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Weather & Climate in Thérmi, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thérmi enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 318 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 23.8 inches (drier than the 38-inch national average). The city sits at an elevation of 177 feet.
Temperature
49°F Jan (9°C)
83°F Jul (28°C)
| Annual Average | 62.4°F |
| 16% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 177 ft (54 m) |
| Area | 242.0 sq mi (626.8 km²) |
| Population Density | 59/sq mi |
| Coordinates | 40.5471°N, 23.0197°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,384 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 | 121 km | 14 km |
| Mar 3, 2021 | 9 km W of Týrnavos, Greece | M6.3 | 114 km | 8 km |
| Dec 21, 1990 | 14 km WNW of Gouménissa, Greece | M6.1 | 79 km | 13 km |
| Mar 4, 2021 | 11 km E of Verdikoússa, Greece | M5.8 | 114 km | 10 km |
| Mar 12, 2021 | 8 km W of Elassóna, Greece | M5.6 | 108 km | 7 km |
| Mar 4, 2021 | 7 km S of Kraniá Elassónas, Greece | M5.5 | 115 km | 10 km |
| Jan 9, 2022 | 5 km NNW of Flórina, Greece | M5.5 | 141 km | 13 km |
| Jul 23, 1992 | 43 km ESE of Sykiá, Greece | M5.5 | 140 km | 7 km |
| Jan 16, 2022 | 25 km SSE of Karyes, Greece | M5.5 | 127 km | 7 km |
| Jun 7, 2025 | 6 km WNW of Karyes, Greece | M5.4 | 102 km | 10 km |
| May 4, 1995 | 9 km NNW of Palaiochóri, Greece | M5.3 | 51 km | 10 km |
| May 24, 2009 | 11 km WNW of Stathmós Mourión, Greece | M5.3 | 88 km | 0 km |
| Mar 3, 2021 | 5 km WSW of Týrnavos, Greece | M5.3 | 114 km | 10 km |
| Jul 17, 1995 | 7 km S of Siátista, Greece | M5.2 | 132 km | 22 km |
| Aug 22, 2014 | 12 km S of Kassándreia, Greece | M5.2 | 77 km | 14 km |
| May 15, 1995 | 18 km NW of Deskáti, Greece | M5.2 | 129 km | 14 km |
| May 17, 1995 | 17 km WSW of Aianí, Greece | M5.2 | 128 km | 19 km |
| Feb 14, 2012 | 10 km ENE of Sárti, Greece | M5.2 | 102 km | 24 km |
| Jun 9, 2003 | 7 km E of Tsarítsani, Greece | M5.2 | 95 km | 18 km |
| Mar 4, 2012 | 8 km ENE of Sárti, Greece | M5.2 | 99 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 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 | 145 km |
| 1932 | NORTH AEGEAN | Earthquake | 2.0 m | 161 | 75 km |
| 1955 | VOLOS GULF | Earthquake | — | 8 | 128 km |
| 1902 | AEGEAN SEA | Earthquake | — | 5 | 30 km |
| 1585 | NORTH AEGEAN SEA | Earthquake | — | — | 131 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 1.4 in | |
| February | 41°F (5°C) | 1.5 in | |
| March | 46°F (8°C) | 1.5 in | |
| April | 54°F (12°C) | 1.6 in | |
| May | 63°F (17°C) | 1.8 in | |
| June | 71°F (22°C) | 1.4 in | |
| July | 83°F (28°C) | 1.2 in | Warmest |
| August | 74°F (24°C) | 1.0 in | Driest |
| September | 68°F (20°C) | 1.1 in | |
| October | 58°F (14°C) | 1.9 in | |
| November | 48°F (9°C) | 2.2 in | Wettest |
| December | 41°F (5°C) | 1.9 in | Coldest |
Thérmi has a seasonal temperature swing of 42°F / from 41°F in December to 83°F in July. Total annual precipitation is 18.4 inches, with November being the wettest month (2.2") and August the driest (1.0").