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Weather & Climate in Santo Stefano al Mare, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santo Stefano al Mare experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 39°F in January while summers reach 70°F in July. The area gets 317 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 34.2 inches. The area receives 14.9 inches of snow annually. The city sits at an elevation of 23 feet.
Temperature
39°F Jan (4°C)
70°F Jul (21°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 15.9 sq mi (41.2 km²) |
| Population Density | 116/sq mi |
| Coordinates | 43.8386°N, 7.8973°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,985 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 132 km | 4 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 123 km | 10 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 124 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 127 km | 8 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 147 km | 9 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 118 km | 0 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 93 km | 10 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 35 km | 19 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 55 km | 9 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 149 km | 14 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 120 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 95 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 52 km | 5 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 99 km | 40 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 46 km | 20 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 114 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 136 km | 25 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 29 km | 26 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 140 km | 22 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 53 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1979 | FRENCH RIVIERA (LIGURIAN SEA) | Meteorological | 10.0 m | 9 | 54 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 28 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 53 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.6 in | Coldest |
| February | 45°F (7°C) | 2.5 in | |
| March | 49°F (9°C) | 2.6 in | |
| April | 53°F (11°C) | 3.2 in | |
| May | 60°F (16°C) | 2.4 in | |
| June | 66°F (19°C) | 1.8 in | |
| July | 70°F (21°C) | 0.8 in | Driest |
| August | 72°F (22°C) | 1.5 in | Warmest |
| September | 66°F (19°C) | 3.1 in | |
| October | 59°F (15°C) | 4.6 in | Wettest |
| November | 50°F (10°C) | 4.0 in | |
| December | 46°F (8°C) | 3.0 in |
Santo Stefano al Mare has a seasonal temperature swing of 33°F / from 39°F in January to 72°F in August. Total annual precipitation is 32.2 inches, with October being the wettest month (4.6") and July the driest (0.8").