 km | 10 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 130 km | 4 km |
| Jun 17, 1999 | 7 km NNE of Ross on Wye, United Kingdom | M3.0 | 147 km | 10 km |
| Mar 18, 2001 | 8 km W of Marlborough, United Kingdom | M2.9 | 71 km | 10 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 17 km | 3 km |
| Mar 23, 1998 | 11 km W of Chickerell, United Kingdom | M2.9 | 111 km | 5 km |
| Feb 11, 1998 | 4 km SE of Newport, United Kingdom | M2.9 | 141 km | 10 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 56 km | 5 km |
| Dec 31, 1992 | 38 km WNW of Étretat, France | M2.8 | 140 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.4 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2011 | PLYMOUTH, ENGLAND | Avalanche | 0.4 m | - | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 3.5 in | Coldest |
| February | 41°F (5°C) | 2.3 in | |
| March | 44°F (7°C) | 2.5 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 54°F (12°C) | 1.8 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 61°F (16°C) | 1.6 in | Driest |
| August | 63°F (17°C) | 2.1 in | Warmest |
| September | 58°F (14°C) | 2.7 in | |
| October | 52°F (11°C) | 3.2 in | |
| November | 46°F (8°C) | 3.5 in | Wettest |
| December | 43°F (6°C) | 3.5 in |
Swanmore has a seasonal temperature swing of 22°F / from 40°F in January to 63°F in August. Total annual precipitation is 30.8 inches, with November being the wettest month (3.5") and July the driest (1.6").