All Countries
Weather & Climate in Sveti Vlas, Bulgaria
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sveti Vlas experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 36°F in January while summers reach 71°F in July. The area gets 297 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 21.4 inches (drier than the 38-inch national average). The city sits at an elevation of 164 feet.
Temperature
36°F Jan (2°C)
71°F Jul (21°C)
| Annual Average | 52.8°F |
| 2% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 14.0 sq mi (36.1 km²) |
| Population Density | 278/sq mi |
| Coordinates | 42.7136°N, 27.7587°W |
| Timezone | Europe/Sofia |
Precipitation & Snow
Air Quality
Earthquake History
74 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Aug 5, 2009 | 16 km SE of Shabla, Bulgaria | M5.0 | 111 km | 10 km |
| Apr 4, 2022 | 14 km SE of Provadia, Bulgaria | M4.6 | 45 km | 10 km |
| Aug 13, 2001 | 13 km N of Yambol, Bulgaria | M4.6 | 103 km | 10 km |
| Dec 3, 2012 | 14 km SE of Shabla, Bulgaria | M4.5 | 109 km | 10 km |
| Oct 7, 2010 | 14 km NW of Dolni Chiflik, Bulgaria | M4.4 | 42 km | 10 km |
| Aug 9, 2001 | 8 km NNE of Yambol, Bulgaria | M4.2 | 102 km | 42 km |
| Feb 5, 2015 | 12 km ENE of Tvarditsa, Bulgaria | M4.2 | 140 km | 10 km |
| May 14, 2004 | 12 km SW of Razgrad, Bulgaria | M4.2 | 137 km | 24 km |
| Aug 21, 2010 | 18 km SE of Nova Zagora, Bulgaria | M4.1 | 138 km | 0 km |
| Jun 24, 2011 | Bulgaria | M4.1 | 138 km | 0 km |
| Jul 9, 2013 | 14 km N of Topolovgrad, Bulgaria | M4.1 | 132 km | 16 km |
| Apr 2, 2015 | 11 km N of Topolovgrad, Bulgaria | M4.0 | 132 km | 5 km |
| Jan 20, 2006 | 11 km WNW of Straldzha, Bulgaria | M4.0 | 99 km | 10 km |
| Aug 13, 2013 | 8 km SE of Provadia, Bulgaria | M3.9 | 50 km | 2 km |
| Apr 21, 1993 | 7 km NE of Dalgopol, Bulgaria | M3.9 | 50 km | 29 km |
| Jul 15, 2015 | 13 km ESE of Balgarevo, Bulgaria | M3.8 | 98 km | 20 km |
| Feb 25, 2005 | Bulgaria | M3.8 | 96 km | 8 km |
| May 12, 2007 | 14 km SSW of Sredets, Bulgaria | M3.8 | 74 km | 15 km |
| Jul 18, 1995 | 18 km ESE of Sveti Vlas, Bulgaria | M3.7 | 19 km | 10 km |
| Apr 19, 1997 | 68 km ESE of Balgarevo, Bulgaria | M3.6 | 123 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1901 | BLACK SEA | Earthquake | 3.0 m | 4 | 97 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 1.7 in | Coldest |
| February | 37°F (3°C) | 1.7 in | |
| March | 41°F (5°C) | 1.7 in | |
| April | 50°F (10°C) | 1.9 in | |
| May | 58°F (15°C) | 1.8 in | |
| June | 66°F (19°C) | 2.0 in | |
| July | 71°F (21°C) | 1.5 in | Warmest |
| August | 70°F (21°C) | 1.3 in | Driest |
| September | 64°F (18°C) | 1.7 in | |
| October | 55°F (13°C) | 1.9 in | |
| November | 46°F (8°C) | 2.4 in | Wettest |
| December | 39°F (4°C) | 2.0 in |
Sveti Vlas has a seasonal temperature swing of 35°F / from 36°F in January to 71°F in July. Total annual precipitation is 21.4 inches, with November being the wettest month (2.4") and August the driest (1.3").