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Weather & Climate in San Martino Bassa, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martino Bassa enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 46°F in January while summers reach 80°F in July. The area gets 305 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 37.1 inches. The area receives 4.9 inches of snow annually. The city sits at an elevation of 95 feet.
Temperature
46°F Jan (8°C)
80°F Jul (27°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 24.2 sq mi (62.5 km²) |
| Population Density | 194/sq mi |
| Coordinates | 42.5183°N, 14.1305°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,758 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 | 80 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 125 km | 10 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 102 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 107 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 75 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 118 km | 10 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 77 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 88 km | 3 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 61 km | 15 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 113 km | 10 km |
| Mar 29, 2003 | 51 km W of Komiža, Croatia | M5.5 | 127 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 121 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 125 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 65 km | 15 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 116 km | 8 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 125 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 77 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 109 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 137 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1805 | CAMPANIA | Earthquake | — | — | 117 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 133 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 147 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 180 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 188 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 190 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.9 in | |
| February | 44°F (7°C) | 1.9 in | Coldest |
| March | 48°F (9°C) | 2.2 in | |
| April | 53°F (12°C) | 2.3 in | |
| May | 62°F (17°C) | 1.5 in | Driest |
| June | 69°F (21°C) | 2.2 in | |
| July | 80°F (27°C) | 1.5 in | Warmest |
| August | 74°F (23°C) | 2.3 in | |
| September | 68°F (20°C) | 2.7 in | |
| October | 59°F (15°C) | 3.0 in | |
| November | 51°F (10°C) | 3.1 in | Wettest |
| December | 45°F (7°C) | 2.6 in |
San Martino Bassa has a seasonal temperature swing of 36°F / from 44°F in February to 80°F in July. Total annual precipitation is 27.2 inches, with November being the wettest month (3.1") and May the driest (1.5").