All Countries
Weather & Climate in Grassano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grassano enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 45°F in January while summers reach 74°F in July. The area gets 291 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 24.9 inches (drier than the 38-inch national average). The city sits at an elevation of 1,890 feet.
Temperature
45°F Jan (7°C)
74°F Jul (23°C)
| Annual Average | 57.5°F |
| 6% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,890 ft (576 m) |
| Area | 17.4 sq mi (45.0 km²) |
| Population Density | 309/sq mi |
| Coordinates | 40.6346°N, 16.2779°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
534 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| May 5, 1990 | 6 km NE of Avigliano, Italy | M5.8 | 46 km | 10 km |
| Sep 9, 1998 | 2 km NNE of Castelluccio Superiore, Italy | M5.6 | 71 km | 10 km |
| Oct 25, 2012 | 2 km SE of Mormanno, Italy | M5.3 | 87 km | 6 km |
| Apr 17, 2002 | 12 km NNE of Mirto, Italy | M5.3 | 115 km | 5 km |
| Sep 30, 1995 | 3 km S of Ischitella, Italy | M5.2 | 142 km | 25 km |
| May 1, 2023 | 33 km WSW of Cittadella del Capo, Italy | M5.2 | 148 km | 250 km |
| Mar 21, 1994 | 29 km WSW of Scalea, Italy | M5.1 | 121 km | 279 km |
| May 26, 1991 | 3 km E of Avigliano, Italy | M5.1 | 45 km | 8 km |
| Aug 1, 2024 | 2 km S of Bocchigliero, Italy | M5.1 | 144 km | 30 km |
| Oct 16, 2012 | 21 km WSW of Scalea, Italy | M4.9 | 116 km | 260 km |
| Oct 12, 1994 | 29 km S of Marina di Camerota, Italy | M4.8 | 125 km | 21 km |
| Feb 24, 2020 | 2 km E of San Vincenzo la Costa, Italy | M4.8 | 142 km | 10 km |
| Sep 14, 1999 | 23 km SW of Marina di Camerota, Italy | M4.8 | 128 km | 297 km |
| Nov 23, 2009 | 38 km SSW of Marina di Camerota, Italy | M4.8 | 138 km | 294 km |
| Sep 2, 2013 | 43 km SSW of Palinuro, Italy | M4.7 | 148 km | 312 km |
| Apr 3, 1996 | 0 km NNE of Muro Lucano, Italy | M4.7 | 68 km | 10 km |
| Sep 21, 2019 | 4 km WNW of Agropoli, Italy | M4.7 | 116 km | 300 km |
| Aug 31, 1993 | 18 km WSW of Palinuro, Italy | M4.7 | 125 km | 315 km |
| May 29, 2006 | 6 km SE of Carpino, Italy | M4.7 | 133 km | 31 km |
| May 5, 1990 | 1 km W of Pietragalla, Italy | M4.6 | 38 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1836 | ROSSANO | Earthquake | - | 589 | 118 km |
| 1731 | TYRRHENIAN SEA | Earthquake | - | 3,600 | 116 km |
| 1627 | GARGANO PENINSULA | Earthquake | - | 5,000 | 145 km |
| 1562 | REGGIO DI CALABRIA | Earthquake | - | - | 67 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vesuvius (157 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 157 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.4 in | |
| February | 44°F (7°C) | 2.4 in | Coldest |
| March | 48°F (9°C) | 2.2 in | |
| April | 52°F (11°C) | 2.1 in | |
| May | 61°F (16°C) | 1.6 in | |
| June | 68°F (20°C) | 1.1 in | |
| July | 74°F (23°C) | 0.9 in | Driest |
| August | 74°F (23°C) | 1.3 in | Warmest |
| September | 67°F (20°C) | 1.9 in | |
| October | 60°F (15°C) | 2.9 in | |
| November | 51°F (11°C) | 3.1 in | Wettest |
| December | 47°F (8°C) | 3.0 in |
Grassano has a seasonal temperature swing of 30°F / from 44°F in February to 74°F in August. Total annual precipitation is 24.9 inches, with November being the wettest month (3.1") and July the driest (0.9").