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Weather & Climate in Ischia, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ischia enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 48°F in January while summers reach 74°F in July. The area gets 273 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 34.8 inches. The city sits at an elevation of 7 feet.
Temperature
48°F Jan (9°C)
74°F Jul (23°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 3.8 sq mi (9.7 km²) |
| Population Density | 4,937/sq mi |
| Coordinates | 40.7379°N, 13.9486°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
439 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 140 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 134 km | 10 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 62 km | 401 km |
| Jul 26, 2005 | 100 km SSW of Ponza, Italy | M5.0 | 133 km | 514 km |
| Dec 21, 1996 | 90 km SSW of Ventotene, Italy | M4.9 | 110 km | 488 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 113 km | 11 km |
| Sep 14, 1999 | 23 km SW of Marina di Camerota, Italy | M4.8 | 146 km | 297 km |
| Apr 3, 1996 | 0 km NNE of Muro Lucano, Italy | M4.7 | 130 km | 10 km |
| Jan 21, 1996 | 87 km SSW of Ventotene, Italy | M4.7 | 104 km | 459 km |
| Aug 31, 1993 | 18 km WSW of Palinuro, Italy | M4.7 | 129 km | 315 km |
| Mar 28, 2023 | 2 km NNW of Montagano, Italy | M4.7 | 119 km | 7 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 94 km | 300 km |
| Dec 13, 1998 | 108 km N of Ustica, Italy | M4.6 | 127 km | 473 km |
| Sep 27, 2012 | 0 km E of Sant'Arcangelo Trimonte, Italy | M4.6 | 97 km | 6 km |
| Mar 19, 1997 | 1 km SSE of Sepino, Italy | M4.6 | 93 km | 10 km |
| Feb 20, 2008 | 3 km W of Belmonte Castello, Italy | M4.6 | 95 km | 9 km |
| Sep 19, 2004 | Tyrrhenian Sea | M4.5 | 97 km | 460 km |
| Nov 1, 2002 | 2 km SE of Lupara, Italy | M4.5 | 131 km | 10 km |
| Nov 1, 2002 | 3 km SSW of Montecilfone, Italy | M4.5 | 146 km | 10 km |
| Feb 27, 2023 | 90 km SSW of Anacapri, Italy | M4.5 | 107 km | 415 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 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 | 41 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 41 km |
| 1805 | CAMPANIA | Earthquake | — | — | 95 km |
| 1562 | REGGIO DI CALABRIA | Earthquake | — | — | 134 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 41 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Ischia (4 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 4 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 19 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 41 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 3.7 in | Coldest |
| February | 48°F (9°C) | 3.2 in | |
| March | 50°F (10°C) | 2.8 in | |
| April | 54°F (12°C) | 2.8 in | |
| May | 62°F (17°C) | 1.7 in | |
| June | 69°F (20°C) | 0.9 in | |
| July | 74°F (23°C) | 0.7 in | Driest |
| August | 75°F (24°C) | 1.4 in | Warmest |
| September | 69°F (21°C) | 3.1 in | |
| October | 62°F (17°C) | 4.8 in | |
| November | 54°F (12°C) | 5.5 in | Wettest |
| December | 50°F (10°C) | 4.2 in |
Ischia has a seasonal temperature swing of 27°F / from 48°F in January to 75°F in August. Total annual precipitation is 34.8 inches, with November being the wettest month (5.5") and July the driest (0.7").