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Weather & Climate in Griffioen, The Netherlands
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Griffioen 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 228 sunny days per year, above the national average. Annual precipitation totals 46.2 inches (wetter than the 38-inch national average). The area receives 5.0 inches of snow annually. The city sits at an elevation of 10 feet.
Temperature
43°F Jan (6°C)
65°F Jul (18°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 20.5 sq mi (53.0 km²) |
| Population Density | 147/sq mi |
| Coordinates | 51.5055°N, 3.5960°W |
| Timezone | Europe/Amsterdam |
Precipitation & Snow
Air Quality
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 116 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 150 km | 18 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 102 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 126 km | 10 km |
| Sep 9, 2001 | 7 km W of Egmond aan Zee, Netherlands | M3.8 | 138 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 119 km | 4 km |
| Sep 11, 1999 | 1 km WNW of Erp, Netherlands | M3.7 | 138 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 138 km | 5 km |
| Sep 21, 1994 | 13 km NW of Wijk aan Zee, Netherlands | M3.4 | 132 km | 5 km |
| Sep 10, 2001 | 10 km W of Wijk aan Zee, Netherlands | M3.4 | 123 km | 10 km |
| Jun 11, 1993 | 2 km ESE of Sint-Huibrechts-Lille, Belgium | M3.3 | 138 km | 10 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 121 km | 4 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 74 km | 5 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 120 km | 4 km |
| Aug 12, 1990 | 2 km WNW of Kleine-Brogel, Belgium | M3.1 | 132 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 128 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 140 km | 10 km |
| Mar 28, 1996 | 67 km ESE of Aldeburgh, United Kingdom | M3.0 | 88 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 109 km | 10 km |
| Aug 6, 1994 | 1 km SSW of Langeheit, Netherlands | M3.0 | 135 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami 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 | — | 148 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.4 in | |
| February | 39°F (4°C) | 1.9 in | Coldest |
| March | 43°F (6°C) | 2.2 in | |
| April | 48°F (9°C) | 1.7 in | Driest |
| May | 54°F (12°C) | 2.0 in | |
| June | 59°F (15°C) | 2.6 in | |
| July | 65°F (18°C) | 2.6 in | Warmest |
| August | 64°F (18°C) | 2.2 in | |
| September | 60°F (15°C) | 3.2 in | |
| October | 53°F (12°C) | 3.4 in | Wettest |
| November | 46°F (8°C) | 3.3 in | |
| December | 41°F (5°C) | 2.9 in |
Griffioen has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 30.2 inches, with October being the wettest month (3.4") and April the driest (1.7").