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Weather & Climate in Grizáno, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grizáno enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 44°F in January while summers reach 85°F in July. The area gets 317 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 52.9 inches (wetter than the 38-inch national average). The area receives 1.2 inches of snow annually. The city sits at an elevation of 453 feet.
Temperature
44°F Jan (6°C)
85°F Jul (29°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 453 ft (138 m) |
| Area | 191.4 sq mi (495.8 km²) |
| Population Density | 8/sq mi |
| Coordinates | 39.6319°N, 22.0526°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
5,522 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 | 65 km | 14 km |
| Jun 15, 1995 | 8 km WNW of Galaxídhion, Greece | M6.5 | 138 km | 14 km |
| Mar 3, 2021 | 9 km W of Týrnavos, Greece | M6.3 | 17 km | 8 km |
| Aug 14, 2003 | 8 km S of Kanaláki, Greece | M6.3 | 135 km | 10 km |
| Mar 18, 1993 | 11 km NNE of Témeni, Greece | M5.8 | 144 km | 59 km |
| Mar 4, 2021 | 11 km E of Verdikoússa, Greece | M5.8 | 18 km | 10 km |
| Mar 21, 2020 | 14 km NNE of Kanaláki, Greece | M5.7 | 125 km | 10 km |
| Nov 5, 1997 | 10 km NW of Galaxídhion, Greece | M5.6 | 134 km | 24 km |
| Mar 12, 2021 | 8 km W of Elassóna, Greece | M5.6 | 29 km | 7 km |
| May 26, 2000 | 10 km WSW of Préveza, Greece | M5.6 | 145 km | 0 km |
| Jun 16, 1990 | 6 km WNW of Kanaláki, Greece | M5.6 | 137 km | 32 km |
| Jan 18, 2010 | 11 km E of Náfpaktos, Greece | M5.5 | 137 km | 1 km |
| Mar 4, 2021 | 7 km S of Kraniá Elassónas, Greece | M5.5 | 28 km | 10 km |
| Feb 17, 2021 | 11 km N of Kamárai, Greece | M5.5 | 136 km | 5 km |
| Oct 15, 2016 | 7 km WSW of Asprángeloi, Greece | M5.5 | 122 km | 22 km |
| Jan 9, 2022 | 5 km NNW of Flórina, Greece | M5.5 | 144 km | 13 km |
| Jan 22, 2010 | 14 km NNE of Kamárai, Greece | M5.4 | 135 km | 5 km |
| Feb 5, 2019 | 16 km SW of Néos Oropós, Greece | M5.4 | 142 km | 8 km |
| Jun 15, 1995 | 3 km E of Galaxídhion, Greece | M5.4 | 143 km | 10 km |
| Jul 26, 1996 | Greece-Albania border region | M5.3 | 129 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
13 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | CORINTH GULF | Meteorological | 6.0 m | 2 | 147 km |
| 1817 | CORINTHOS-PATRAS GULF | Earthquake | 5.0 m | - | 148 km |
| 1965 | NORTH CORINTH GULF | Eruption + Earthquake | 3.0 m | 2 | 145 km |
| 1894 | NORTH EVOIKOS GULF | Eruption + Earthquake | 3.0 m | - | 137 km |
| 1996 | W. CORINTH GULF | Meteorological | 2.0 m | - | 141 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 138 km |
| 2003 | IONIAN SEA | Earthquake | 0.5 m | - | 135 km |
| 1992 | CORINTH GULF | Earthquake | - | - | 149 km |
| 1984 | CORINTHOS GULF, GREECE | Eruption + Earthquake | - | - | 147 km |
| 1955 | VOLOS GULF | Earthquake | - | 8 | 94 km |
| 1794 | CORINTH GULF | Eruption + Earthquake | - | - | 150 km |
| 1748 | CORINTHOS-PATRAS GULF | Earthquake | - | - | 148 km |
| -426 | CORINTHOS-PATRAS GULF | Earthquake | - | 2,500 | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 2.2 in | Coldest |
| February | 44°F (6°C) | 2.3 in | |
| March | 49°F (9°C) | 2.3 in | |
| April | 57°F (14°C) | 1.9 in | |
| May | 65°F (18°C) | 1.6 in | |
| June | 74°F (23°C) | 1.0 in | |
| July | 85°F (29°C) | 0.8 in | Warmest |
| August | 78°F (25°C) | 0.7 in | Driest |
| September | 71°F (22°C) | 1.2 in | |
| October | 62°F (17°C) | 2.5 in | |
| November | 51°F (11°C) | 3.1 in | Wettest |
| December | 44°F (6°C) | 2.9 in |
Grizáno has a seasonal temperature swing of 41°F / from 44°F in January to 85°F in July. Total annual precipitation is 22.4 inches, with November being the wettest month (3.1") and August the driest (0.7").