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Weather & Climate in Collefontana-Fontana Liri Inferiore, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Collefontana-Fontana Liri Inferiore enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 79°F in July. The area gets 309 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 43.0 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 505 feet.
Temperature
43°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 505 ft (154 m) |
| Area | 14.4 sq mi (37.4 km²) |
| Population Density | 176/sq mi |
| Coordinates | 41.6117°N, 13.5495°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
777 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 | 82 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 127 km | 4 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 112 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 111 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 113 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 141 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 112 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 74 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 99 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 120 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 108 km | 7 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 102 km | 3 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 95 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 100 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 86 km | 10 km |
| Apr 7, 2009 | 1 km SW of L'Aquila, Italy | M4.8 | 82 km | 10 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 100 km | 10 km |
| Aug 26, 2016 | 2 km S of Amatrice, Italy | M4.8 | 112 km | 11 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 12 km | 11 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 93 km | 5 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 | 115 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 115 km |
| 1805 | CAMPANIA | Earthquake | — | — | 77 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (72 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 72 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 100 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 102 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 115 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.6 in | Coldest |
| February | 44°F (7°C) | 3.4 in | |
| March | 48°F (9°C) | 3.0 in | |
| April | 53°F (12°C) | 3.5 in | |
| May | 61°F (16°C) | 2.4 in | |
| June | 68°F (20°C) | 1.7 in | |
| July | 79°F (26°C) | 1.5 in | Warmest, Driest |
| August | 74°F (23°C) | 2.2 in | |
| September | 68°F (20°C) | 3.5 in | |
| October | 59°F (15°C) | 4.8 in | |
| November | 50°F (10°C) | 5.8 in | Wettest |
| December | 44°F (7°C) | 4.7 in |
Collefontana-Fontana Liri Inferiore has a seasonal temperature swing of 36°F / from 43°F in January to 79°F in July. Total annual precipitation is 40.0 inches, with November being the wettest month (5.8") and July the driest (1.5").