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Weather & Climate in Borgo Maggiore, San Marino
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Borgo Maggiore 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 1,578 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 | 1,578 ft (481 m) |
| Area | 5.4 sq mi (14.0 km²) |
| Population Density | 1,192/sq mi |
| Coordinates | 43.9419°N, 12.4474°W |
| Timezone | Europe/San_Marino |
Precipitation & Snow
Air Quality
Earthquake History
2,075 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 | 148 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 100 km | 10 km |
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 143 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 148 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 105 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 135 km | 3 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 115 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 105 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 87 km | 10 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 110 km | 8 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 121 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 100 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 91 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 89 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 62 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 55 km | 10 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 75 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 125 km | 5 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 93 km | 8 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 148 km | 10 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 | 83 km |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 46 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 29 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 11 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Vulsini (155 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 155 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 |
Borgo Maggiore 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").