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Weather & Climate in Holnon, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Holnon experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 65°F in July. The area gets 218 sunny days per year. Annual precipitation totals 36.6 inches. The area receives 4.2 inches of snow annually. The city sits at an elevation of 377 feet.
Temperature
41°F Jan (5°C)
65°F Jul (18°C)
| Annual Average | 53.2°F |
| 1% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 218 days/yr |
Geography
| Elevation | 377 ft (115 m) |
| Area | 3.4 sq mi (8.7 km²) |
| Population Density | 401/sq mi |
| Coordinates | 49.8609°N, 3.2151°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
31 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 | 85 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 78 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 130 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 80 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 129 km | 4 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 128 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 74 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 75 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 48 km | 7 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 78 km | 5 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 72 km | 4 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 147 km | 5 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 93 km | 10 km |
| Jul 23, 1992 | 3 km ENE of Sivry, Belgium | M3.0 | 81 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 149 km | 5 km |
| Aug 23, 1994 | 2 km E of Dikkebus, Belgium | M2.9 | 110 km | 10 km |
| Nov 29, 1992 | 1 km ENE of Sivry, Belgium | M2.8 | 79 km | 8 km |
| Mar 9, 1994 | 1 km NW of Houthulst, Belgium | M2.8 | 127 km | 5 km |
| Jul 19, 2004 | 1 km W of Haltinne, Belgium | M2.8 | 147 km | 2 km |
| Nov 8, 1994 | 2 km WSW of Landelies, Belgium | M2.8 | 97 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.2 in | |
| February | 38°F (3°C) | 1.9 in | Coldest, Driest |
| March | 43°F (6°C) | 2.3 in | |
| April | 47°F (8°C) | 2.0 in | |
| May | 55°F (13°C) | 2.4 in | |
| June | 59°F (15°C) | 2.6 in | Wettest |
| July | 65°F (18°C) | 2.2 in | Warmest |
| August | 64°F (18°C) | 2.1 in | |
| September | 58°F (14°C) | 2.2 in | |
| October | 51°F (11°C) | 2.4 in | |
| November | 43°F (6°C) | 2.6 in | |
| December | 39°F (4°C) | 2.5 in |
Holnon has a seasonal temperature swing of 27°F / from 38°F in February to 65°F in July. Total annual precipitation is 27.4 inches, with June being the wettest month (2.6") and February the driest (1.9").