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Weather & Climate in Diano San Pietro, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Diano San Pietro 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 272 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 | 272 ft (83 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 157/sq mi |
| Coordinates | 43.9295°N, 8.0725°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,052 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 | 116 km | 4 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 133 km | 0 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 109 km | 10 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 133 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 132 km | 8 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 104 km | 0 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 130 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 92 km | 10 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 72 km | 9 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 41 km | 19 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 136 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 126 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 36 km | 5 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 91 km | 40 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 39 km | 20 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 95 km | 10 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 97 km | 10 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 45 km | 26 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 133 km | 22 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 133 km | 25 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 | — | 18 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 64 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 San Pietro 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").