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Weather & Climate in Ariano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ariano enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 77°F in July. The area gets 286 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 31.8 inches. The area receives 1.3 inches of snow annually. The city sits at an elevation of 10 feet.
Temperature
43°F Jan (6°C)
77°F Jul (25°C)
| Annual Average | 58.8°F |
| 9% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 137.2 sq mi (355.3 km²) |
| Population Density | 13/sq mi |
| Coordinates | 44.9460°N, 12.1245°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,582 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 71 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 83 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 88 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 107 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 87 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 71 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 93 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 109 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 93 km | 9 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 41 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 52 km | 5 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 125 km | 33 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 81 km | 10 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 66 km | 6 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 93 km | 3 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 120 km | 4 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 105 km | 10 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 59 km | 3 km |
| May 8, 2000 | 3 km NE of Faenza, Italy | M4.8 | 72 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 93 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 235.0 m (771 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | VAJONT DAM, VAJONT RIVER | Meteorological | 235.0 m | 2,000 | 148 km |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 123 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 86 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 139 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 118 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 46 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.7 in | |
| February | 41°F (5°C) | 1.3 in | Driest |
| March | 48°F (9°C) | 1.7 in | |
| April | 55°F (13°C) | 1.9 in | |
| May | 64°F (18°C) | 2.3 in | |
| June | 71°F (21°C) | 2.2 in | |
| July | 77°F (25°C) | 1.7 in | Warmest |
| August | 74°F (24°C) | 2.6 in | Wettest |
| September | 67°F (20°C) | 2.4 in | |
| October | 58°F (15°C) | 2.5 in | |
| November | 47°F (8°C) | 2.6 in | |
| December | 39°F (4°C) | 1.9 in | Coldest |
Ariano has a seasonal temperature swing of 38°F / from 39°F in December to 77°F in July. Total annual precipitation is 24.8 inches, with August being the wettest month (2.6") and February the driest (1.3").