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Weather & Climate in Gaeta, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gaeta enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 43°F in January while summers reach 72°F in July. The area gets 270 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 36.6 inches. The city sits at an elevation of 7 feet.
Temperature
43°F Jan (6°C)
72°F Jul (22°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 15.3 sq mi (39.7 km²) |
| Population Density | 1,302/sq mi |
| Coordinates | 41.2141°N, 13.5708°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
502 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 | 126 km | 9 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 126 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 123 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 118 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 143 km | 15 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 116 km | 401 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 146 km | 3 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 139 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 145 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 130 km | 10 km |
| Dec 21, 1996 | 90 km SSW of Ventotene, Italy | M4.9 | 139 km | 488 km |
| Apr 7, 2009 | 1 km SW of L'Aquila, Italy | M4.8 | 126 km | 10 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 142 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 136 km | 5 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 56 km | 11 km |
| Jun 22, 2009 | 4 km ENE of Pizzoli, Italy | M4.7 | 138 km | 14 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 149 km | 300 km |
| Jan 21, 1996 | 87 km SSW of Ventotene, Italy | M4.7 | 136 km | 459 km |
| Mar 11, 2000 | southern Italy | M4.7 | 97 km | 10 km |
| Mar 28, 2023 | 2 km NNW of Montagano, Italy | M4.7 | 104 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 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 | 84 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 84 km |
| 1805 | CAMPANIA | Earthquake | - | - | 81 km |
| 79 | BAY OF NAPLES | Eruption | - | 2,100 | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Ischia (60 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 60 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 64 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 84 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 93 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.4 in | Coldest |
| February | 43°F (6°C) | 3.2 in | |
| March | 47°F (8°C) | 2.8 in | |
| April | 51°F (11°C) | 3.1 in | |
| May | 60°F (15°C) | 2.2 in | |
| June | 66°F (19°C) | 1.4 in | |
| July | 72°F (22°C) | 1.2 in | Driest |
| August | 73°F (23°C) | 1.9 in | Warmest |
| September | 66°F (19°C) | 3.3 in | |
| October | 59°F (15°C) | 4.7 in | |
| November | 50°F (10°C) | 5.4 in | Wettest |
| December | 44°F (7°C) | 4.2 in |
Gaeta has a seasonal temperature swing of 30°F / from 43°F in January to 73°F in August. Total annual precipitation is 36.6 inches, with November being the wettest month (5.4") and July the driest (1.2").