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Weather & Climate in Cayeux-sur-Mer, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cayeux-sur-Mer experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 42°F in January while summers reach 64°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 42.2 inches. The area receives 2.6 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
42°F Jan (6°C)
64°F Jul (18°C)
| Annual Average | 53.2°F |
| 1% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 10.2 sq mi (26.3 km²) |
| Population Density | 278/sq mi |
| Coordinates | 50.1820°N, 1.4940°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
40 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 | 106 km | 10 km |
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 88 km | 1 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 55 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 41 km | 2 km |
| Nov 2, 1997 | 7 km NW of Villers-sur-Mer, France | M3.7 | 144 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 125 km | 12 km |
| Sep 23, 2003 | 41 km WNW of Étretat, France | M3.6 | 136 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 106 km | 4 km |
| Sep 24, 2003 | 22 km WNW of Cauville-sur-Mer, France | M3.5 | 129 km | 17 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 53 km | 10 km |
| Aug 1, 2007 | 2 km SSE of Blonville-sur-Mer, France | M3.5 | 142 km | 5 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 100 km | 5 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 96 km | 7 km |
| Oct 19, 2002 | 9 km NW of Trouville-sur-Mer, France | M3.2 | 136 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 42 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 87 km | 10 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 112 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 63 km | 10 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 136 km | 5 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 24 km | 5 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 | — | 95 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 104 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.4 in | |
| February | 41°F (5°C) | 1.9 in | Coldest |
| March | 45°F (7°C) | 1.8 in | |
| April | 48°F (9°C) | 1.7 in | Driest |
| May | 55°F (13°C) | 1.8 in | |
| June | 60°F (15°C) | 2.0 in | |
| July | 64°F (18°C) | 1.7 in | |
| August | 64°F (18°C) | 1.9 in | Warmest |
| September | 60°F (15°C) | 2.5 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 46°F (8°C) | 3.2 in | Wettest |
| December | 42°F (6°C) | 2.8 in |
Cayeux-sur-Mer has a seasonal temperature swing of 23°F / from 41°F in February to 64°F in August. Total annual precipitation is 26.5 inches, with November being the wettest month (3.2") and April the driest (1.7").