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Weather & Climate in Hénon, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hénon experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 45°F in January while summers reach 64°F in July / relatively mild seasonal variation. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 34.8 inches. The area receives 1.9 inches of snow annually. The city sits at an elevation of 509 feet.
Temperature
45°F Jan (7°C)
64°F Jul (18°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 509 ft (155 m) |
| Area | 15.8 sq mi (40.9 km²) |
| Population Density | 114/sq mi |
| Coordinates | 48.3854°N, 2.6830°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
226 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 | 102 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 78 km | 4 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 73 km | 10 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 97 km | 22 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 70 km | 4 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 87 km | 12 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 79 km | 10 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 33 km | 10 km |
| Apr 7, 2005 | 18 km WNW of Noirmoutier-en-l'Île, France | M3.8 | 148 km | 0 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 99 km | 6 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 107 km | 16 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 144 km | 15 km |
| Jun 24, 1995 | 1 km SE of Andouillé, France | M3.7 | 144 km | 5 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 71 km | 2 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 130 km | 10 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 100 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 139 km | 19 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 117 km | 2 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 97 km | 10 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 25 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 4.2 in | |
| February | 43°F (6°C) | 3.4 in | Coldest |
| March | 46°F (8°C) | 3.1 in | |
| April | 48°F (9°C) | 2.6 in | |
| May | 54°F (12°C) | 2.6 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 64°F (18°C) | 1.9 in | Warmest, Driest |
| August | 63°F (17°C) | 2.1 in | |
| September | 59°F (15°C) | 2.9 in | |
| October | 54°F (12°C) | 3.7 in | |
| November | 48°F (9°C) | 4.5 in | Wettest |
| December | 44°F (6°C) | 4.3 in |
Hénon has a seasonal temperature swing of 21°F / from 43°F in February to 64°F in July. Total annual precipitation is 37.3 inches, with November being the wettest month (4.5") and July the driest (1.9").