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Weather & Climate in Bologna, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bologna enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 294 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 6.3 inches of snow annually. The city sits at an elevation of 177 feet.
Temperature
42°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 177 ft (54 m) |
| Area | 61.1 sq mi (158.3 km²) |
| Population Density | 6,460/sq mi |
| Coordinates | 44.4938°N, 11.3388°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,989 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 | 45 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 45 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 51 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 55 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 20 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 103 km | 5 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 52 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 55 km | 9 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 59 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 56 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 39 km | 5 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 66 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 104 km | 60 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 103 km | 10 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 57 km | 6 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 75 km | 33 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 79 km | 16 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 45 km | 10 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 55 km | 3 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 43 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
9 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1916 | CENTRAL ADRIATIC | Earthquake | - | 4 | 142 km |
| 1875 | ADRIATIC SEA | Earthquake | - | - | 91 km |
| 1868 | LAKE GARDA | Earthquake | - | - | 143 km |
| 1846 | LIVORNO | Earthquake | - | 56 | 135 km |
| 1846 | TUSCANY | Earthquake | - | - | 129 km |
| 1742 | LIVORNO | Earthquake | - | - | 143 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | - | 1,500 | 117 km |
| 1646 | LIVORNO | Earthquake | - | - | 133 km |
| 1624 | DELTA OF THE PO | Earthquake | - | - | 38 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 1.9 in | |
| February | 41°F (5°C) | 1.9 in | |
| March | 48°F (9°C) | 2.7 in | |
| April | 54°F (12°C) | 2.8 in | |
| May | 62°F (17°C) | 2.5 in | |
| June | 69°F (21°C) | 2.5 in | |
| July | 79°F (26°C) | 1.8 in | Warmest, Driest |
| August | 75°F (24°C) | 2.3 in | |
| September | 67°F (20°C) | 3.0 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 46°F (8°C) | 3.7 in | Wettest |
| December | 39°F (4°C) | 2.6 in | Coldest |
Bologna has a seasonal temperature swing of 40°F / from 39°F in December to 79°F in July. Total annual precipitation is 30.9 inches, with November being the wettest month (3.7") and July the driest (1.8").