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Sísion, Greece
Full City Profile
2.6
/5.0
C+
Fair
1,003
Population
38/sq mi density
46 ft
Elevation
14 meters
61°F
Avg Temperature
16°C
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$21,060 median income, unemployment
Sísion enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 48°F in January while summers reach 75°F in July. The area gets 284 sunny days per year. Annual precipitation totals 28.9 inches. The area receives 0.0 inches of snow annually.
Temperature
48°F Jan (9°C)
75°F Jul (24°C)
| Annual Average | 60.5°F |
| 12% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 284 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 26.3 sq mi (68.0 km²) |
| Population Density | 38/sq mi |
| Coordinates | 35.3077°N, 25.5202°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Tsunami History
13 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 | — | 122 km |
| 1650 | THERA ISLAND (SANTORINI) | Explosion | 30.0 m | 120 | 122 km |
| 2020 | CRETE | Earthquake | 1.0 m | — | 126 km |
| 2000 | CRETE | Eruption + Earthquake | 0.5 m | — | 122 km |
| 2009 | CRETE | Earthquake | 0.3 m | — | 127 km |
| 2025 | ISLAND OF CRETE | Earthquake | 0.1 m | — | 64 km |
| 2013 | CRETE | Earthquake | 0.0 m | — | 111 km |
| 1870 | ALEXANDRIA | Earthquake | — | — | 88 km |
| 1629 | CRETE | Earthquake | — | — | 90 km |
| 1494 | ISLAND OF CRETE | Earthquake | — | — | 22 km |
| 1303 | AEGEAN SEA | Earthquake | — | 4,000 | 139 km |
| 1050 | ISLAND OF THIRA | Astronomical | — | — | 122 km |
| 46 | THERA ISLAND (SANTORINI) | Astronomical | — | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
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 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 5.8 in | Wettest |
| February | 48°F (9°C) | 4.4 in | Coldest |
| March | 51°F (10°C) | 3.5 in | |
| April | 56°F (13°C) | 1.7 in | |
| May | 63°F (17°C) | 0.8 in | |
| June | 71°F (21°C) | 0.3 in | |
| July | 75°F (24°C) | 0.1 in | Warmest |
| August | 74°F (24°C) | 0.1 in | Driest |
| September | 70°F (21°C) | 0.8 in | |
| October | 63°F (17°C) | 3.0 in | |
| November | 56°F (14°C) | 3.3 in | |
| December | 51°F (11°C) | 5.2 in |
Sísion has a seasonal temperature swing of 27°F / from 48°F in February to 75°F in July. Total annual precipitation is 28.9 inches, with January being the wettest month (5.8") and August the driest (0.1").