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Weather & Climate in Semproniano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Semproniano experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 41°F in January while summers reach 71°F in July. The area gets 298 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 21.2 inches (drier than the 38-inch national average). The city sits at an elevation of 1,972 feet.
Temperature
41°F Jan (5°C)
71°F Jul (21°C)
| Annual Average | 54.2°F |
| 0% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 1,972 ft (601 m) |
| Area | 27.0 sq mi (70.0 km²) |
| Population Density | 18/sq mi |
| Coordinates | 42.7292°N, 11.5413°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,398 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 | 135 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 111 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 139 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 115 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 132 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 136 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 113 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 111 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 130 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 150 km | 15 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 109 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 112 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 137 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 106 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 148 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 141 km | 7 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 144 km | 10 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 102 km | 8 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 142 km | 5 km |
| Oct 16, 1997 | 8 km ESE of Valtopina, Italy | M4.8 | 111 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1846 | LIVORNO | Earthquake | - | 56 | 107 km |
| 1846 | TUSCANY | Earthquake | - | - | 120 km |
| 1742 | LIVORNO | Earthquake | - | - | 139 km |
| 1646 | LIVORNO | Earthquake | - | - | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (35 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 35 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 146 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.9 in | Coldest |
| February | 41°F (5°C) | 1.8 in | |
| March | 45°F (7°C) | 1.7 in | |
| April | 50°F (10°C) | 1.8 in | |
| May | 58°F (14°C) | 1.7 in | |
| June | 64°F (18°C) | 1.1 in | |
| July | 71°F (21°C) | 0.8 in | Warmest, Driest |
| August | 70°F (21°C) | 1.3 in | |
| September | 64°F (18°C) | 2.0 in | |
| October | 57°F (14°C) | 2.4 in | |
| November | 48°F (9°C) | 2.6 in | Wettest |
| December | 42°F (6°C) | 2.1 in |
Semproniano has a seasonal temperature swing of 30°F / from 41°F in January to 71°F in July. Total annual precipitation is 21.2 inches, with November being the wettest month (2.6") and July the driest (0.8").