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Weather & Climate in Saint-Julien, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Julien 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. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 35.0 inches. The area receives 1.8 inches of snow annually. The city sits at an elevation of 528 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) |
| Sunny Days | 227 days/yr |
Geography
| Elevation | 528 ft (161 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 862/sq mi |
| Coordinates | 48.4522°N, 2.8146°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
205 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 | 111 km | 10 km |
| Nov 21, 2013 | 1 km WSW of Plescop, France | M4.5 | 84 km | 4 km |
| Sep 30, 2002 | 3 km W of Languidic, France | M4.2 | 75 km | 10 km |
| Apr 30, 1990 | 5 km SE of Saint Helier, Jersey | M4.2 | 96 km | 22 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 | 77 km | 10 km |
| Mar 28, 2002 | 36 km WSW of Le Palais, France | M3.8 | 147 km | 15 km |
| Jul 18, 2004 | 6 km WSW of Groix, France | M3.8 | 108 km | 16 km |
| Jul 11, 2002 | 3 km NW of Pluduno, France | M3.8 | 39 km | 10 km |
| Apr 23, 2002 | 1 km ESE of Melgven, France | M3.8 | 96 km | 6 km |
| Feb 25, 2015 | 30 km SW of Saint Helier, Jersey | M3.7 | 68 km | 2 km |
| Feb 19, 2020 | 3 km ESE of Brest, France | M3.7 | 121 km | 10 km |
| Sep 28, 2017 | 1 km WNW of Tresbœuf, France | M3.6 | 112 km | 2 km |
| Aug 22, 1998 | 38 km SSE of Plobannalec-Lesconil, France | M3.6 | 138 km | 19 km |
| Dec 11, 2013 | 6 km WSW of Le Faou, France | M3.5 | 108 km | 2 km |
| Jul 26, 1993 | 5 km ESE of Villedieu-les-Poêles, France | M3.5 | 128 km | 31 km |
| Apr 22, 1995 | 6 km E of Binic, France | M3.5 | 18 km | 10 km |
| May 14, 1994 | 0 km SE of Riec-sur-Belon, France | M3.5 | 95 km | 10 km |
| May 3, 1999 | 1 km SE of Gouesnach, France | M3.5 | 113 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) | 4.2 in | |
| February | 43°F (6°C) | 3.4 in | Coldest |
| March | 46°F (8°C) | 3.1 in | |
| April | 48°F (9°C) | 2.6 in | |
| May | 54°F (12°C) | 2.6 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 62°F (17°C) | 1.9 in | Driest |
| August | 63°F (17°C) | 2.1 in | Warmest |
| September | 59°F (15°C) | 2.9 in | |
| October | 54°F (12°C) | 3.7 in | |
| November | 48°F (9°C) | 4.5 in | Wettest |
| December | 44°F (6°C) | 4.3 in |
Saint-Julien has a seasonal temperature swing of 20°F / from 43°F in February to 63°F in August. Total annual precipitation is 37.3 inches, with November being the wettest month (4.5") and July the driest (1.9").