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Weather & Climate in Stara Zagora, Bulgaria
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Stara Zagora experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 72°F in July. The area gets 294 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 23.4 inches (drier than the 38-inch national average). The area receives 1.6 inches of snow annually. The city sits at an elevation of 673 feet.
Temperature
33°F Jan (1°C)
72°F Jul (22°C)
| Annual Average | 52.8°F |
| 2% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 673 ft (205 m) |
| Area | 33.1 sq mi (85.8 km²) |
| Population Density | 3,671/sq mi |
| Coordinates | 42.4321°N, 25.6426°W |
| Timezone | Europe/Sofia |
Precipitation & Snow
Air Quality
Earthquake History
245 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Apr 5, 2002 | 4 km NE of Asenovgrad, Bulgaria | M4.7 | 74 km | 27 km |
| Dec 11, 1998 | 7 km NW of Chirpan, Bulgaria | M4.7 | 37 km | 10 km |
| Aug 13, 2001 | 13 km N of Yambol, Bulgaria | M4.6 | 73 km | 10 km |
| Feb 20, 2006 | 16 km ENE of Kardzhali, Bulgaria | M4.6 | 81 km | 10 km |
| Jun 7, 2023 | Bulgaria | M4.6 | 79 km | 10 km |
| Nov 23, 1999 | 5 km SW of Parvomay, Bulgaria | M4.5 | 57 km | 4 km |
| May 1, 2020 | 6 km SW of Rakovski, Bulgaria | M4.5 | 66 km | 10 km |
| Feb 21, 2018 | 3 km NNW of Asenovgrad, Bulgaria | M4.4 | 77 km | 12 km |
| Apr 18, 2016 | 10 km SSW of Nova Zagora, Bulgaria | M4.3 | 27 km | 5 km |
| Feb 5, 2015 | 12 km ENE of Tvarditsa, Bulgaria | M4.2 | 47 km | 10 km |
| Apr 15, 2008 | 6 km NE of Gabrovo, Bulgaria | M4.2 | 58 km | 10 km |
| Aug 9, 2001 | 8 km NNE of Yambol, Bulgaria | M4.2 | 74 km | 42 km |
| Jan 3, 2017 | 8 km ENE of Lyaskovets, Bulgaria | M4.2 | 81 km | 21 km |
| Aug 24, 1992 | 13 km SSW of Kalofer, Bulgaria | M4.2 | 61 km | 10 km |
| May 14, 2004 | 12 km SW of Razgrad, Bulgaria | M4.2 | 130 km | 24 km |
| Jul 9, 2013 | 14 km N of Topolovgrad, Bulgaria | M4.1 | 60 km | 16 km |
| Jun 24, 2011 | Bulgaria | M4.1 | 59 km | 0 km |
| May 12, 2008 | 4 km SSW of Strazhitsa, Bulgaria | M4.1 | 88 km | 16 km |
| Aug 21, 2010 | 18 km SE of Nova Zagora, Bulgaria | M4.1 | 43 km | 0 km |
| Aug 14, 1996 | 12 km N of Mineralni Bani, Bulgaria | M4.1 | 51 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 1.6 in | Coldest |
| February | 37°F (3°C) | 1.7 in | |
| March | 43°F (6°C) | 1.8 in | |
| April | 52°F (11°C) | 2.2 in | |
| May | 61°F (16°C) | 2.6 in | Wettest |
| June | 68°F (20°C) | 2.6 in | |
| July | 72°F (22°C) | 2.0 in | Warmest |
| August | 71°F (22°C) | 1.7 in | |
| September | 64°F (18°C) | 1.5 in | Driest |
| October | 54°F (12°C) | 1.7 in | |
| November | 44°F (6°C) | 2.1 in | |
| December | 36°F (2°C) | 2.1 in |
Stara Zagora has a seasonal temperature swing of 39°F / from 33°F in January to 72°F in July. Total annual precipitation is 23.4 inches, with May being the wettest month (2.6") and September the driest (1.5").