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Weather & Climate in Irákleion, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Irákleion enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 51°F in January while summers reach 77°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 24.5 inches (drier than the 38-inch national average). The city sits at an elevation of 197 feet.
Temperature
51°F Jan (11°C)
77°F Jul (25°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 197 ft (60 m) |
| Area | 42.1 sq mi (109.0 km²) |
| Population Density | 3,258/sq mi |
| Coordinates | 35.3279°N, 25.1434°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,973 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| May 2, 2020 | 91 km S of Néa Anatolí, Greece | M6.5 | 138 km | 10 km |
| Jul 1, 2009 | 95 km S of Néa Anatolí, Greece | M6.4 | 133 km | 19 km |
| Jun 15, 2013 | 68 km S of Pýrgos, Greece | M6.2 | 104 km | 10 km |
| Jan 22, 2002 | 49 km NW of Fry, Greece | M6.2 | 143 km | 88 km |
| May 22, 2025 | 66 km SE of Emporeío, Greece | M6.2 | 94 km | 64 km |
| May 23, 1994 | 15 km NNE of Pánormos, Greece | M6.1 | 46 km | 76 km |
| Jun 16, 2013 | 73 km S of Pýrgos, Greece | M6.0 | 109 km | 19 km |
| Apr 1, 2011 | 42 km NW of Fry, Greece | M6.0 | 134 km | 60 km |
| Apr 30, 1992 | 39 km ESE of Palekastro, Greece | M5.8 | 141 km | 20 km |
| Feb 28, 2011 | 22 km W of Néa Anatolí, Greece | M5.7 | 46 km | 53 km |
| May 18, 2020 | 92 km S of Néa Anatolí, Greece | M5.7 | 132 km | 10 km |
| Mar 19, 1991 | 42 km S of Palekastro, Greece | M5.6 | 122 km | 23 km |
| Dec 7, 1995 | 4 km SSE of Kastrí, Greece | M5.6 | 112 km | 33 km |
| Mar 28, 2008 | 32 km SSE of Pýrgos, Greece | M5.6 | 66 km | 45 km |
| Sep 12, 2012 | 6 km SSE of Kastrí, Greece | M5.5 | 112 km | 32 km |
| Feb 11, 2010 | 113 km S of Pýrgos, Greece | M5.5 | 149 km | 14 km |
| Apr 5, 2000 | 87 km S of Néa Anatolí, Greece | M5.5 | 133 km | 38 km |
| Jun 3, 2020 | 76 km S of Ierápetra, Greece | M5.4 | 130 km | 10 km |
| Apr 24, 2010 | 66 km SSE of Ierápetra, Greece | M5.4 | 126 km | 35 km |
| Oct 12, 2002 | 48 km SSE of Palekastro, Greece | M5.4 | 128 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
12 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 | — | 121 km |
| 1650 | THERA ISLAND (SANTORINI) | Explosion | 30.0 m | 120 | 122 km |
| 2020 | CRETE | Earthquake | 1.0 m | — | 138 km |
| 2000 | CRETE | Eruption + Earthquake | 0.5 m | — | 133 km |
| 2009 | CRETE | Earthquake | 0.3 m | — | 133 km |
| 2025 | ISLAND OF CRETE | Earthquake | 0.1 m | — | 84 km |
| 2013 | CRETE | Earthquake | 0.0 m | — | 104 km |
| 1870 | ALEXANDRIA | Earthquake | — | — | 108 km |
| 1629 | CRETE | Earthquake | — | — | 76 km |
| 1494 | ISLAND OF CRETE | Earthquake | — | — | 38 km |
| 1050 | ISLAND OF THIRA | Astronomical | — | — | 122 km |
| 46 | THERA ISLAND (SANTORINI) | Astronomical | — | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Santorini (122 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 122 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 4.8 in | Coldest, Wettest |
| February | 52°F (11°C) | 3.6 in | |
| March | 54°F (12°C) | 3.1 in | |
| April | 60°F (15°C) | 1.3 in | |
| May | 66°F (19°C) | 0.6 in | |
| June | 74°F (23°C) | 0.2 in | |
| July | 77°F (25°C) | 0.1 in | Warmest |
| August | 77°F (25°C) | 0.0 in | Driest |
| September | 73°F (23°C) | 0.7 in | |
| October | 66°F (19°C) | 2.7 in | |
| November | 59°F (15°C) | 3.1 in | |
| December | 54°F (12°C) | 4.3 in |
Irákleion has a seasonal temperature swing of 26°F / from 51°F in January to 77°F in July. Total annual precipitation is 24.5 inches, with January being the wettest month (4.8") and August the driest (0.0").