All Countries
Weather & Climate in Hendek, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hendek experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 39°F in January while summers reach 69°F in July. The area gets 281 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 30.2 inches (drier than the 38-inch national average). The city sits at an elevation of 607 feet.
Temperature
39°F Jan (4°C)
69°F Jul (21°C)
| Annual Average | 54.6°F |
| 1% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 607 ft (185 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 117,523/sq mi |
| Coordinates | 40.7994°N, 30.7481°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
1,564 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 | 75 km | 17 km |
| Nov 12, 1999 | 8 km S of Düzce, Turkey | M7.2 | 35 km | 10 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 60 km | 13 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 41 km | 22 km |
| Nov 12, 1999 | 7 km SSW of Düzce, Turkey | M5.5 | 31 km | 10 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 14 km | 15 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 137 km | 10 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 118 km | 10 km |
| Nov 12, 1999 | 11 km W of Bolu, Turkey | M5.2 | 61 km | 10 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 68 km | 10 km |
| Nov 16, 1999 | 2 km S of Bolu, Turkey | M5.1 | 73 km | 10 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 21 km | 10 km |
| Nov 24, 2013 | 14 km WNW of Yeniça?a, Turkey | M5.1 | 94 km | 6 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 12 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 135 km | 13 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 66 km | 10 km |
| Aug 26, 2001 | 24 km N of Bolu, Turkey | M5.0 | 71 km | 8 km |
| Feb 14, 2000 | 28 km SW of Devrek, Turkey | M4.9 | 88 km | 10 km |
| Aug 17, 1999 | 11 km ESE of Akyaz?, Turkey | M4.9 | 17 km | 10 km |
| Aug 17, 1999 | 9 km ESE of Köseköy, Turkey | M4.9 | 54 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 2.5 m (8 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 66 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 134 km |
| 986 | MARMARA SEA | Earthquake | - | - | 130 km |
| 551 | LEVANTIAN SEA | Earthquake | - | - | 71 km |
| 478 | MARMARA SEA | Earthquake | - | - | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.3 in | Coldest |
| February | 41°F (5°C) | 2.5 in | |
| March | 45°F (7°C) | 2.6 in | |
| April | 52°F (11°C) | 2.2 in | |
| May | 59°F (15°C) | 2.1 in | |
| June | 66°F (19°C) | 2.1 in | |
| July | 69°F (21°C) | 1.8 in | Warmest |
| August | 69°F (21°C) | 1.7 in | Driest |
| September | 64°F (18°C) | 1.9 in | |
| October | 57°F (14°C) | 2.9 in | |
| November | 49°F (10°C) | 3.0 in | |
| December | 43°F (6°C) | 3.9 in | Wettest |
Hendek has a seasonal temperature swing of 30°F / from 39°F in January to 69°F in July. Total annual precipitation is 30.2 inches, with December being the wettest month (3.9") and August the driest (1.7").