Saint Peter Port, Guernsey

Full City Profile

16,488 Population 6,569/sq mi density

33 ft Elevation 10 meters

52°F Avg Temperature 11°C

Saint Peter Port experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 44°F in January while summers reach 62°F in July. The area gets 274 sunny days per year. Annual precipitation totals 34.1 inches. The area receives 0.0 inches of snow annually.

Temperature

44°F Jan (7°C) 62°F Jul (16°C)

Annual Average	52.2°F
	3% below US avg
January Average	44°F (7°C)
July Average	62°F (16°C)
Sunny Days	274 days/yr

Geography

Elevation	33 ft (10 m)
Area	2.5 sq mi (6.5 km²)
Population Density	6,569/sq mi
Coordinates	49.4598°N, 2.5353°W
Timezone	Europe/Guernsey

Precipitation & Snow

Annual Rainfall 34.1"

10% below US avg

Snowfall 0.0"

Wettest Month (Nov) 4.25"

Driest Month (Jul) 1.57"

Air Quality

Earthquake History

77 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M0.0 on May 19, 2019.

Apr 30, 1990	5 km SE of Saint Helier, Jersey	M4.2	49 km
Jul 14, 2011	62 km SSE of Ventnor, United Kingdom	M3.9	148 km
Jul 11, 2014	23 km W of Saint Helier, Jersey	M3.9	35 km
Jul 11, 2002	3 km NW of Pluduno, France	M3.8	103 km
Feb 25, 2015	30 km SW of Saint Helier, Jersey	M3.7	52 km
Aug 17, 1995	28 km S of Salcombe, United Kingdom	M3.6	108 km
Jul 26, 1993	5 km ESE of Villedieu-les-Poêles, France	M3.5	124 km
Apr 22, 1995	6 km E of Binic, France	M3.5	96 km
Dec 7, 1998	0 km SE of Cherrueix, France	M3.4	113 km
Sep 17, 1994	33 km NE of Plouézec, France	M3.4	60 km
Jun 22, 1997	13 km SSE of Saint Helier, Jersey	M3.4	57 km
Aug 29, 2001	5 km ENE of Saint-Lô, France	M3.3	116 km
Jul 23, 2014	France	M3.3	55 km
Sep 22, 1991	5 km ENE of Neulliac, France	M3.3	149 km
Oct 16, 1997	4 km ENE of Torquay, United Kingdom	M3.2	132 km
Jul 14, 1998	7 km NNE of Poullaouen, France	M3.2	141 km
Feb 12, 1990	1 km N of Lanmeur, France	M3.2	124 km
May 30, 2001	3 km SW of Quintin, France	M3.2	123 km
Apr 17, 1992	3 km SSE of Plounévez-Quintin, France	M3.1	142 km
Apr 28, 1998	3 km NE of Plouha, France	M3.1	89 km

Source: USGS (M2.5+, 1990–2025)

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	—	120 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	44°F (7°C)	4.1 in
February	43°F (6°C)	3.2 in	Coldest
March	46°F (8°C)	2.9 in
April	48°F (9°C)	2.1 in
May	53°F (12°C)	2.0 in
June	58°F (14°C)	1.9 in
July	62°F (16°C)	1.6 in	Driest
August	62°F (17°C)	1.9 in	Warmest
September	60°F (15°C)	2.7 in
October	55°F (13°C)	3.6 in
November	50°F (10°C)	4.3 in	Wettest
December	46°F (8°C)	4.1 in

Saint Peter Port has a seasonal temperature swing of 19°F / from 43°F in February to 62°F in August. Total annual precipitation is 34.1 inches, with November being the wettest month (4.3") and July the driest (1.6").

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