Weather & Climate in Mahalon, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mahalon experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 45°F in January while summers reach 63°F in July / relatively mild seasonal variation. Annual precipitation totals 41.6 inches. The city sits at an elevation of 167 feet.
Temperature
45°F Jan (7°C)
63°F Jul (17°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 45°F (7°C) |
| July Average | 63°F (17°C) |
Geography
| Elevation | 167 ft (51 m) |
| Area | 8.3 sq mi (21.4 km²) |
| Population Density | 124/sq mi |
| Coordinates | 48.0347°N, 4.4360°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
135 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 | 126 km | 4 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 94 km | 10 km |
| Sep 30, 2002 | 1 km E of Languidic, France | M4.1 | 99 km | 4 km |
| Oct 11, 1995 | 1 km SSE of Querrien, France | M3.9 | 69 km | 10 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 82 km | 16 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 49 km | 6 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 107 km | 15 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 38 km | 10 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 68 km | 19 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 29 km | 15 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 29 km | 2 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 141 km | 10 km |
| Aug 24, 1996 | 59 km SSW of Guilvinec, France | M3.5 | 84 km | 10 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 60 km | 10 km |
| Mar 21, 2003 | 10 km SE of Groix, France | M3.4 | 95 km | 18 km |
| May 2, 1990 | 2 km SSE of Arzon, France | M3.4 | 128 km | 10 km |
| May 7, 2000 | 65 km S of Guilvinec, France | M3.4 | 93 km | 14 km |
| Feb 9, 2005 | 2 km N of Plouay, France | M3.4 | 82 km | 10 km |
| Sep 30, 2002 | 5 km SW of Baud, France | M3.3 | 103 km | 5 km |
| Sep 30, 2002 | 5 km WSW of Baud, France | M3.3 | 103 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 5.2 in | Coldest, Wettest |
| February | 45°F (7°C) | 4.1 in | |
| March | 47°F (8°C) | 3.5 in | |
| April | 50°F (10°C) | 2.6 in | |
| May | 55°F (13°C) | 2.7 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 63°F (17°C) | 1.7 in | Driest |
| August | 63°F (17°C) | 2.3 in | Warmest |
| September | 60°F (15°C) | 3.2 in | |
| October | 55°F (13°C) | 3.9 in | |
| November | 50°F (10°C) | 5.2 in | |
| December | 47°F (8°C) | 5.1 in |
Mahalon has a seasonal temperature swing of 18°F / from 45°F in January to 63°F in August. Total annual precipitation is 41.6 inches, with January being the wettest month (5.2") and July the driest (1.7").