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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. The area gets 273 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 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) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 41.5011°N, 36.0689°W |
| 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").