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Weather & Climate in Dereyanı, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dereyanı enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 35°F in January while summers reach 84°F in July. The area gets 284 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 28.6 inches (drier than the 38-inch national average). The area receives 4.5 inches of snow annually. The city sits at an elevation of 3,668 feet.
Temperature
35°F Jan (2°C)
84°F Jul (29°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 284 days/yr |
Geography
| Elevation | 3,668 ft (1,118 m) |
| Area | 253.3 sq mi (656.0 km²) |
| Population Density | 4/sq mi |
| Coordinates | 37.4248°N, 40.8623°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
37 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Jun 14, 2012 | 1 km NNW of P?narönü, Turkey | M5.3 | 130 km | 5 km |
| Sep 17, 1994 | 5 km NNW of Be?p?nar, Turkey | M5.1 | 82 km | 9 km |
| Jan 26, 2007 | 14 km ENE of Dicle, Turkey | M4.9 | 124 km | 6 km |
| Jan 26, 2021 | 46 km SE of Al ?asakah, Syria | M4.9 | 140 km | 10 km |
| Jul 6, 1993 | 15 km N of Siverek, Turkey | M4.8 | 146 km | 47 km |
| Dec 30, 1994 | 12 km SW of Ergani, Turkey | M4.7 | 134 km | 10 km |
| Apr 28, 2012 | 9 km ENE of Lice, Turkey | M4.7 | 119 km | 5 km |
| Dec 20, 1998 | 11 km WNW of Ar?cak, Turkey | M4.6 | 150 km | 10 km |
| Dec 24, 2000 | 13 km ENE of Ar?cak, Turkey | M4.6 | 143 km | 10 km |
| Feb 6, 2023 | 15 km S of Genç, Turkey | M4.6 | 134 km | 11 km |
| Jan 25, 2008 | 24 km SE of Al ?asakah, Syria | M4.4 | 118 km | 10 km |
| Mar 5, 1990 | 10 km SE of Kocaköy, Turkey | M4.4 | 91 km | 33 km |
| Feb 9, 2023 | 10 km NNE of Hani, Turkey | M4.4 | 126 km | 9 km |
| Feb 22, 2023 | 11 km NW of Hani, Turkey | M4.4 | 128 km | 12 km |
| Aug 10, 2023 | eastern Turkey | M4.3 | 129 km | 10 km |
| Apr 28, 1998 | 16 km SW of Genç, Turkey | M4.3 | 140 km | 10 km |
| May 29, 2005 | 23 km WSW of Bostanc?, Turkey | M4.3 | 117 km | 23 km |
| Feb 8, 2023 | 12 km NNE of Hani, Turkey | M4.2 | 127 km | 13 km |
| Feb 6, 2023 | eastern Turkey | M4.2 | 130 km | 13 km |
| Feb 15, 1997 | 6 km WSW of Hani, Turkey | M4.2 | 118 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Nemrut Dagi (182 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Nemrut Dagi | Stratovolcano | 2,948 m (9,672 ft) | 1650 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 4.5 in | Coldest, Wettest |
| February | 38°F (3°C) | 4.4 in | |
| March | 46°F (8°C) | 4.1 in | |
| April | 55°F (13°C) | 3.9 in | |
| May | 65°F (19°C) | 2.0 in | |
| June | 76°F (25°C) | 0.3 in | |
| July | 84°F (29°C) | 0.1 in | Warmest |
| August | 83°F (29°C) | 0.0 in | Driest |
| September | 75°F (24°C) | 0.2 in | |
| October | 62°F (17°C) | 1.7 in | |
| November | 49°F (9°C) | 3.0 in | |
| December | 39°F (4°C) | 4.5 in |
Dereyanı has a seasonal temperature swing of 49°F / from 35°F in January to 84°F in July. Total annual precipitation is 28.6 inches, with January being the wettest month (4.5") and August the driest (0.0").