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Weather & Climate in Spiano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Spiano enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 44°F in January while summers reach 79°F in July. The area gets 293 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 33.9 inches. The area receives 2.3 inches of snow annually. The city sits at an elevation of 787 feet.
Temperature
44°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 787 ft (240 m) |
| Area | 14.6 sq mi (37.7 km²) |
| Population Density | 48/sq mi |
| Coordinates | 40.7615°N, 14.7501°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
645 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 115 km | 10 km |
| May 5, 1990 | 6 km NE of Avigliano, Italy | M5.8 | 86 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 108 km | 10 km |
| Sep 9, 1998 | 2 km NNE of Castelluccio Superiore, Italy | M5.6 | 132 km | 10 km |
| Oct 25, 2012 | 2 km SE of Mormanno, Italy | M5.3 | 145 km | 6 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 101 km | 401 km |
| May 26, 1991 | 3 km E of Avigliano, Italy | M5.1 | 86 km | 8 km |
| Mar 21, 1994 | 29 km WSW of Scalea, Italy | M5.1 | 128 km | 279 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 147 km | 10 km |
| Oct 16, 2012 | 21 km WSW of Scalea, Italy | M4.9 | 131 km | 260 km |
| Nov 23, 2009 | 38 km SSW of Marina di Camerota, Italy | M4.8 | 130 km | 294 km |
| Oct 12, 1994 | 29 km S of Marina di Camerota, Italy | M4.8 | 125 km | 21 km |
| Sep 14, 1999 | 23 km SW of Marina di Camerota, Italy | M4.8 | 110 km | 297 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 144 km | 11 km |
| Apr 3, 1996 | 0 km NNE of Muro Lucano, Italy | M4.7 | 63 km | 10 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 47 km | 300 km |
| Aug 31, 1993 | 18 km WSW of Palinuro, Italy | M4.7 | 93 km | 315 km |
| Mar 28, 2023 | 2 km NNW of Montagano, Italy | M4.7 | 101 km | 7 km |
| Sep 2, 2013 | 43 km SSW of Palinuro, Italy | M4.7 | 122 km | 312 km |
| Mar 19, 1997 | 1 km SSE of Sepino, Italy | M4.6 | 71 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
7 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 | 28 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 28 km |
| 1805 | CAMPANIA | Earthquake | — | — | 86 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 103 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 119 km |
| 1562 | REGGIO DI CALABRIA | Earthquake | — | — | 70 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 28 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Vesuvius (28 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 28 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 52 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 72 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 4.3 in | Coldest |
| February | 45°F (7°C) | 3.6 in | |
| March | 48°F (9°C) | 3.1 in | |
| April | 53°F (12°C) | 3.2 in | |
| May | 61°F (16°C) | 2.1 in | |
| June | 67°F (20°C) | 1.2 in | |
| July | 79°F (26°C) | 1.1 in | Warmest, Driest |
| August | 72°F (22°C) | 1.5 in | |
| September | 67°F (19°C) | 3.0 in | |
| October | 60°F (15°C) | 4.4 in | |
| November | 52°F (11°C) | 5.4 in | Wettest |
| December | 46°F (8°C) | 4.6 in |
Spiano has a seasonal temperature swing of 36°F / from 44°F in January to 79°F in July. Total annual precipitation is 37.5 inches, with November being the wettest month (5.4") and July the driest (1.1").