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Weather & Climate in Ornós, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ornós enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 53°F in January while summers reach 78°F in July. The area gets 307 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 16.0 inches (drier than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
53°F Jan (12°C)
78°F Jul (26°C)
| Annual Average | 64.7°F |
| 20% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 109.2 sq mi (282.9 km²) |
| Population Density | 9/sq mi |
| Coordinates | 37.4239°N, 25.3225°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
1,521 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| May 21, 2002 | 18 km SW of Adámas, Greece | M5.9 | 129 km | 97 km |
| Apr 4, 2014 | 36 km ESE of Ýdra, Greece | M5.6 | 129 km | 107 km |
| Jun 10, 2001 | 6 km NE of Psará, Greece | M5.6 | 131 km | 33 km |
| Aug 31, 2022 | 14 km NW of Megálo Chorió, Greece | M5.4 | 136 km | 11 km |
| Feb 10, 2025 | 26 km SW of Amorgós, Greece | M5.3 | 87 km | 10 km |
| Feb 4, 2025 | 21 km NE of Firá, Greece | M5.3 | 100 km | 14 km |
| Mar 20, 1992 | 9 km SE of Adámas, Greece | M5.2 | 111 km | 14 km |
| Feb 9, 2025 | 30 km SW of Amorgós, Greece | M5.2 | 89 km | 10 km |
| Feb 10, 2025 | 28 km NE of Firá, Greece | M5.1 | 93 km | 10 km |
| Jun 20, 2009 | 4 km SW of Chóra, Greece | M5.1 | 139 km | 12 km |
| Apr 26, 2023 | 13 km SSW of Astyp?laia, Greece | M5.1 | 142 km | 117 km |
| Feb 12, 2025 | 15 km NE of Oía, Greece | M5.1 | 98 km | 10 km |
| Feb 5, 2025 | 28 km NE of Firá, Greece | M5.1 | 94 km | 10 km |
| Feb 17, 2025 | 27 km ESE of Íos, Greece | M5.0 | 87 km | 10 km |
| Feb 18, 2025 | 20 km SSW of Amorgós, Greece | M5.0 | 97 km | 10 km |
| Feb 3, 2025 | 28 km SW of Amorgós, Greece | M5.0 | 94 km | 10 km |
| Feb 4, 2025 | 29 km SW of Amorgós, Greece | M5.0 | 91 km | 10 km |
| Feb 8, 2025 | 24 km NE of Firá, Greece | M4.9 | 97 km | 10 km |
| Feb 3, 2025 | 21 km NE of Firá, Greece | M4.9 | 102 km | 10 km |
| Oct 1, 1993 | 42 km WSW of Mílos, Greece | M4.9 | 149 km | 88 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| -1610 | THERA ISLAND (SANTORINI) | Astronomical | 90.0 m | — | 114 km |
| 1650 | THERA ISLAND (SANTORINI) | Explosion | 30.0 m | 120 | 114 km |
| 1956 | CYCLADES | Eruption + Earthquake | 20.0 m | 56 | 102 km |
| 1956 | AMORGOS ISLAND, AEGEAN ISLANDS | Earthquake | 10.0 m | — | 71 km |
| 2020 | AEGEAN SEA | Earthquake | 5.3 m | 118 | 139 km |
| 1856 | CHIOS ISLAND, AEGEAN ISLANDS | Earthquake | — | — | 145 km |
| 1389 | CHIOS ISLAND, AEGEAN ISLANDS | Earthquake | — | 2 | 138 km |
| 1050 | ISLAND OF THIRA | Astronomical | — | — | 114 km |
| 46 | THERA ISLAND (SANTORINI) | Astronomical | — | — | 114 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Milos (112 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 112 km |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 114 km |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 177 km |
| Nisyros | Stratovolcano | 698 m (2,290 ft) | 1888 | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 2.9 in | Wettest |
| February | 53°F (12°C) | 2.5 in | Coldest |
| March | 55°F (13°C) | 2.1 in | |
| April | 60°F (16°C) | 0.9 in | |
| May | 67°F (19°C) | 0.4 in | |
| June | 74°F (24°C) | 0.1 in | |
| July | 78°F (26°C) | 0.0 in | Driest |
| August | 78°F (26°C) | 0.1 in | Warmest |
| September | 73°F (23°C) | 0.2 in | |
| October | 68°F (20°C) | 1.5 in | |
| November | 61°F (16°C) | 2.3 in | |
| December | 56°F (13°C) | 2.9 in |
Ornós has a seasonal temperature swing of 25°F / from 53°F in February to 78°F in August. Total annual precipitation is 16.0 inches, with January being the wettest month (2.9") and July the driest (0.0").