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Weather & Climate in Grillon, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grillon experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 35°F in January while summers reach 68°F in July. The area gets 316 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 37.7 inches. The area receives 8.1 inches of snow annually. The city sits at an elevation of 600 feet.
Temperature
35°F Jan (2°C)
68°F Jul (20°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 600 ft (183 m) |
| Area | 16.8 sq mi (43.4 km²) |
| Population Density | 109/sq mi |
| Coordinates | 44.3951°N, 4.9295°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
750 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 143 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 124 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 150 km | 14 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 141 km | 10 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 44 km | 4 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 93 km | 10 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 138 km | 2 km |
| Feb 27, 2012 | 8 km NNW of Jausiers, France | M4.1 | 140 km | 0 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 141 km | 7 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 140 km | 2 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 150 km | 5 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 128 km | 2 km |
| Jun 22, 2014 | 7 km NNW of Jausiers, France | M4.0 | 140 km | 2 km |
| May 25, 2003 | 4 km ESE of Valloire, France | M4.0 | 148 km | 6 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 123 km | 3 km |
| Oct 3, 1997 | 7 km S of Seyne-les-Alpes, France | M3.8 | 115 km | 5 km |
| Nov 6, 1997 | 13 km WNW of Barcelonnette, France | M3.7 | 124 km | 5 km |
| Feb 28, 2004 | 1 km E of Biol, France | M3.7 | 127 km | 10 km |
| Feb 2, 2002 | 9 km SE of Valloire, France | M3.7 | 149 km | 1 km |
| Oct 31, 1997 | 14 km SE of Seyne-les-Alpes, France | M3.6 | 125 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2004 | MARSEILLES | Meteorological | - | - | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.9 in | Coldest |
| February | 42°F (5°C) | 2.2 in | |
| March | 47°F (9°C) | 2.5 in | |
| April | 52°F (11°C) | 3.1 in | |
| May | 60°F (16°C) | 3.4 in | |
| June | 67°F (19°C) | 2.4 in | |
| July | 68°F (20°C) | 1.7 in | Driest |
| August | 72°F (22°C) | 2.3 in | Warmest |
| September | 65°F (18°C) | 4.1 in | |
| October | 56°F (13°C) | 5.1 in | Wettest |
| November | 46°F (8°C) | 3.2 in | |
| December | 41°F (5°C) | 2.8 in |
Grillon has a seasonal temperature swing of 37°F / from 35°F in January to 72°F in August. Total annual precipitation is 35.5 inches, with October being the wettest month (5.1") and July the driest (1.7").