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Weather & Climate in Yarhisar, Turkey
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yarhisar experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 36°F in January while summers reach 70°F in July. The area gets 299 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 20.3 inches (drier than the 38-inch national average). The area receives 2.4 inches of snow annually. The city sits at an elevation of 1,982 feet.
Temperature
36°F Jan (2°C)
70°F Jul (21°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 1,982 ft (604 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 718/sq mi |
| Coordinates | 40.2167°N, 29.8709°W |
| Timezone | Europe/Istanbul |
Precipitation & Snow
Air Quality
Earthquake History
3,985 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 | 59 km | 17 km |
| Nov 12, 1999 | 8 km S of Düzce, Turkey | M7.2 | 125 km | 10 km |
| Sep 13, 1999 | 4 km SE of Köseköy, Turkey | M5.9 | 57 km | 13 km |
| May 19, 2011 | 12 km ENE of Simav, Turkey | M5.8 | 136 km | 7 km |
| Nov 11, 1999 | 5 km N of Sapanca, Turkey | M5.7 | 68 km | 22 km |
| Nov 12, 1999 | 7 km SSW of Düzce, Turkey | M5.5 | 123 km | 10 km |
| Aug 23, 2000 | 8 km E of Akyaz?, Turkey | M5.3 | 88 km | 15 km |
| Aug 19, 1999 | 3 km SSE of Ç?narc?k, Turkey | M5.2 | 76 km | 10 km |
| May 3, 2012 | 13 km NE of Simav, Turkey | M5.2 | 134 km | 3 km |
| Sep 29, 1999 | 8 km NNW of Ta?köprü, Turkey | M5.2 | 73 km | 10 km |
| Feb 17, 2009 | 5 km ENE of Simav, Turkey | M5.2 | 143 km | 7 km |
| Nov 12, 1999 | 11 km W of Bolu, Turkey | M5.2 | 147 km | 10 km |
| Aug 31, 1999 | 2 km NNE of Kar??yaka, Turkey | M5.2 | 55 km | 10 km |
| Aug 31, 2021 | 19 km W of ?hsaniye, Turkey | M5.1 | 133 km | 10 km |
| Aug 17, 1999 | 9 km SE of Akyaz?, Turkey | M5.1 | 82 km | 10 km |
| Nov 7, 1999 | 8 km E of Akyaz?, Turkey | M5.0 | 90 km | 10 km |
| Apr 23, 2025 | 14 km S of Kumburgaz, Turkey | M5.0 | 139 km | 10 km |
| Aug 17, 1999 | 2 km NW of Kullar, Turkey | M5.0 | 59 km | 10 km |
| Sep 9, 1999 | 7 km NNW of Koruköy, Turkey | M5.0 | 83 km | 13 km |
| Aug 17, 1999 | 9 km ESE of Köseköy, Turkey | M4.9 | 59 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1894 | MARMARA SEA | Earthquake | 4.5 m | 1,349 | 108 km |
| 1999 | KOCAELI, TURKEY | Earthquake | 2.5 m | 17,118 | 61 km |
| 1963 | MARMARA SEA | Earthquake | 1.0 m | 1 | 81 km |
| 1343 | MARMARA SEA, STRAIT OF BOSPORUS | Earthquake | — | — | 148 km |
| 986 | MARMARA SEA | Earthquake | — | — | 86 km |
| 551 | LEVANTIAN SEA | Earthquake | — | — | 65 km |
| 478 | MARMARA SEA | Earthquake | — | — | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 2.4 in | Coldest |
| February | 38°F (3°C) | 1.9 in | |
| March | 43°F (6°C) | 2.0 in | |
| April | 52°F (11°C) | 1.8 in | |
| May | 60°F (15°C) | 2.0 in | |
| June | 66°F (19°C) | 1.5 in | |
| July | 70°F (21°C) | 0.9 in | Warmest |
| August | 70°F (21°C) | 0.7 in | Driest |
| September | 64°F (18°C) | 1.0 in | |
| October | 56°F (13°C) | 1.8 in | |
| November | 47°F (9°C) | 1.9 in | |
| December | 40°F (4°C) | 2.5 in | Wettest |
Yarhisar has a seasonal temperature swing of 35°F / from 36°F in January to 70°F in July. Total annual precipitation is 20.3 inches, with December being the wettest month (2.5") and August the driest (0.7").