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Weather & Climate in Decima, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Decima enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 41°F in January while summers reach 78°F in July. The area gets 297 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 35.7 inches. The area receives 10.9 inches of snow annually. The city sits at an elevation of 59 feet.
Temperature
41°F Jan (5°C)
78°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 66.0 sq mi (170.8 km²) |
| Population Density | 79/sq mi |
| Coordinates | 44.7105°N, 11.2298°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,000 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 | 20 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 19 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 26 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 37 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 46 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 107 km | 5 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 85 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 75 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 31 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 28 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 25 km | 5 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 98 km | 60 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 75 km | 10 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 107 km | 10 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 142 km | 10 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 20 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 57 km | 33 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 149 km | 0 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 86 km | 16 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 33 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1875 | ADRIATIC SEA | Earthquake | - | - | 109 km |
| 1868 | LAKE GARDA | Earthquake | - | - | 118 km |
| 1846 | TUSCANY | Earthquake | - | - | 147 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | - | 1,500 | 138 km |
| 1646 | LIVORNO | Earthquake | - | - | 148 km |
| 1624 | DELTA OF THE PO | Earthquake | - | - | 47 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.7 in | |
| February | 40°F (5°C) | 1.5 in | Driest |
| March | 48°F (9°C) | 2.0 in | |
| April | 55°F (13°C) | 2.3 in | |
| May | 64°F (18°C) | 2.2 in | |
| June | 71°F (22°C) | 2.1 in | |
| July | 78°F (25°C) | 1.8 in | Warmest |
| August | 76°F (24°C) | 2.3 in | |
| September | 68°F (20°C) | 2.5 in | |
| October | 58°F (14°C) | 2.8 in | Wettest |
| November | 46°F (8°C) | 2.6 in | |
| December | 38°F (3°C) | 2.0 in | Coldest |
Decima has a seasonal temperature swing of 40°F / from 38°F in December to 78°F in July. Total annual precipitation is 25.8 inches, with October being the wettest month (2.8") and February the driest (1.5").