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Weather & Climate in Roscoff, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roscoff experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 43°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 52.3 inches (wetter than the 38-inch national average). The area receives 2.8 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
43°F Jan (6°C)
61°F Jul (16°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 2.4 sq mi (6.2 km²) |
| Population Density | 1,578/sq mi |
| Coordinates | 48.7238°N, 3.9871°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
126 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 143 km | 4 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 149 km | 22 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 115 km | 10 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 117 km | 4 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 93 km | 10 km |
| Jul 11, 2014 | 23 km W of Saint Helier, Jersey | M3.9 | 124 km | 12 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 125 km | 10 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 129 km | 16 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 92 km | 6 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 120 km | 2 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 51 km | 10 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 136 km | 19 km |
| Aug 17, 1995 | 28 km S of Salcombe, United Kingdom | M3.6 | 141 km | 10 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 93 km | 10 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 54 km | 2 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 92 km | 15 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 102 km | 10 km |
| Sep 17, 1994 | 33 km NE of Plouézec, France | M3.4 | 103 km | 10 km |
| Jun 22, 1997 | 13 km SSE of Saint Helier, Jersey | M3.4 | 149 km | 10 km |
| Feb 9, 2005 | 2 km N of Plouay, France | M3.4 | 100 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.8 in | Coldest |
| February | 45°F (7°C) | 3.9 in | |
| March | 47°F (8°C) | 3.3 in | |
| April | 49°F (9°C) | 2.6 in | |
| May | 54°F (12°C) | 2.4 in | |
| June | 58°F (15°C) | 2.0 in | |
| July | 61°F (16°C) | 1.7 in | Driest |
| August | 63°F (17°C) | 2.1 in | Warmest |
| September | 59°F (15°C) | 3.0 in | |
| October | 55°F (13°C) | 3.9 in | |
| November | 49°F (10°C) | 4.5 in | |
| December | 46°F (8°C) | 4.9 in | Wettest |
Roscoff has a seasonal temperature swing of 19°F / from 43°F in January to 63°F in August. Total annual precipitation is 39.0 inches, with December being the wettest month (4.9") and July the driest (1.7").