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Weather & Climate in Giánnouli, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Giánnouli enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 79°F in July. The area gets 304 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 17.4 inches (drier than the 38-inch national average). The city sits at an elevation of 246 feet.
Temperature
41°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 59.2°F |
| 10% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 246 ft (75 m) |
| Area | 24.2 sq mi (62.7 km²) |
| Population Density | 326/sq mi |
| Coordinates | 39.6672°N, 22.3960°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
4,697 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 | 80 km | 14 km |
| Jun 15, 1995 | 8 km WNW of Galaxídhion, Greece | M6.5 | 141 km | 14 km |
| Mar 3, 2021 | 9 km W of Týrnavos, Greece | M6.3 | 21 km | 8 km |
| Dec 21, 1990 | 14 km WNW of Gouménissa, Greece | M6.1 | 149 km | 13 km |
| Mar 18, 1993 | 11 km NNE of Témeni, Greece | M5.8 | 149 km | 59 km |
| Mar 4, 2021 | 11 km E of Verdikoússa, Greece | M5.8 | 27 km | 10 km |
| Nov 5, 1997 | 10 km NW of Galaxídhion, Greece | M5.6 | 137 km | 24 km |
| Mar 12, 2021 | 8 km W of Elassóna, Greece | M5.6 | 36 km | 7 km |
| Mar 4, 2021 | 7 km S of Kraniá Elassónas, Greece | M5.5 | 43 km | 10 km |
| Jan 18, 2010 | 11 km E of Náfpaktos, Greece | M5.5 | 145 km | 1 km |
| Feb 17, 2021 | 11 km N of Kamárai, Greece | M5.5 | 144 km | 5 km |
| Jun 15, 1995 | 3 km E of Galaxídhion, Greece | M5.4 | 143 km | 10 km |
| Jan 22, 2010 | 14 km NNE of Kamárai, Greece | M5.4 | 142 km | 5 km |
| Aug 7, 2013 | 9 km NW of Eláteia, Greece | M5.3 | 112 km | 0 km |
| Nov 4, 1993 | 8 km N of Kamárai, Greece | M5.3 | 148 km | 17 km |
| May 4, 1995 | 9 km NNW of Palaiochóri, Greece | M5.3 | 145 km | 10 km |
| Jun 9, 2015 | 13 km E of Malesína, Greece | M5.3 | 145 km | 13 km |
| Sep 16, 2013 | 9 km NNW of Eláteia, Greece | M5.3 | 111 km | 8 km |
| Mar 30, 2019 | 2 km SE of Galaxídhion, Greece | M5.3 | 145 km | 10 km |
| Mar 3, 2021 | 5 km WSW of Týrnavos, Greece | M5.3 | 16 km | 10 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 | 143 km |
| 1894 | NORTH EVOIKOS GULF | Eruption + Earthquake | 3.0 m | — | 124 km |
| 1996 | W. CORINTH GULF | Meteorological | 2.0 m | — | 147 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 141 km |
| 1992 | CORINTH GULF | Earthquake | — | — | 146 km |
| 1965 | AEGEAN SEA | Earthquake | — | 38 | 141 km |
| 1955 | VOLOS GULF | Earthquake | — | 8 | 67 km |
| 1902 | AEGEAN SEA | Earthquake | — | 5 | 141 km |
| -426 | CORINTHOS-PATRAS GULF | Earthquake | — | 2,500 | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.4 in | Coldest |
| February | 43°F (6°C) | 1.6 in | |
| March | 48°F (9°C) | 1.6 in | |
| April | 56°F (14°C) | 1.5 in | |
| May | 66°F (19°C) | 1.6 in | |
| June | 75°F (24°C) | 0.9 in | |
| July | 79°F (26°C) | 0.8 in | Warmest |
| August | 77°F (25°C) | 0.8 in | Driest |
| September | 71°F (21°C) | 1.0 in | |
| October | 61°F (16°C) | 1.9 in | |
| November | 51°F (10°C) | 2.4 in | Wettest |
| December | 43°F (6°C) | 1.9 in |
Giánnouli has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in July. Total annual precipitation is 17.4 inches, with November being the wettest month (2.4") and August the driest (0.8").