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Weather & Climate in Rostrenen, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rostrenen 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 240 sunny days per year, above the national average. Annual precipitation totals 47.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 722 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 | 240 days/yr |
Geography
| Elevation | 722 ft (220 m) |
| Area | 12.4 sq mi (32.2 km²) |
| Population Density | 323/sq mi |
| Coordinates | 48.2362°N, 3.3172°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 | 105 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 71 km | 4 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 138 km | 22 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 46 km | 10 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 47 km | 4 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 36 km | 10 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 121 km | 12 km |
| Apr 7, 2005 | 18 km WNW of Noirmoutier-en-l'Île, France | M3.8 | 144 km | 0 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 112 km | 15 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 82 km | 10 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 72 km | 16 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 52 km | 6 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 108 km | 2 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 85 km | 10 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 136 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 96 km | 19 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 69 km | 2 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 53 km | 10 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 59 km | 10 km |
| Aug 24, 1996 | 59 km SSW of Guilvinec, France | M3.5 | 139 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 4.8 in | |
| February | 42°F (6°C) | 3.9 in | Coldest |
| March | 45°F (7°C) | 3.5 in | |
| April | 48°F (9°C) | 2.8 in | |
| May | 53°F (12°C) | 2.9 in | |
| June | 58°F (14°C) | 2.2 in | |
| July | 63°F (17°C) | 1.9 in | Warmest, Driest |
| August | 62°F (17°C) | 2.3 in | |
| September | 58°F (15°C) | 3.2 in | |
| October | 53°F (12°C) | 4.0 in | |
| November | 47°F (8°C) | 5.0 in | Wettest |
| December | 44°F (6°C) | 4.8 in |
Rostrenen has a seasonal temperature swing of 20°F / from 42°F in February to 63°F in July. Total annual precipitation is 41.2 inches, with November being the wettest month (5.0") and July the driest (1.9").