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Weather & Climate in Monte San Marino, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monte San Marino enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 79°F in July. The area gets 309 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 43.0 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 1,312 feet.
Temperature
43°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 1,312 ft (400 m) |
| Area | 80.7 sq mi (208.9 km²) |
| Population Density | 16/sq mi |
| Coordinates | 41.7120°N, 13.3120°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
984 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 6, 2009 | 3 km SE of Sassa, Italy | M6.3 | 69 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 113 km | 4 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 130 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 130 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 99 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 126 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 98 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 64 km | 15 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 143 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 86 km | 15 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 137 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 106 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 89 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 94 km | 7 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 82 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 88 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 73 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 78 km | 5 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 82 km | 10 km |
| Nov 9, 1997 | 2 km NE of Sellano, Italy | M4.8 | 136 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1631 | BAY OF NAPLES | Eruption | 5.0 m | 4,000 | 136 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 136 km |
| 1805 | CAMPANIA | Earthquake | — | — | 99 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (51 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 51 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 120 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 120 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 136 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 151 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.0 in | |
| February | 41°F (5°C) | 3.1 in | Coldest |
| March | 46°F (8°C) | 2.6 in | |
| April | 50°F (10°C) | 3.4 in | |
| May | 59°F (15°C) | 2.8 in | |
| June | 66°F (19°C) | 2.1 in | |
| July | 79°F (26°C) | 1.9 in | Warmest, Driest |
| August | 72°F (22°C) | 2.2 in | |
| September | 65°F (18°C) | 3.6 in | |
| October | 57°F (14°C) | 4.8 in | |
| November | 48°F (9°C) | 5.2 in | Wettest |
| December | 42°F (6°C) | 4.0 in |
Monte San Marino has a seasonal temperature swing of 37°F / from 41°F in February to 79°F in July. Total annual precipitation is 38.6 inches, with November being the wettest month (5.2") and July the driest (1.9").