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Weather & Climate in Gissi, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gissi enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 78°F in July. The area gets 299 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 45.4 inches. The area receives 23.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,637 feet.
Temperature
43°F Jan (6°C)
78°F Jul (26°C)
| Annual Average | 58.7°F |
| 9% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 1,637 ft (499 m) |
| Area | 80.2 sq mi (207.8 km²) |
| Population Density | 23/sq mi |
| Coordinates | 42.0180°N, 14.5448°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,064 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 6, 2009 | 3 km SE of Sassa, Italy | M6.3 | 106 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 136 km | 4 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 37 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 42 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 126 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 146 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 128 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 94 km | 15 km |
| Mar 27, 2021 | 55 km N of Peschici, Italy | M5.5 | 133 km | 7 km |
| Mar 29, 2003 | 51 km W of Komiža, Croatia | M5.5 | 143 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 112 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 131 km | 10 km |
| Sep 30, 1995 | 3 km S of Ischitella, Italy | M5.2 | 113 km | 25 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 114 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 122 km | 7 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 109 km | 9 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 74 km | 10 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 111 km | 8 km |
| Mar 27, 2003 | 62 km W of Komiža, Croatia | M5.0 | 142 km | 10 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 107 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1631 | BAY OF NAPLES | Eruption | 5.0 m | 4,000 | 134 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 134 km |
| 1805 | CAMPANIA | Earthquake | — | — | 58 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 98 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 74 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Vesuvius (134 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 134 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 137 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 153 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 156 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.7 in | Coldest |
| February | 45°F (7°C) | 1.6 in | |
| March | 49°F (9°C) | 1.7 in | |
| April | 54°F (12°C) | 1.7 in | |
| May | 62°F (17°C) | 1.2 in | Driest |
| June | 69°F (21°C) | 1.5 in | |
| July | 78°F (26°C) | 1.2 in | Warmest |
| August | 75°F (24°C) | 1.7 in | |
| September | 68°F (20°C) | 2.2 in | |
| October | 61°F (16°C) | 2.4 in | |
| November | 52°F (11°C) | 2.6 in | Wettest |
| December | 46°F (8°C) | 2.2 in |
Gissi has a seasonal temperature swing of 36°F / from 43°F in January to 78°F in July. Total annual precipitation is 21.4 inches, with November being the wettest month (2.6") and May the driest (1.2").