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Weather & Climate in Romans-sur-Isère, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Romans-sur-Isère 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 558 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 | 558 ft (170 m) |
| Area | 18.7 sq mi (48.5 km²) |
| Population Density | 1,870/sq mi |
| Coordinates | 45.0496°N, 5.0660°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
679 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 | 139 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 141 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 130 km | 14 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 144 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 121 km | 3 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 147 km | 10 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 129 km | 5 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 128 km | 10 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 99 km | 4 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 117 km | 2 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 138 km | 2 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 43 km | 10 km |
| May 16, 2023 | 16 km W of Pleyne, Italy | M4.1 | 148 km | 8 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 142 km | 2 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 128 km | 7 km |
| Feb 27, 2012 | 8 km NNW of Jausiers, France | M4.1 | 142 km | 0 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 143 km | 2 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 136 km | 5 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 102 km | 5 km |
| Jun 22, 2014 | 7 km NNW of Jausiers, France | M4.0 | 143 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (182 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.4 in | |
| February | 41°F (5°C) | 2.2 in | Driest |
| March | 46°F (8°C) | 2.7 in | |
| April | 51°F (11°C) | 3.3 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 65°F (19°C) | 3.0 in | |
| July | 75°F (24°C) | 2.2 in | Warmest |
| August | 70°F (21°C) | 2.4 in | |
| September | 63°F (17°C) | 4.1 in | |
| October | 55°F (13°C) | 4.3 in | Wettest |
| November | 45°F (7°C) | 3.2 in | |
| December | 40°F (4°C) | 2.4 in | Coldest |
Romans-sur-Isère has a seasonal temperature swing of 36°F / from 40°F in December to 75°F in July. Total annual precipitation is 35.8 inches, with October being the wettest month (4.3") and February the driest (2.2").