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Weather & Climate in Sarno, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sarno enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 46°F in January while summers reach 78°F in July. The area gets 305 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 57.8 inches (wetter than the 38-inch national average). The area receives 3.4 inches of snow annually. The city sits at an elevation of 98 feet.
Temperature
46°F Jan (8°C)
78°F Jul (26°C)
| Annual Average | 59.8°F |
| 11% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 98 ft (30 m) |
| Area | 17.5 sq mi (45.2 km²) |
| Population Density | 1,653/sq mi |
| Coordinates | 40.8075°N, 14.6215°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
616 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 | 111 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 104 km | 10 km |
| May 5, 1990 | 6 km NE of Avigliano, Italy | M5.8 | 96 km | 10 km |
| Sep 9, 1998 | 2 km NNE of Castelluccio Superiore, Italy | M5.6 | 144 km | 10 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 97 km | 401 km |
| May 26, 1991 | 3 km E of Avigliano, Italy | M5.1 | 97 km | 8 km |
| Mar 21, 1994 | 29 km WSW of Scalea, Italy | M5.1 | 138 km | 279 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 147 km | 10 km |
| Oct 16, 2012 | 21 km WSW of Scalea, Italy | M4.9 | 141 km | 260 km |
| Oct 12, 1994 | 29 km S of Marina di Camerota, Italy | M4.8 | 135 km | 21 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 133 km | 11 km |
| Nov 23, 2009 | 38 km SSW of Marina di Camerota, Italy | M4.8 | 139 km | 294 km |
| Sep 14, 1999 | 23 km SW of Marina di Camerota, Italy | M4.8 | 119 km | 297 km |
| Mar 28, 2023 | 2 km NNW of Montagano, Italy | M4.7 | 96 km | 7 km |
| Apr 3, 1996 | 0 km NNE of Muro Lucano, Italy | M4.7 | 74 km | 10 km |
| Aug 31, 1993 | 18 km WSW of Palinuro, Italy | M4.7 | 101 km | 315 km |
| Sep 2, 2013 | 43 km SSW of Palinuro, Italy | M4.7 | 130 km | 312 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 56 km | 300 km |
| Mar 1, 2024 | 21 km W of San Nicola Arcella, Italy | M4.6 | 133 km | 268 km |
| Feb 20, 2008 | 3 km W of Belmonte Castello, Italy | M4.6 | 111 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
7 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 | 17 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 17 km |
| 1805 | CAMPANIA | Earthquake | — | — | 78 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 107 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 120 km |
| 1562 | REGGIO DI CALABRIA | Earthquake | — | — | 82 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 17 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Vesuvius (17 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 17 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 41 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 62 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 191 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 4.3 in | Coldest |
| February | 47°F (8°C) | 3.6 in | |
| March | 50°F (10°C) | 3.1 in | |
| April | 55°F (13°C) | 3.3 in | |
| May | 62°F (17°C) | 2.2 in | |
| June | 69°F (21°C) | 1.2 in | |
| July | 78°F (26°C) | 1.0 in | Warmest, Driest |
| August | 74°F (23°C) | 1.5 in | |
| September | 69°F (20°C) | 3.2 in | |
| October | 61°F (16°C) | 4.7 in | |
| November | 53°F (12°C) | 5.7 in | Wettest |
| December | 48°F (9°C) | 4.7 in |
Sarno has a seasonal temperature swing of 32°F / from 46°F in January to 78°F in July. Total annual precipitation is 38.3 inches, with November being the wettest month (5.7") and July the driest (1.0").