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Weather & Climate in Vallo, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vallo enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 39°F in January while summers reach 73°F in July. The area gets 293 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 42.3 inches. The area receives 9.9 inches of snow annually. The city sits at an elevation of 787 feet.
Temperature
39°F Jan (4°C)
73°F Jul (23°C)
| Annual Average | 55.6°F |
| 3% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 787 ft (240 m) |
| Area | 13.3 sq mi (34.4 km²) |
| Population Density | 39/sq mi |
| Coordinates | 45.2669°N, 7.8793°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,288 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 | 96 km | 4 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 65 km | 10 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 131 km | 0 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 118 km | 8 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 145 km | 9 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 63 km | 0 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 89 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 102 km | 14 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 | 127 km | 10 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 145 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 60 km | 40 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 122 km | 5 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 88 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 134 km | 3 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 132 km | 10 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 122 km | 5 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 86 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 56 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 34 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 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 | — | 132 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 147 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 147 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 1.6 in | |
| February | 39°F (4°C) | 1.6 in | |
| March | 47°F (8°C) | 2.2 in | |
| April | 53°F (12°C) | 3.3 in | |
| May | 61°F (16°C) | 4.3 in | Wettest |
| June | 67°F (20°C) | 3.1 in | |
| July | 73°F (23°C) | 1.9 in | Warmest |
| August | 71°F (22°C) | 2.9 in | |
| September | 64°F (18°C) | 2.5 in | |
| October | 55°F (13°C) | 3.1 in | |
| November | 44°F (7°C) | 2.1 in | |
| December | 37°F (3°C) | 1.4 in | Coldest, Driest |
Vallo has a seasonal temperature swing of 36°F / from 37°F in December to 73°F in July. Total annual precipitation is 30.0 inches, with May being the wettest month (4.3") and December the driest (1.4").