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Weather & Climate in Bonassola, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bonassola experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 39°F in January while summers reach 69°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 55.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
39°F Jan (4°C)
69°F Jul (21°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 19.0 sq mi (49.3 km²) |
| Population Density | 31/sq mi |
| Coordinates | 44.1832°N, 9.5842°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,831 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 140 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 137 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 117 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 150 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 44 km | 5 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 134 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 133 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 48 km | 60 km |
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 87 km | 4 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 142 km | 10 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 69 km | 16 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 106 km | 33 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 46 km | 10 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 116 km | 10 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 61 km | 0 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 121 km | 10 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 134 km | 4 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 133 km | 11 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 134 km | 3 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 45 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 127 km |
| 1846 | LIVORNO | Earthquake | — | 56 | 119 km |
| 1846 | TUSCANY | Earthquake | — | — | 106 km |
| 1742 | LIVORNO | Earthquake | — | — | 91 km |
| 1646 | LIVORNO | Earthquake | — | — | 92 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 5.6 in | Coldest |
| February | 41°F (5°C) | 3.8 in | |
| March | 45°F (7°C) | 4.5 in | |
| April | 50°F (10°C) | 4.5 in | |
| May | 58°F (14°C) | 3.5 in | |
| June | 64°F (18°C) | 3.0 in | |
| July | 69°F (21°C) | 1.6 in | Driest |
| August | 70°F (21°C) | 3.0 in | Warmest |
| September | 63°F (17°C) | 5.0 in | |
| October | 55°F (13°C) | 7.8 in | Wettest |
| November | 46°F (8°C) | 7.2 in | |
| December | 41°F (5°C) | 5.6 in |
Bonassola has a seasonal temperature swing of 31°F / from 39°F in January to 70°F in August. Total annual precipitation is 55.0 inches, with October being the wettest month (7.8") and July the driest (1.6").