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Weather & Climate in Isigny-sur-Mer, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isigny-sur-Mer experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 42°F in January while summers reach 63°F in July. The area gets 280 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 31.1 inches. The city sits at an elevation of 20 feet.
Temperature
42°F Jan (6°C)
63°F Jul (17°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 280 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 6.7 sq mi (17.4 km²) |
| Population Density | 466/sq mi |
| Coordinates | 49.3160°N, 1.1038°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
80 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 | 129 km | 1 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 71 km | 22 km |
| Nov 30, 1994 | 17 km N of Courseulles-sur-Mer, France | M4.1 | 51 km | 6 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 97 km | 12 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 93 km | 10 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 123 km | 10 km |
| Nov 2, 1997 | 7 km NW of Villers-sur-Mer, France | M3.7 | 75 km | 10 km |
| Jun 24, 1995 | 1 km SE of Andouillé, France | M3.7 | 130 km | 5 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 101 km | 2 km |
| Sep 23, 2003 | 41 km WNW of Étretat, France | M3.6 | 82 km | 10 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 143 km | 10 km |
| Sep 24, 2003 | 22 km WNW of Cauville-sur-Mer, France | M3.5 | 82 km | 17 km |
| Aug 8, 1998 | 1 km SE of Cairon, France | M3.5 | 50 km | 10 km |
| Jul 26, 1993 | 5 km ESE of Villedieu-les-Poêles, France | M3.5 | 57 km | 31 km |
| Aug 1, 2007 | 2 km SSE of Blonville-sur-Mer, France | M3.5 | 83 km | 5 km |
| Sep 17, 1994 | 33 km NE of Plouézec, France | M3.4 | 118 km | 10 km |
| Jun 22, 1997 | 13 km SSE of Saint Helier, Jersey | M3.4 | 71 km | 10 km |
| Dec 7, 1998 | 0 km SE of Cherrueix, France | M3.4 | 91 km | 2 km |
| Jul 23, 2014 | France | M3.3 | 97 km | 2 km |
| Aug 29, 2001 | 5 km ENE of Saint-Lô, France | M3.3 | 21 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 3.2 in | Coldest |
| February | 43°F (6°C) | 2.5 in | |
| March | 46°F (8°C) | 2.4 in | |
| April | 49°F (9°C) | 2.1 in | |
| May | 55°F (13°C) | 2.4 in | |
| June | 59°F (15°C) | 1.9 in | |
| July | 63°F (17°C) | 1.7 in | Driest |
| August | 63°F (17°C) | 1.8 in | Warmest |
| September | 60°F (15°C) | 2.7 in | |
| October | 54°F (12°C) | 3.3 in | |
| November | 48°F (9°C) | 3.6 in | Wettest |
| December | 44°F (7°C) | 3.5 in |
Isigny-sur-Mer has a seasonal temperature swing of 21°F / from 42°F in January to 63°F in August. Total annual precipitation is 31.1 inches, with November being the wettest month (3.6") and July the driest (1.7").