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Weather & Climate in Ólynthos, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ólynthos enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 42°F in January while summers reach 78°F in July. The area gets 303 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 18.2 inches (drier than the 38-inch national average). The city sits at an elevation of 102 feet.
Temperature
42°F Jan (6°C)
78°F Jul (26°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 303 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 1,389/sq mi |
| Coordinates | 40.2915°N, 23.3421°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,437 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| May 13, 1995 | 10 km W of Aianí, Greece | M6.6 | 141 km | 14 km |
| Mar 3, 2021 | 9 km W of Týrnavos, Greece | M6.3 | 116 km | 8 km |
| Dec 21, 1990 | 14 km WNW of Gouménissa, Greece | M6.1 | 118 km | 13 km |
| Mar 4, 2021 | 11 km E of Verdikoússa, Greece | M5.8 | 119 km | 10 km |
| Mar 12, 2021 | 8 km W of Elassóna, Greece | M5.6 | 116 km | 7 km |
| Jul 23, 1992 | 43 km ESE of Sykiá, Greece | M5.5 | 102 km | 7 km |
| Jan 16, 2022 | 25 km SSE of Karyes, Greece | M5.5 | 91 km | 7 km |
| Mar 4, 2021 | 7 km S of Kraniá Elassónas, Greece | M5.5 | 125 km | 10 km |
| Jun 7, 2025 | 6 km WNW of Karyes, Greece | M5.4 | 70 km | 10 km |
| May 4, 1995 | 9 km NNW of Palaiochóri, Greece | M5.3 | 39 km | 10 km |
| May 24, 2009 | 11 km WNW of Stathmós Mourión, Greece | M5.3 | 124 km | 0 km |
| Mar 3, 2021 | 5 km WSW of Týrnavos, Greece | M5.3 | 114 km | 10 km |
| Jun 9, 2003 | 7 km E of Tsarítsani, Greece | M5.2 | 98 km | 18 km |
| Aug 22, 2014 | 12 km S of Kassándreia, Greece | M5.2 | 40 km | 14 km |
| May 15, 1995 | 18 km NW of Deskáti, Greece | M5.2 | 146 km | 14 km |
| Mar 4, 2012 | 8 km ENE of Sárti, Greece | M5.2 | 63 km | 3 km |
| May 17, 1995 | 17 km WSW of Aianí, Greece | M5.2 | 147 km | 19 km |
| Feb 14, 2012 | 10 km ENE of Sárti, Greece | M5.2 | 66 km | 24 km |
| Oct 11, 2017 | 32 km E of Patitírion, Greece | M5.1 | 147 km | 12 km |
| Mar 3, 2021 | 11 km NNE of Grizáno, Greece | M5.1 | 122 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 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 | 111 km |
| 1932 | NORTH AEGEAN | Earthquake | 2.0 m | 161 | 53 km |
| 1965 | AEGEAN SEA | Earthquake | — | 38 | 114 km |
| 1955 | VOLOS GULF | Earthquake | — | 8 | 101 km |
| 1902 | AEGEAN SEA | Earthquake | — | 5 | 52 km |
| 1585 | NORTH AEGEAN SEA | Earthquake | — | — | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 1.7 in | Coldest |
| February | 44°F (7°C) | 1.5 in | |
| March | 49°F (10°C) | 1.6 in | |
| April | 57°F (14°C) | 1.5 in | |
| May | 66°F (19°C) | 1.6 in | |
| June | 74°F (23°C) | 1.2 in | |
| July | 78°F (26°C) | 1.0 in | Warmest |
| August | 77°F (25°C) | 0.8 in | Driest |
| September | 70°F (21°C) | 0.9 in | |
| October | 61°F (16°C) | 1.9 in | |
| November | 51°F (11°C) | 2.3 in | Wettest |
| December | 45°F (7°C) | 2.1 in |
Ólynthos has a seasonal temperature swing of 36°F / from 42°F in January to 78°F in July. Total annual precipitation is 18.2 inches, with November being the wettest month (2.3") and August the driest (0.8").