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Weather & Climate in Ágios Efstrátios, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ágios Efstrátios enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 54°F in January while summers reach 77°F in July. The area gets 323 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 17.1 inches (drier than the 38-inch national average). The area receives 2.0 inches of snow annually. The city sits at an elevation of 30 feet.
Temperature
54°F Jan (12°C)
77°F Jul (25°C)
| Annual Average | 60.4°F |
| 12% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 251.2 sq mi (650.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 39.5389°N, 24.9917°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
3,287 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| May 24, 2014 | 21 km SSW of Kamariótissa, Greece | M6.9 | 90 km | 6 km |
| Jul 26, 2001 | 32 km WNW of Skýros, Greece | M6.5 | 84 km | 10 km |
| Jun 12, 2017 | 5 km S of Plomári, Greece | M6.3 | 136 km | 12 km |
| Nov 14, 1997 | 36 km SSW of Eresós, Greece | M6.0 | 103 km | 18 km |
| Jan 8, 2013 | 47 km ESE of Mýrina, Greece | M5.7 | 49 km | 13 km |
| Jul 6, 2003 | 28 km NNE of Gökçeada, Turkey | M5.7 | 134 km | 17 km |
| Jun 10, 2001 | 6 km NE of Psará, Greece | M5.6 | 119 km | 33 km |
| Jul 23, 1992 | 43 km ESE of Sykiá, Greece | M5.5 | 62 km | 7 km |
| Jan 16, 2022 | 25 km SSE of Karyes, Greece | M5.5 | 78 km | 7 km |
| Jun 7, 2025 | 6 km WNW of Karyes, Greece | M5.4 | 108 km | 10 km |
| Feb 6, 2017 | 25 km WNW of Behram, Turkey | M5.3 | 92 km | 10 km |
| Feb 12, 2017 | 24 km WNW of Behram, Turkey | M5.3 | 94 km | 6 km |
| Jul 6, 2003 | 30 km NE of Gökçeada, Turkey | M5.3 | 138 km | 17 km |
| Feb 7, 2017 | 18 km NNW of Míthymna, Greece | M5.3 | 95 km | 8 km |
| Feb 1, 2021 | 11 km SW of Polichnítos, Greece | M5.2 | 110 km | 10 km |
| Mar 4, 2012 | 8 km ENE of Sárti, Greece | M5.2 | 104 km | 3 km |
| Aug 22, 2014 | 12 km S of Kassándreia, Greece | M5.2 | 141 km | 14 km |
| Jun 15, 2004 | 26 km N of Gökçeada, Turkey | M5.2 | 125 km | 12 km |
| Feb 14, 2012 | 10 km ENE of Sárti, Greece | M5.2 | 101 km | 24 km |
| Feb 6, 2017 | 23 km WNW of Behram, Turkey | M5.2 | 93 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1905 | NORTH AEGEAN SEA | Eruption + Earthquake | 3.0 m | 11 | 69 km |
| 1932 | NORTH AEGEAN | Earthquake | 2.0 m | 161 | 142 km |
| 1968 | LEMNOS ISLAND, NORTH AEGEAN SEA | Earthquake | 1.2 m | 22 | 19 km |
| 1893 | SAMOTHRACE | Earthquake | 1.0 m | 1 | 115 km |
| 2017 | LESBOS | Earthquake | 0.2 m | 1 | 136 km |
| 2014 | NORTH AEGEAN SEA | Earthquake | 0.2 m | 3 | 90 km |
| 1965 | AEGEAN SEA | Earthquake | — | 38 | 87 km |
| 1944 | EDREMIT GULF, AEGEAN SEA | Earthquake | — | 30 | 137 km |
| 1867 | LESBOS | Earthquake | — | 563 | 127 km |
| 1585 | NORTH AEGEAN SEA | Earthquake | — | — | 85 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 3.3 in | |
| February | 47°F (8°C) | 2.6 in | Coldest |
| March | 50°F (10°C) | 2.2 in | |
| April | 56°F (14°C) | 1.3 in | |
| May | 64°F (18°C) | 1.0 in | |
| June | 73°F (23°C) | 0.6 in | |
| July | 77°F (25°C) | 0.4 in | Warmest |
| August | 76°F (25°C) | 0.3 in | Driest |
| September | 70°F (21°C) | 0.7 in | |
| October | 63°F (17°C) | 1.5 in | |
| November | 55°F (13°C) | 2.6 in | |
| December | 49°F (10°C) | 3.6 in | Wettest |
Ágios Efstrátios has a seasonal temperature swing of 30°F / from 47°F in February to 77°F in July. Total annual precipitation is 20.1 inches, with December being the wettest month (3.6") and August the driest (0.3").