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Weather & Climate in Saint-Gonnery, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Gonnery 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 413 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 | 413 ft (126 m) |
| Area | 7.0 sq mi (18.1 km²) |
| Population Density | 145/sq mi |
| Coordinates | 48.1240°N, 2.8200°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
239 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 | 76 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 48 km | 4 km |
| Jun 22, 2005 | 2 km E of La Guérinière, France | M4.3 | 136 km | 10 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 43 km | 10 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 128 km | 22 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 40 km | 4 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 118 km | 12 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 56 km | 10 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 114 km | 15 km |
| Apr 7, 2005 | 18 km WNW of Noirmoutier-en-l'Île, France | M3.8 | 121 km | 0 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 78 km | 6 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 78 km | 16 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 61 km | 10 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 124 km | 10 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 102 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 112 km | 19 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 97 km | 2 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 107 km | 2 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 54 km | 10 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 98 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 4.1 in | Coldest |
| February | 44°F (7°C) | 3.2 in | |
| March | 47°F (8°C) | 2.9 in | |
| April | 49°F (10°C) | 2.4 in | |
| May | 55°F (13°C) | 2.6 in | |
| June | 59°F (15°C) | 2.0 in | |
| July | 63°F (17°C) | 1.8 in | Driest |
| August | 64°F (18°C) | 2.0 in | Warmest |
| September | 60°F (16°C) | 2.8 in | |
| October | 55°F (13°C) | 3.6 in | |
| November | 49°F (9°C) | 4.3 in | Wettest |
| December | 45°F (7°C) | 4.1 in |
Saint-Gonnery has a seasonal temperature swing of 20°F / from 44°F in January to 64°F in August. Total annual precipitation is 35.9 inches, with November being the wettest month (4.3") and July the driest (1.8").