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Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Sliven offers a grounded, low-key lifestyle for those seeking to escape high-density urban centers without sacrificing essential infrastructure. It is an ideal base for remote professionals looking to maximize their purchasing power, as the cost of living remains significantly lower than in Western Europe. You’ll find a reliable foundation of decent healthcare and functional public transport, making daily life predictable and manageable.
However, the city lacks a concentrated expat community, meaning you will need to be proactive about building a social circle from scratch. While the safety and stability are reassuring, the pace of life is decidedly slower, and the international amenities found in Sofia or Plovdiv are not readily available here.
The main administrative district of the city of Sliven, the largest municipality in Sliven Province, with a population of approximately 110,972 as of 2023.
Sliven has a temperate transitional-continental climate with mild winters and warm to hot summers. Long-term climate data indicate average January temperatures around 2.5°C and August temperatures around 24.5°C, with annual precipitation of about 615 mm, placing it in a moderately wet inland Balkan climate.
Summer Average
25°C
Winter Average
3°C
Climate Type
Oceanic
Rainy Days
95
Sunny Days
240
Humidity
70%
Spring
March - May
10-20°C
Spring is generally mild and becomes progressively warmer, with increasing sunshine and occasional rain showers. It is often a pleasant transitional season, though weather can change quickly.
Moderate rainfall
Summer
June - August
22-31°C
Summer is warm to hot, with the warmest conditions typically in July and August. Rainfall is present but usually less frequent than in spring, and dry, sunny spells are common.
Low rainfall
Autumn
September - November
9-21°C
Autumn is often long and relatively mild, with slowly falling temperatures. Rainfall increases at times, but early autumn can remain comfortably warm.
Moderate rainfall
Winter
December - February
-1-6°C
Winter is usually cool and relatively mild by inland Bulgarian standards, with frequent cold spells and occasional snow. January is typically the coldest month, but prolonged severe cold is less common than in harsher continental climates.
Moderate rainfall
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Air Quality
Sliven
Advantages
Sliven
152 parks for outdoor recreation
68 cultural heritage sites
Affordable cost of living
Close-knit community atmosphere
Mountain proximity and nature
Disadvantages
Sliven
Limited higher education options
Few job opportunities locally
Aging infrastructure and services
Brain drain to larger cities
Limited entertainment venues
Safety & Security in Sliven
Overall Safety Score
Includes resilience and environmental factors
Good
62
/100
Bulgaria Avg
60
Europe Avg
58
Worldwide Avg
56
Crime & Safety Metrics
Thermometer compares Sliven to Bulgaria averages using different marker styles.Compare: