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Weather & Climate in Anávyssos, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Anávyssos enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 49°F in January while summers reach 81°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 16.1 inches (drier than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
49°F Jan (10°C)
81°F Jul (27°C)
| Annual Average | 63.8°F |
| 18% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 9.3 sq mi (24.0 km²) |
| Population Density | 670/sq mi |
| Coordinates | 37.7341°N, 23.9439°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,581 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Jul 26, 2001 | 32 km WNW of Skýros, Greece | M6.5 | 150 km | 10 km |
| Jan 6, 2008 | 15 km WNW of Leonídio, Greece | M6.2 | 125 km | 75 km |
| Sep 7, 1999 | 5 km WNW of Fylí, Greece | M6.0 | 52 km | 10 km |
| Nov 18, 1992 | 10 km SE of Galaxídhion, Greece | M5.9 | 145 km | 15 km |
| May 21, 2002 | 18 km SW of Adámas, Greece | M5.9 | 127 km | 97 km |
| Aug 29, 2014 | 59 km E of Géfyra, Greece | M5.8 | 119 km | 80 km |
| Apr 4, 2014 | 36 km ESE of Ýdra, Greece | M5.6 | 51 km | 107 km |
| Jul 19, 2019 | 1 km NNE of Magoúla, Greece | M5.3 | 54 km | 10 km |
| Jun 9, 2015 | 13 km E of Malesína, Greece | M5.3 | 110 km | 13 km |
| Mar 20, 1992 | 9 km SE of Adámas, Greece | M5.2 | 130 km | 14 km |
| Jun 18, 2008 | 4 km NNW of Ayía Triás, Greece | M5.1 | 103 km | 83 km |
| Oct 9, 2010 | 14 km NE of Xylókastro, Greece | M5.1 | 116 km | 11 km |
| May 27, 2025 | 13 km S of Antikyra, Greece | M5.0 | 128 km | 23 km |
| Sep 22, 2012 | 8 km NNE of Káto Dhiminió, Greece | M5.0 | 111 km | 10 km |
| Feb 4, 1993 | 15 km S of Antikyra, Greece | M5.0 | 125 km | 32 km |
| Oct 1, 1993 | 42 km WSW of Mílos, Greece | M4.9 | 122 km | 88 km |
| Dec 4, 2012 | 21 km NNE of Sykiá, Greece | M4.9 | 118 km | 7 km |
| May 17, 2009 | 6 km NE of Xylókastro, Greece | M4.9 | 118 km | 19 km |
| Nov 27, 2013 | 14 km W of Pórto Chéli, Greece | M4.8 | 97 km | 37 km |
| Apr 28, 2013 | 5 km NNW of Ástros, Greece | M4.8 | 114 km | 58 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1965 | NORTH CORINTH GULF | Eruption + Earthquake | 3.0 m | 2 | 142 km |
| 1894 | NORTH EVOIKOS GULF | Eruption + Earthquake | 3.0 m | — | 130 km |
| 1981 | GULF OF CORINTH | Earthquake | 1.3 m | — | 78 km |
| 1981 | ATHENS-EASTERN GULF OF CORINTH | Earthquake | 1.0 m | 22 | 104 km |
| 1928 | CORINTHOS-PATRAS GULF | Earthquake | 0.6 m | 20 | 88 km |
| 1992 | CORINTH GULF | Earthquake | — | — | 137 km |
| 1926 | ARGOLIKOS GULF | Earthquake | — | — | 149 km |
| 1853 | CENTRAL GREECE (EVOIKOS GULF) | Earthquake | — | 17 | 69 km |
| 1402 | GULF OF CORINTH | Earthquake | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Methana (55 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 55 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 123 km |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 2.2 in | Coldest |
| February | 50°F (10°C) | 2.1 in | |
| March | 53°F (12°C) | 2.1 in | |
| April | 59°F (15°C) | 1.1 in | |
| May | 68°F (20°C) | 0.6 in | |
| June | 76°F (25°C) | 0.3 in | |
| July | 81°F (27°C) | 0.2 in | Warmest, Driest |
| August | 80°F (27°C) | 0.2 in | |
| September | 74°F (23°C) | 0.4 in | |
| October | 66°F (19°C) | 1.8 in | |
| November | 58°F (14°C) | 2.4 in | |
| December | 52°F (11°C) | 2.8 in | Wettest |
Anávyssos has a seasonal temperature swing of 31°F / from 49°F in January to 81°F in July. Total annual precipitation is 16.2 inches, with December being the wettest month (2.8") and July the driest (0.2").