Weather & Climate in Ondokuzmayıs, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ondokuzmayıs experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 46°F in January while summers reach 71°F in July. Annual precipitation totals 44.4 inches. The area receives 13.6 inches of snow annually. The city sits at an elevation of 36 feet.
Temperature
46°F Jan (8°C)
71°F Jul (21°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 71°F (21°C) |
Geography
| Elevation | 36 ft (11 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 219,475/sq mi |
| Coordinates | 41.5011°N, 36.0689°E |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
97 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Aug 14, 1996 | Central Turkey | M5.8 | 103 km | 10 km |
| Aug 14, 1996 | 11 km SW of Merzifon, Turkey | M5.7 | 97 km | 10 km |
| Feb 12, 1992 | 11 km SSE of Amasya, Turkey | M4.9 | 107 km | 11 km |
| Apr 13, 2025 | 19 km WNW of Taşova, Turkey | M4.8 | 77 km | 10 km |
| Apr 29, 2005 | 12 km SSW of Laçin, Turkey | M4.8 | 138 km | 32 km |
| Feb 28, 1997 | 17 km SSW of Merzifon, Turkey | M4.8 | 104 km | 10 km |
| Jun 12, 1993 | 4 km SW of Amasya, Turkey | M4.6 | 100 km | 10 km |
| May 19, 2006 | 92 km NE of Sinop, Turkey | M4.6 | 128 km | 10 km |
| May 12, 2025 | 10 km NW of Gümüşhacıköy, Turkey | M4.5 | 100 km | 10 km |
| Feb 12, 1992 | 7 km SSW of Amasya, Turkey | M4.5 | 104 km | 10 km |
| May 12, 1992 | 7 km SSE of Ladik, Turkey | M4.5 | 74 km | 10 km |
| Mar 29, 2008 | 16 km WNW of Çorum, Turkey | M4.4 | 148 km | 5 km |
| Jan 9, 2024 | 12 km NW of Mecitözü, Turkey | M4.4 | 126 km | 10 km |
| May 12, 2025 | 5 km NW of Gümüşhacıköy, Turkey | M4.3 | 100 km | 10 km |
| Aug 12, 2022 | 16 km NW of Çorum, Turkey | M4.3 | 144 km | 10 km |
| Oct 9, 1997 | 105 km ENE of Sinop, Turkey | M4.3 | 118 km | 10 km |
| Jun 3, 1993 | 6 km ESE of Ladik, Turkey | M4.3 | 68 km | 10 km |
| Mar 11, 2024 | 26 km N of Samsun, Turkey | M4.3 | 20 km | 7 km |
| Apr 2, 2010 | 3 km ESE of Çorum, Turkey | M4.3 | 141 km | 5 km |
| May 23, 2024 | 20 km SSE of Gümüşhacıköy, Turkey | M4.3 | 107 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1598 | SOUTH BLACK SEA | Eruption + Earthquake | - | 60,000 | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 2.6 in | |
| February | 41°F (5°C) | 1.9 in | Coldest |
| March | 44°F (7°C) | 2.1 in | |
| April | 51°F (11°C) | 2.3 in | |
| May | 58°F (15°C) | 2.1 in | |
| June | 66°F (19°C) | 1.9 in | |
| July | 71°F (21°C) | 1.2 in | Warmest, Driest |
| August | 70°F (21°C) | 1.3 in | |
| September | 65°F (18°C) | 1.8 in | |
| October | 57°F (14°C) | 2.9 in | |
| November | 49°F (10°C) | 2.9 in | |
| December | 43°F (6°C) | 3.1 in | Wettest |
Ondokuzmayıs has a seasonal temperature swing of 30°F / from 41°F in February to 71°F in July. Total annual precipitation is 26.1 inches, with December being the wettest month (3.1") and July the driest (1.2").