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Weather & Climate in İnönü, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
İnönü experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 38°F in January while summers reach 68°F in July. The area gets 292 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 29.6 inches (drier than the 38-inch national average). The area receives 23.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 2,769 feet.
Temperature
38°F Jan (3°C)
68°F Jul (20°C)
| Annual Average | 51.3°F |
| 5% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 2,769 ft (844 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 14,030/sq mi |
| Coordinates | 39.8153°N, 30.1455°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
3,791 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 | 106 km | 17 km |
| Nov 12, 1999 | 8 km S of Düzce, Turkey | M7.2 | 136 km | 10 km |
| Feb 3, 2002 | 11 km WNW of Çay, Turkey | M6.0 | 147 km | 10 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 100 km | 13 km |
| May 19, 2011 | 12 km ENE of Simav, Turkey | M5.8 | 116 km | 7 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 104 km | 22 km |
| Feb 3, 2002 | 11 km ENE of I??klar, Turkey | M5.5 | 139 km | 10 km |
| Nov 12, 1999 | 7 km SSW of Düzce, Turkey | M5.5 | 136 km | 10 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 108 km | 15 km |
| Feb 17, 2009 | 5 km ENE of Simav, Turkey | M5.2 | 123 km | 7 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 124 km | 10 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 123 km | 10 km |
| May 3, 2012 | 13 km NE of Simav, Turkey | M5.2 | 115 km | 3 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 101 km | 10 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 100 km | 10 km |
| Aug 31, 2021 | 19 km W of ?hsaniye, Turkey | M5.1 | 86 km | 10 km |
| Apr 21, 2017 | 17 km E of Selendi, Turkey | M5.0 | 149 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 132 km | 13 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 109 km | 10 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 104 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 | 106 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 129 km |
| 986 | MARMARA SEA | Earthquake | — | — | 136 km |
| 551 | LEVANTIAN SEA | Earthquake | — | — | 112 km |
| 478 | MARMARA SEA | Earthquake | — | — | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Kula (196 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kula | Pyroclastic cone(s) | 750 m (2,461 ft) | Unknown | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.4 in | |
| February | 36°F (2°C) | 2.0 in | Coldest |
| March | 42°F (5°C) | 2.0 in | |
| April | 50°F (10°C) | 1.9 in | |
| May | 58°F (14°C) | 2.1 in | |
| June | 64°F (18°C) | 1.6 in | |
| July | 68°F (20°C) | 0.8 in | Warmest |
| August | 68°F (20°C) | 0.6 in | Driest |
| September | 62°F (17°C) | 0.8 in | |
| October | 54°F (12°C) | 1.6 in | |
| November | 45°F (7°C) | 1.8 in | |
| December | 37°F (3°C) | 2.7 in | Wettest |
İnönü has a seasonal temperature swing of 32°F / from 36°F in February to 68°F in July. Total annual precipitation is 20.3 inches, with December being the wettest month (2.7") and August the driest (0.6").