Weather & Climate in Saint-Donan, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Donan experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 43°F in January while summers reach 62°F in July / relatively mild seasonal variation. Annual precipitation totals 35.0 inches. The area receives 1.8 inches of snow annually. The city sits at an elevation of 591 feet.
Temperature
43°F Jan (6°C)
62°F Jul (17°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 62°F (17°C) |
Geography
| Elevation | 591 ft (180 m) |
| Area | 3.2 sq mi (8.3 km²) |
| Population Density | 444/sq mi |
| Coordinates | 48.4703°N, 2.8854°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
200 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 | 115 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 87 km | 4 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 97 km | 22 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 75 km | 10 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 73 km | 4 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 83 km | 12 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 75 km | 10 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 107 km | 16 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 93 km | 6 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 146 km | 15 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 43 km | 10 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 116 km | 10 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 69 km | 2 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 118 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 136 km | 19 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 103 km | 2 km |
| Jul 26, 1993 | 5 km ESE of Villedieu-les-Poêles, France | M3.5 | 133 km | 31 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 19 km | 10 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 93 km | 10 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 110 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.5 in | |
| February | 42°F (6°C) | 3.7 in | Coldest |
| March | 45°F (7°C) | 3.4 in | |
| April | 48°F (9°C) | 2.7 in | |
| May | 53°F (12°C) | 2.8 in | |
| June | 58°F (14°C) | 2.2 in | |
| July | 62°F (17°C) | 1.9 in | Warmest, Driest |
| August | 62°F (17°C) | 2.2 in | |
| September | 58°F (15°C) | 3.1 in | |
| October | 54°F (12°C) | 3.9 in | |
| November | 47°F (9°C) | 4.7 in | Wettest |
| December | 43°F (6°C) | 4.6 in |
Saint-Donan has a seasonal temperature swing of 20°F / from 42°F in February to 62°F in July. Total annual precipitation is 39.6 inches, with November being the wettest month (4.7") and July the driest (1.9").