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Weather & Climate in Diano Marina, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Diano Marina experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 39°F in January while summers reach 70°F in July. The area gets 317 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 34.2 inches. The area receives 14.9 inches of snow annually. The city sits at an elevation of 13 feet.
Temperature
39°F Jan (4°C)
70°F Jul (21°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 1,466/sq mi |
| Coordinates | 43.9109°N, 8.0803°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,028 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 117 km | 4 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 134 km | 0 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 111 km | 10 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 135 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 134 km | 8 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 130 km | 9 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 106 km | 0 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 71 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 94 km | 10 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 38 km | 19 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 127 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 93 km | 40 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 37 km | 20 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 97 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 37 km | 5 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 137 km | 10 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 97 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 135 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 136 km | 22 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 45 km | 26 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1979 | FRENCH RIVIERA (LIGURIAN SEA) | Meteorological | 10.0 m | 9 | 71 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 20 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.6 in | Coldest |
| February | 47°F (9°C) | 2.3 in | |
| March | 51°F (10°C) | 2.4 in | |
| April | 54°F (12°C) | 3.0 in | |
| May | 62°F (16°C) | 2.2 in | |
| June | 68°F (20°C) | 1.5 in | |
| July | 70°F (21°C) | 0.7 in | Driest |
| August | 74°F (23°C) | 1.4 in | Warmest |
| September | 68°F (20°C) | 3.0 in | |
| October | 61°F (16°C) | 4.5 in | Wettest |
| November | 53°F (11°C) | 3.7 in | |
| December | 48°F (9°C) | 2.9 in |
Diano Marina has a seasonal temperature swing of 35°F / from 39°F in January to 74°F in August. Total annual precipitation is 30.2 inches, with October being the wettest month (4.5") and July the driest (0.7").