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Weather & Climate in Yeşilvadi, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yeşilvadi enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 46°F in January while summers reach 75°F in July. The area gets 272 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 47.4 inches (wetter than the 38-inch national average). The area receives 12.3 inches of snow annually. The city sits at an elevation of 171 feet.
Temperature
46°F Jan (8°C)
75°F Jul (24°C)
| Annual Average | 58.3°F |
| 8% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 1,744/sq mi |
| Coordinates | 41.1230°N, 29.4770°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
2,355 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Aug 17, 1999 | 4 km ESE of Derince, Turkey | M7.6 | 53 km | 17 km |
| Nov 12, 1999 | 8 km S of Düzce, Turkey | M7.2 | 147 km | 10 km |
| Apr 23, 2025 | 24 km SE of Marmara Ereğlisi, Turkey | M6.2 | 113 km | 13 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 66 km | 13 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 79 km | 22 km |
| Sep 26, 2019 | 17 km ESE of Marmara Ere?lisi, Turkey | M5.7 | 114 km | 8 km |
| Nov 12, 1999 | 7 km SSW of Düzce, Turkey | M5.5 | 143 km | 10 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 116 km | 15 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 61 km | 10 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 63 km | 10 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 44 km | 10 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 116 km | 10 km |
| Jul 25, 2011 | 25 km SW of Marmara Ere?lisi, Turkey | M5.1 | 149 km | 16 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 115 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 53 km | 13 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 87 km | 10 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 59 km | 10 km |
| Jun 7, 2012 | 13 km SSW of Marmara Ere?lisi, Turkey | M4.9 | 134 km | 15 km |
| Aug 17, 1999 | 9 km ESE of Köseköy, Turkey | M4.9 | 70 km | 10 km |
| Sep 24, 2019 | 20 km SE of Marmara Ere?lisi, Turkey | M4.9 | 116 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: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1509 | MARMARA SEA | Earthquake | 6.0 m | 5,000 | 121 km |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 88 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 58 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 54 km |
| 2025 | MARMARA SEA | Earthquake | 0.1 m | — | 116 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 105 km |
| 986 | MARMARA SEA | Earthquake | — | — | 43 km |
| 551 | LEVANTIAN SEA | Earthquake | — | — | 51 km |
| 478 | MARMARA SEA | Earthquake | — | — | 43 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 4.0 in | |
| February | 42°F (6°C) | 2.8 in | Coldest |
| March | 45°F (7°C) | 2.6 in | |
| April | 53°F (12°C) | 1.9 in | |
| May | 60°F (16°C) | 1.5 in | |
| June | 68°F (20°C) | 1.3 in | |
| July | 75°F (24°C) | 1.1 in | Warmest, Driest |
| August | 73°F (23°C) | 1.6 in | |
| September | 67°F (20°C) | 2.0 in | |
| October | 60°F (15°C) | 3.4 in | |
| November | 52°F (11°C) | 3.7 in | |
| December | 46°F (8°C) | 4.9 in | Wettest |
Yeşilvadi has a seasonal temperature swing of 33°F / from 42°F in February to 75°F in July. Total annual precipitation is 30.8 inches, with December being the wettest month (4.9") and July the driest (1.1").