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Weather & Climate in Güvemalanı, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Güvemalanı enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 41°F in January while summers reach 73°F in July. The area gets 288 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 26.7 inches (drier than the 38-inch national average). The city sits at an elevation of 92 feet.
Temperature
41°F Jan (5°C)
73°F Jul (23°C)
| Annual Average | 56.6°F |
| 5% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 92 ft (28 m) |
| Area | 522.8 sq mi (1,354.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | 40.2840°N, 27.4748°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
5,680 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 86 km | 13 km |
| Aug 10, 2025 | 10 km WSW of Bigadiç, Turkey | M6.1 | 112 km | 10 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 89 km | 8 km |
| Jul 6, 2003 | 28 km NNE of Gökçeada, Turkey | M5.7 | 124 km | 17 km |
| Jan 22, 2020 | 15 km ESE of K?rka?aç, Turkey | M5.6 | 138 km | 6 km |
| Feb 12, 2017 | 24 km WNW of Behram, Turkey | M5.3 | 141 km | 6 km |
| Feb 6, 2017 | 25 km WNW of Behram, Turkey | M5.3 | 142 km | 10 km |
| Jul 6, 2003 | 30 km NE of Gökçeada, Turkey | M5.3 | 115 km | 17 km |
| Feb 7, 2017 | 18 km NNW of Míthymna, Greece | M5.3 | 144 km | 8 km |
| Jun 15, 2004 | 26 km N of Gökçeada, Turkey | M5.2 | 137 km | 12 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 146 km | 10 km |
| Feb 6, 2017 | 23 km WNW of Behram, Turkey | M5.2 | 143 km | 7 km |
| Jul 25, 1999 | 14 km SW of Bigadiç, Turkey | M5.2 | 117 km | 10 km |
| Feb 20, 2019 | 10 km N of Ayvac?k, Turkey | M5.1 | 113 km | 10 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 62 km | 16 km |
| Jan 21, 2025 | 4 km SW of Behram, Turkey | M5.0 | 136 km | 6 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 109 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 149 km | 13 km |
| Jan 28, 2020 | Western Turkey | M5.0 | 135 km | 10 km |
| Feb 6, 2017 | 17 km WNW of Behram, Turkey | M4.9 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1509 | MARMARA SEA | Earthquake | 6.0 m | 5,000 | 78 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 110 km |
| 1912 | MARMARA SEA | Eruption + Earthquake | 2.7 m | 2,800 | 58 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 150 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | — | 84 km |
| 1944 | EDREMIT GULF, AEGEAN SEA | Earthquake | — | 30 | 115 km |
| 1935 | MARMARA SEA | Eruption + Earthquake | — | 5 | 37 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 90 km |
| 1265 | MARMARA SEA | Earthquake | — | — | 47 km |
| 557 | MARMARA SEA | Earthquake | — | — | 69 km |
| 543 | BLACK SEA | Earthquake | — | — | 28 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.9 in | Coldest |
| February | 42°F (5°C) | 2.8 in | |
| March | 45°F (7°C) | 2.5 in | |
| April | 53°F (12°C) | 2.3 in | |
| May | 61°F (16°C) | 1.5 in | |
| June | 69°F (21°C) | 1.0 in | |
| July | 73°F (23°C) | 0.6 in | Warmest, Driest |
| August | 73°F (23°C) | 0.8 in | |
| September | 67°F (20°C) | 1.4 in | |
| October | 59°F (15°C) | 2.4 in | |
| November | 51°F (11°C) | 3.1 in | |
| December | 45°F (7°C) | 4.4 in | Wettest |
Güvemalanı has a seasonal temperature swing of 32°F / from 41°F in January to 73°F in July. Total annual precipitation is 26.7 inches, with December being the wettest month (4.4") and July the driest (0.6").