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Weather & Climate in Berthen, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Berthen experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 43°F in January while summers reach 65°F in July. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 39.9 inches. The area receives 5.7 inches of snow annually. The city sits at an elevation of 180 feet.
Temperature
43°F Jan (6°C)
65°F Jul (18°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 225 days/yr |
Geography
| Elevation | 180 ft (55 m) |
| Area | 7.1 sq mi (18.4 km²) |
| Population Density | 75/sq mi |
| Coordinates | 50.7831°N, 2.6951°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
45 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 123 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 91 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 122 km | 18 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 104 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 64 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 113 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 132 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 110 km | 2 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 134 km | 4 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 105 km | 12 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 113 km | 4 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 63 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 107 km | 5 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 108 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 87 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 121 km | 7 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 40 km | 5 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 132 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 65 km | 10 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 39 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1858 | NORTH SEA | Unknown | 6.0 m | — | 81 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.3 in | |
| February | 39°F (4°C) | 1.7 in | Coldest, Driest |
| March | 43°F (6°C) | 2.2 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 54°F (12°C) | 2.2 in | |
| June | 59°F (15°C) | 2.5 in | |
| July | 65°F (18°C) | 2.4 in | Warmest |
| August | 63°F (17°C) | 2.1 in | |
| September | 58°F (15°C) | 2.7 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 44°F (7°C) | 3.0 in | Wettest |
| December | 40°F (5°C) | 2.6 in |
Berthen has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 28.3 inches, with November being the wettest month (3.0") and February the driest (1.7").