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Weather & Climate in San Nazzaro, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Nazzaro enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 44°F in January while summers reach 79°F in July. The area gets 293 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 33.9 inches. The area receives 2.3 inches of snow annually. The city sits at an elevation of 1,624 feet.
Temperature
44°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 1,624 ft (495 m) |
| Area | 15.9 sq mi (41.3 km²) |
| Population Density | 50/sq mi |
| Coordinates | 41.0517°N, 14.8572°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
683 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 | 82 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 75 km | 10 km |
| May 5, 1990 | 6 km NE of Avigliano, Italy | M5.8 | 82 km | 10 km |
| Sep 9, 1998 | 2 km NNE of Castelluccio Superiore, Italy | M5.6 | 148 km | 10 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 130 km | 401 km |
| Sep 30, 1995 | 3 km S of Ischitella, Italy | M5.2 | 126 km | 25 km |
| May 26, 1991 | 3 km E of Avigliano, Italy | M5.1 | 84 km | 8 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 114 km | 10 km |
| Sep 14, 1999 | 23 km SW of Marina di Camerota, Italy | M4.8 | 139 km | 297 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 130 km | 11 km |
| Aug 31, 1993 | 18 km WSW of Palinuro, Italy | M4.7 | 122 km | 315 km |
| Mar 28, 2023 | 2 km NNW of Montagano, Italy | M4.7 | 70 km | 7 km |
| Apr 3, 1996 | 0 km NNE of Muro Lucano, Italy | M4.7 | 62 km | 10 km |
| Feb 1, 1990 | 10 km NNE of Isole Tremiti, Italy | M4.7 | 141 km | 10 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 76 km | 300 km |
| May 29, 2006 | 6 km SE of Carpino, Italy | M4.7 | 121 km | 31 km |
| Feb 20, 2008 | 3 km W of Belmonte Castello, Italy | M4.6 | 108 km | 9 km |
| Mar 19, 1997 | 1 km SSE of Sepino, Italy | M4.6 | 43 km | 10 km |
| Sep 27, 2012 | 0 km E of Sant'Arcangelo Trimonte, Italy | M4.6 | 15 km | 6 km |
| Mar 1, 2024 | 21 km W of San Nicola Arcella, Italy | M4.6 | 148 km | 268 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 | 44 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 44 km |
| 1805 | CAMPANIA | Earthquake | — | — | 60 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 73 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 86 km |
| 1562 | REGGIO DI CALABRIA | Earthquake | — | — | 82 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 44 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Vesuvius (44 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 44 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 65 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 88 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 3.2 in | Coldest |
| February | 44°F (7°C) | 2.8 in | |
| March | 48°F (9°C) | 2.5 in | |
| April | 53°F (12°C) | 2.6 in | |
| May | 61°F (16°C) | 1.9 in | |
| June | 68°F (20°C) | 1.2 in | |
| July | 79°F (26°C) | 1.1 in | Warmest, Driest |
| August | 73°F (23°C) | 1.5 in | |
| September | 67°F (20°C) | 2.5 in | |
| October | 59°F (15°C) | 3.4 in | |
| November | 51°F (11°C) | 4.2 in | Wettest |
| December | 45°F (7°C) | 3.5 in |
San Nazzaro has a seasonal temperature swing of 36°F / from 44°F in January to 79°F in July. Total annual precipitation is 30.2 inches, with November being the wettest month (4.2") and July the driest (1.1").