All Countries
Weather & Climate in Romagnieu, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Romagnieu experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 38°F in January while summers reach 71°F in July. The area gets 269 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 45.4 inches. The area receives 7.8 inches of snow annually. The city sits at an elevation of 850 feet.
Temperature
38°F Jan (3°C)
71°F Jul (22°C)
| Annual Average | 54.1°F |
| 0% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 850 ft (259 m) |
| Area | 3.8 sq mi (9.8 km²) |
| Population Density | 356/sq mi |
| Coordinates | 45.5706°N, 5.6410°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
880 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 | 136 km | 8 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 114 km | 14 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 53 km | 3 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 56 km | 5 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 74 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 147 km | 10 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 55 km | 10 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 131 km | 6 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 144 km | 25 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 142 km | 5 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 67 km | 2 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 140 km | 2 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 142 km | 10 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 141 km | 11 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 55 km | 10 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 119 km | 7 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 123 km | 5 km |
| May 16, 2023 | 16 km W of Pleyne, Italy | M4.1 | 146 km | 8 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 77 km | 2 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 43 km | 5 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 |
| 563 | LAKE GENEVA | Meteorological | - | - | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 3.0 in | |
| February | 39°F (4°C) | 3.0 in | |
| March | 45°F (7°C) | 3.2 in | |
| April | 50°F (10°C) | 3.5 in | |
| May | 58°F (15°C) | 4.0 in | |
| June | 65°F (18°C) | 3.8 in | |
| July | 71°F (22°C) | 3.0 in | Warmest |
| August | 68°F (20°C) | 2.8 in | Driest |
| September | 61°F (16°C) | 4.5 in | |
| October | 53°F (12°C) | 4.5 in | Wettest |
| November | 43°F (6°C) | 3.9 in | |
| December | 37°F (3°C) | 3.2 in | Coldest |
Romagnieu has a seasonal temperature swing of 33°F / from 37°F in December to 71°F in July. Total annual precipitation is 42.6 inches, with October being the wettest month (4.5") and August the driest (2.8").