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Weather & Climate in Pérni, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pérni experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 37°F in January while summers reach 72°F in July. The area gets 294 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 23.3 inches (drier than the 38-inch national average). The city sits at an elevation of 246 feet.
Temperature
37°F Jan (3°C)
72°F Jul (22°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 246 ft (75 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 3,093/sq mi |
| Coordinates | 41.0005°N, 24.6363°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
1,515 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| May 24, 2014 | 21 km SSW of Kamariótissa, Greece | M6.9 | 101 km | 6 km |
| Jul 6, 2003 | 28 km NNE of Gökçeada, Turkey | M5.7 | 132 km | 17 km |
| Jan 16, 2022 | 25 km SSE of Karyes, Greece | M5.5 | 109 km | 7 km |
| Jul 23, 1992 | 43 km ESE of Sykiá, Greece | M5.5 | 130 km | 7 km |
| Jun 7, 2025 | 6 km WNW of Karyes, Greece | M5.4 | 90 km | 10 km |
| May 4, 1995 | 9 km NNW of Palaiochóri, Greece | M5.3 | 98 km | 10 km |
| Jul 6, 2003 | 30 km NE of Gökçeada, Turkey | M5.3 | 141 km | 17 km |
| Mar 4, 2012 | 8 km ENE of Sárti, Greece | M5.2 | 108 km | 3 km |
| Feb 14, 2012 | 10 km ENE of Sárti, Greece | M5.2 | 107 km | 24 km |
| Jun 15, 2004 | 26 km N of Gökçeada, Turkey | M5.2 | 121 km | 12 km |
| Feb 7, 2023 | 4 km SSW of Níkiti, Greece | M4.9 | 124 km | 10 km |
| Apr 21, 2018 | 3 km ESE of Pefkochóri, Greece | M4.9 | 142 km | 10 km |
| Feb 15, 2025 | 12 km E of Ouranoupolis, Greece | M4.9 | 85 km | 14 km |
| May 25, 2014 | Western Turkey | M4.9 | 142 km | 13 km |
| Sep 4, 2014 | 29 km NNW of Mýrina, Greece | M4.9 | 102 km | 12 km |
| Sep 22, 2024 | 10 km NNE of Karyes, Greece | M4.8 | 79 km | 10 km |
| Sep 9, 1999 | 10 km NW of Gökçeada, Turkey | M4.8 | 129 km | 5 km |
| Oct 12, 1991 | 22 km W of Gökçeada, Turkey | M4.8 | 123 km | 12 km |
| Jul 9, 2003 | 17 km N of Gökçeada, Turkey | M4.8 | 131 km | 18 km |
| May 24, 2014 | 25 km ESE of Sárti, Greece | M4.8 | 114 km | 14 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 | 101 km |
| 1932 | NORTH AEGEAN | Earthquake | 2.0 m | 161 | 83 km |
| 1893 | SAMOTHRACE | Earthquake | 1.0 m | 1 | 92 km |
| 2014 | NORTH AEGEAN SEA | Earthquake | 0.2 m | 3 | 102 km |
| 1902 | AEGEAN SEA | Earthquake | — | 5 | 120 km |
| 1585 | NORTH AEGEAN SEA | Earthquake | — | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 2.4 in | Coldest |
| February | 38°F (3°C) | 1.9 in | |
| March | 43°F (6°C) | 2.1 in | |
| April | 51°F (11°C) | 1.8 in | |
| May | 60°F (15°C) | 2.0 in | |
| June | 67°F (20°C) | 2.1 in | |
| July | 72°F (22°C) | 1.4 in | Warmest |
| August | 71°F (22°C) | 0.9 in | Driest |
| September | 64°F (18°C) | 1.1 in | |
| October | 55°F (13°C) | 2.0 in | |
| November | 46°F (8°C) | 2.7 in | |
| December | 40°F (4°C) | 2.9 in | Wettest |
Pérni has a seasonal temperature swing of 35°F / from 37°F in January to 72°F in July. Total annual precipitation is 23.3 inches, with December being the wettest month (2.9") and August the driest (0.9").