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Weather & Climate in Fiorentino, San Marino
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fiorentino enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 44°F in January while summers reach 77°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 37.6 inches. The area receives 3.1 inches of snow annually. The city sits at an elevation of 1,535 feet.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 1,535 ft (468 m) |
| Area | 2.9 sq mi (7.4 km²) |
| Population Density | 881/sq mi |
| Coordinates | 43.9100°N, 12.4574°W |
| Timezone | Europe/San_Marino |
Precipitation & Snow
Air Quality
Earthquake History
2,061 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 145 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 96 km | 10 km |
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 146 km | 6 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 102 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 132 km | 3 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 101 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 111 km | 10 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 107 km | 8 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 84 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 118 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 97 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 93 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 85 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 58 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 64 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 128 km | 5 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 78 km | 10 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 90 km | 8 km |
| Nov 9, 1997 | 2 km NE of Sellano, Italy | M4.8 | 119 km | 10 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 98 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | CENTRAL ADRIATIC | Earthquake | — | 18 | 82 km |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 46 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 33 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 10 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 93 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Vulsini (152 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 2.1 in | Driest |
| February | 41°F (5°C) | 2.4 in | Coldest |
| March | 46°F (8°C) | 2.9 in | |
| April | 52°F (11°C) | 3.0 in | |
| May | 60°F (16°C) | 2.5 in | |
| June | 68°F (20°C) | 2.6 in | |
| July | 77°F (25°C) | 2.2 in | Warmest |
| August | 73°F (23°C) | 3.2 in | |
| September | 66°F (19°C) | 3.4 in | |
| October | 57°F (14°C) | 3.6 in | |
| November | 47°F (8°C) | 4.2 in | Wettest |
| December | 41°F (5°C) | 3.2 in |
Fiorentino has a seasonal temperature swing of 37°F / from 41°F in February to 77°F in July. Total annual precipitation is 35.3 inches, with November being the wettest month (4.2") and January the driest (2.1").