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Weather & Climate in Le Sourn, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Le Sourn experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 44°F in January while summers reach 63°F in July / relatively mild seasonal variation. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 39.4 inches. The city sits at an elevation of 338 feet.
Temperature
44°F Jan (7°C)
63°F Jul (17°C)
| Annual Average | 54.7°F |
| 1% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 338 ft (103 m) |
| Area | 9.6 sq mi (24.8 km²) |
| Population Density | 209/sq mi |
| Coordinates | 48.0427°N, 2.9891°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
240 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Mar 13, 1993 | 1 km WSW of Pénestin, France | M4.6 | 73 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 41 km | 4 km |
| Jun 22, 2005 | 2 km E of La Guérinière, France | M4.3 | 133 km | 10 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 29 km | 10 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 141 km | 22 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 26 km | 4 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 130 km | 12 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 41 km | 10 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 63 km | 6 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 63 km | 16 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 76 km | 10 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 100 km | 15 km |
| Apr 7, 2005 | 18 km WNW of Noirmoutier-en-l'Île, France | M3.8 | 115 km | 0 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 114 km | 10 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 115 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 97 km | 19 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 108 km | 2 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 84 km | 15 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 58 km | 10 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 97 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 4.2 in | |
| February | 44°F (6°C) | 3.4 in | Coldest |
| March | 47°F (8°C) | 3.0 in | |
| April | 49°F (10°C) | 2.5 in | |
| May | 55°F (13°C) | 2.7 in | |
| June | 59°F (15°C) | 2.0 in | |
| July | 63°F (17°C) | 1.8 in | Driest |
| August | 64°F (18°C) | 2.1 in | Warmest |
| September | 60°F (16°C) | 2.8 in | |
| October | 55°F (13°C) | 3.7 in | |
| November | 49°F (9°C) | 4.5 in | Wettest |
| December | 45°F (7°C) | 4.3 in |
Le Sourn has a seasonal temperature swing of 20°F / from 44°F in February to 64°F in August. Total annual precipitation is 36.9 inches, with November being the wettest month (4.5") and July the driest (1.8").