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Weather & Climate in San Martino Alfieri, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martino Alfieri enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 38°F in January while summers reach 75°F in July. The area gets 287 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 33.6 inches. The area receives 4.8 inches of snow annually. The city sits at an elevation of 843 feet.
Temperature
38°F Jan (4°C)
75°F Jul (24°C)
| Annual Average | 56.3°F |
| 4% above US avg | |
| January Average | 38°F (4°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 287 days/yr |
Geography
| Elevation | 843 ft (257 m) |
| Area | 20.3 sq mi (52.6 km²) |
| Population Density | 15/sq mi |
| Coordinates | 44.8180°N, 8.1099°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,404 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 | 62 km | 4 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 99 km | 0 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 29 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 113 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 143 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 23 km | 0 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 108 km | 9 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 139 km | 19 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 111 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 67 km | 10 km |
| Aug 13, 2019 | 4 km SW of Stazione Valmozzola, Italy | M4.6 | 144 km | 10 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 127 km | 20 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 23 km | 40 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 69 km | 5 km |
| Oct 3, 2012 | 1 km WSW of Lugagnano Val d'Arda, Italy | M4.5 | 134 km | 22 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 117 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 68 km | 10 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 103 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 68 km | 25 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 87 km | 10 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 | 142 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 83 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 111 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 1.3 in | Coldest |
| February | 41°F (5°C) | 1.7 in | |
| March | 49°F (9°C) | 2.2 in | |
| April | 54°F (12°C) | 2.4 in | |
| May | 62°F (17°C) | 2.7 in | |
| June | 69°F (20°C) | 1.7 in | |
| July | 75°F (24°C) | 1.0 in | Warmest, Driest |
| August | 73°F (23°C) | 2.0 in | |
| September | 66°F (19°C) | 1.8 in | |
| October | 57°F (14°C) | 2.9 in | Wettest |
| November | 46°F (8°C) | 2.1 in | |
| December | 40°F (4°C) | 1.4 in |
San Martino Alfieri has a seasonal temperature swing of 36°F / from 38°F in January to 75°F in July. Total annual precipitation is 23.2 inches, with October being the wettest month (2.9") and July the driest (1.0").