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Weather & Climate in Portes-lès-Valence, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portes-lès-Valence enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 41°F in January while summers reach 75°F in July. The area gets 296 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 34.7 inches. The area receives 4.8 inches of snow annually. The city sits at an elevation of 361 feet.
Temperature
41°F Jan (5°C)
75°F Jul (24°C)
| Annual Average | 57.5°F |
| 6% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 361 ft (110 m) |
| Area | 5.8 sq mi (15.0 km²) |
| Population Density | 1,493/sq mi |
| Coordinates | 44.8759°N, 4.8742°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
525 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 143 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 148 km | 8 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 144 km | 14 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 145 km | 3 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 74 km | 4 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 139 km | 2 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 146 km | 2 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 62 km | 10 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 148 km | 5 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 140 km | 7 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 125 km | 5 km |
| Feb 27, 2012 | 8 km NNW of Jausiers, France | M4.1 | 150 km | 0 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 150 km | 2 km |
| May 25, 2003 | 4 km ESE of Valloire, France | M4.0 | 130 km | 6 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 81 km | 2 km |
| May 15, 1997 | 4 km WNW of Modane, France | M3.9 | 143 km | 5 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 138 km | 9 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 137 km | 11 km |
| Apr 10, 2005 | 5 km ESE of Saint-Martin-de-Belleville, France | M3.8 | 143 km | 3 km |
| Oct 3, 1997 | 7 km S of Seyne-les-Alpes, France | M3.8 | 135 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (179 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 179 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.5 in | |
| February | 42°F (5°C) | 2.1 in | |
| March | 47°F (9°C) | 2.5 in | |
| April | 52°F (11°C) | 3.2 in | |
| May | 60°F (16°C) | 3.5 in | |
| June | 67°F (19°C) | 2.8 in | |
| July | 75°F (24°C) | 2.0 in | Warmest, Driest |
| August | 71°F (22°C) | 2.3 in | |
| September | 64°F (18°C) | 4.1 in | |
| October | 56°F (13°C) | 4.6 in | Wettest |
| November | 46°F (8°C) | 3.0 in | |
| December | 41°F (5°C) | 2.4 in | Coldest |
Portes-lès-Valence has a seasonal temperature swing of 35°F / from 41°F in December to 75°F in July. Total annual precipitation is 35.0 inches, with October being the wettest month (4.6") and July the driest (2.0").