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Weather & Climate in Le Forna, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Le Forna enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 52°F in January while summers reach 76°F in July. The area gets 288 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 26.4 inches (drier than the 38-inch national average). The city sits at an elevation of 52 feet.
Temperature
52°F Jan (11°C)
76°F Jul (24°C)
| Annual Average | 62.4°F |
| 16% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 15.2 sq mi (39.4 km²) |
| Population Density | 83/sq mi |
| Coordinates | 40.9248°N, 12.9690°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
207 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 109 km | 401 km |
| Jul 26, 2005 | 100 km SSW of Ponza, Italy | M5.0 | 104 km | 514 km |
| Dec 21, 1996 | 90 km SSW of Ventotene, Italy | M4.9 | 99 km | 488 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 101 km | 11 km |
| Mar 11, 2000 | southern Italy | M4.7 | 112 km | 10 km |
| Jan 21, 1996 | 87 km SSW of Ventotene, Italy | M4.7 | 99 km | 459 km |
| Mar 19, 1997 | 1 km SSE of Sepino, Italy | M4.6 | 148 km | 10 km |
| Dec 13, 1998 | 108 km N of Ustica, Italy | M4.6 | 144 km | 473 km |
| Feb 20, 2008 | 3 km W of Belmonte Castello, Italy | M4.6 | 100 km | 9 km |
| Jan 20, 2014 | southern Italy | M4.5 | 133 km | 11 km |
| Feb 27, 2023 | 90 km SSW of Anacapri, Italy | M4.5 | 148 km | 415 km |
| Nov 6, 1997 | 0 km S of Rocca Priora, Italy | M4.5 | 95 km | 10 km |
| Sep 19, 2004 | Tyrrhenian Sea | M4.5 | 68 km | 460 km |
| Jun 27, 2000 | 2 km SSW of Ciciliano, Italy | M4.4 | 113 km | 10 km |
| Oct 21, 1998 | 40 km SSW of Sant'Angelo, Italy | M4.4 | 90 km | 409 km |
| Mar 15, 2020 | 109 km S of Ventotene, Italy | M4.4 | 128 km | 480 km |
| Apr 4, 1997 | 1 km N of Cerreto Sannita, Italy | M4.4 | 140 km | 100 km |
| Jan 1, 2019 | 4 km SSW of Trasacco, Italy | M4.3 | 120 km | 16 km |
| Aug 6, 2009 | 3 km W of Casalvieri, Italy | M4.2 | 98 km | 11 km |
| Aug 21, 2017 | 4 km NNE of Casamicciola Terme, Italy | M4.2 | 83 km | 3 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 | 123 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 123 km |
| 1805 | CAMPANIA | Earthquake | — | — | 141 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Ischia (81 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 81 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 92 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 99 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 123 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 2.8 in | |
| February | 51°F (11°C) | 2.5 in | Coldest |
| March | 53°F (12°C) | 1.9 in | |
| April | 57°F (14°C) | 1.7 in | |
| May | 64°F (18°C) | 0.9 in | |
| June | 71°F (22°C) | 0.6 in | |
| July | 76°F (24°C) | 0.4 in | Driest |
| August | 77°F (25°C) | 0.9 in | Warmest |
| September | 72°F (22°C) | 2.6 in | |
| October | 65°F (19°C) | 4.1 in | |
| November | 58°F (15°C) | 4.7 in | Wettest |
| December | 54°F (12°C) | 3.4 in |
Le Forna has a seasonal temperature swing of 26°F / from 51°F in February to 77°F in August. Total annual precipitation is 26.4 inches, with November being the wettest month (4.7") and July the driest (0.4").