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Weather & Climate in Lanvallay, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lanvallay experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 44°F in January while summers reach 64°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 37.7 inches. The area receives 2.7 inches of snow annually. The city sits at an elevation of 243 feet.
Temperature
44°F Jan (7°C)
64°F Jul (18°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 243 ft (74 m) |
| Area | 5.6 sq mi (14.6 km²) |
| Population Density | 580/sq mi |
| Coordinates | 48.4558°N, 2.0282°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
210 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 | 114 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 104 km | 4 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 112 km | 10 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 77 km | 22 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 108 km | 4 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 82 km | 12 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 125 km | 10 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 146 km | 6 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 23 km | 10 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 146 km | 16 km |
| Jun 24, 1995 | 1 km SE of Andouillé, France | M3.7 | 99 km | 5 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 66 km | 2 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 72 km | 2 km |
| Jul 26, 1993 | 5 km ESE of Villedieu-les-Poêles, France | M3.5 | 75 km | 31 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 142 km | 10 km |
| Aug 8, 1998 | 1 km SE of Cairon, France | M3.5 | 145 km | 10 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 55 km | 10 km |
| Jun 22, 1997 | 13 km SSE of Saint Helier, Jersey | M3.4 | 70 km | 10 km |
| May 2, 1990 | 2 km SSE of Arzon, France | M3.4 | 121 km | 10 km |
| Dec 7, 1998 | 0 km SE of Cherrueix, France | M3.4 | 29 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) | 3.3 in | |
| February | 43°F (6°C) | 2.6 in | Coldest |
| March | 47°F (8°C) | 2.5 in | |
| April | 49°F (10°C) | 2.2 in | |
| May | 56°F (13°C) | 2.5 in | |
| June | 60°F (16°C) | 1.9 in | |
| July | 64°F (18°C) | 1.8 in | Driest |
| August | 65°F (18°C) | 1.8 in | Warmest |
| September | 61°F (16°C) | 2.5 in | |
| October | 55°F (13°C) | 3.2 in | |
| November | 48°F (9°C) | 3.7 in | Wettest |
| December | 44°F (7°C) | 3.4 in |
Lanvallay has a seasonal temperature swing of 21°F / from 43°F in February to 65°F in August. Total annual precipitation is 31.5 inches, with November being the wettest month (3.7") and July the driest (1.8").