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Weather & Climate in Triel-sur-Seine, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Triel-sur-Seine experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 35.2 inches. The area receives 1.6 inches of snow annually. The city sits at an elevation of 167 feet.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 167 ft (51 m) |
| Area | 5.2 sq mi (13.6 km²) |
| Population Density | 2,400/sq mi |
| Coordinates | 48.9782°N, 2.0074°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Aug 1, 2007 | 2 km SSE of Blonville-sur-Mer, France | M3.5 | 148 km | 5 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 131 km | 4 km |
| Aug 29, 1992 | 2 km ESE of Radon, France | M3.2 | 147 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 91 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 116 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 80 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 91 km | 10 km |
| Aug 11, 2002 | 3 km SSW of Rogerville, France | M2.6 | 140 km | 4 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 125 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 106 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 124 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 79 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 115 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.1 in | |
| February | 40°F (5°C) | 1.8 in | Coldest |
| March | 45°F (7°C) | 1.9 in | |
| April | 50°F (10°C) | 2.0 in | |
| May | 57°F (14°C) | 2.4 in | Wettest |
| June | 62°F (17°C) | 2.1 in | |
| July | 66°F (19°C) | 2.2 in | |
| August | 66°F (19°C) | 1.7 in | Warmest, Driest |
| September | 60°F (16°C) | 2.1 in | |
| October | 53°F (12°C) | 2.3 in | |
| November | 45°F (7°C) | 2.1 in | |
| December | 41°F (5°C) | 2.3 in |
Triel-sur-Seine has a seasonal temperature swing of 26°F / from 40°F in February to 66°F in August. Total annual precipitation is 24.7 inches, with May being the wettest month (2.4") and August the driest (1.7").