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Weather & Climate in Pernois, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pernois experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 42°F in January while summers reach 65°F in July. The area gets 228 sunny days per year, above the national average. Annual precipitation totals 40.0 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 157 feet.
Temperature
42°F Jan (6°C)
65°F Jul (18°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 157 ft (48 m) |
| Area | 4.0 sq mi (10.3 km²) |
| Population Density | 165/sq mi |
| Coordinates | 50.0529°N, 2.1871°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
37 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 137 km | 1 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 142 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 131 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 143 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 69 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 148 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 86 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 149 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 66 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 138 km | 4 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 132 km | 5 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 145 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 121 km | 4 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 86 km | 5 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 49 km | 7 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 76 km | 4 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 126 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 102 km | 10 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 43 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 131 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 | — | 116 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.3 in | |
| February | 38°F (4°C) | 1.9 in | Coldest, Driest |
| March | 43°F (6°C) | 2.1 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 54°F (12°C) | 2.3 in | |
| June | 58°F (15°C) | 2.6 in | |
| July | 65°F (18°C) | 2.2 in | Warmest |
| August | 63°F (17°C) | 2.2 in | |
| September | 58°F (14°C) | 2.7 in | |
| October | 51°F (11°C) | 2.7 in | |
| November | 44°F (6°C) | 2.8 in | Wettest |
| December | 40°F (4°C) | 2.8 in |
Pernois has a seasonal temperature swing of 26°F / from 38°F in February to 65°F in July. Total annual precipitation is 28.3 inches, with November being the wettest month (2.8") and February the driest (1.9").