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Weather & Climate in Herblay-sur-Seine, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Herblay-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 223 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 | 223 ft (68 m) |
| Area | 4.9 sq mi (12.7 km²) |
| Population Density | 5,112/sq mi |
| Coordinates | 48.9899°N, 2.1699°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 132 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 85 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 127 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 81 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 101 km | 10 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 130 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 116 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 128 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 85 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 | Coldest |
| February | 41°F (5°C) | 1.8 in | |
| March | 46°F (8°C) | 1.9 in | |
| April | 51°F (10°C) | 2.1 in | |
| May | 58°F (14°C) | 2.4 in | Wettest |
| June | 63°F (17°C) | 2.1 in | |
| July | 66°F (19°C) | 2.3 in | |
| August | 67°F (20°C) | 1.7 in | Warmest, Driest |
| September | 61°F (16°C) | 2.1 in | |
| October | 54°F (12°C) | 2.2 in | |
| November | 46°F (8°C) | 2.0 in | |
| December | 42°F (5°C) | 2.3 in |
Herblay-sur-Seine has a seasonal temperature swing of 26°F / from 41°F in January to 67°F in August. Total annual precipitation is 24.9 inches, with May being the wettest month (2.4") and August the driest (1.7").