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Weather & Climate in Tolfa, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tolfa enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 45°F in January while summers reach 74°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 14.8 inches (drier than the 38-inch national average). The city sits at an elevation of 1,588 feet.
Temperature
45°F Jan (7°C)
74°F Jul (23°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 1,588 ft (484 m) |
| Area | 108.1 sq mi (280.0 km²) |
| Population Density | 41/sq mi |
| Coordinates | 42.1502°N, 11.9322°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,101 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 | 117 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 121 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 126 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 118 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 126 km | 10 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 114 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 126 km | 3 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 120 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 127 km | 15 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 124 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 149 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 122 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 119 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 115 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 125 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 129 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 122 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 117 km | 7 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 122 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 124 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (50 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 50 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 79 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 1.9 in | Coldest |
| February | 46°F (8°C) | 1.5 in | |
| March | 49°F (10°C) | 1.1 in | |
| April | 53°F (12°C) | 1.3 in | |
| May | 61°F (16°C) | 0.9 in | |
| June | 68°F (20°C) | 0.5 in | |
| July | 74°F (23°C) | 0.2 in | Driest |
| August | 75°F (24°C) | 0.7 in | Warmest |
| September | 69°F (20°C) | 1.3 in | |
| October | 61°F (16°C) | 1.9 in | Wettest |
| November | 52°F (11°C) | 1.9 in | |
| December | 47°F (8°C) | 1.6 in |
Tolfa has a seasonal temperature swing of 29°F / from 45°F in January to 75°F in August. Total annual precipitation is 14.8 inches, with October being the wettest month (1.9") and July the driest (0.2").