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Sejny
City in Podlaskie, Poland
Overview
Sejny is a charming small town in northeastern Poland, set near the Lithuanian border in the picturesque Podlaskie region. The town is known for its peaceful lakes, multicultural history, and welcoming local atmosphere.
Geographic Context
Jurisdiction
Poland
Voivodship
Podlaskie
Population
5,075
Time Zone
Europe/Warsaw
Coordinates
54.11°, 23.35°
Key Metrics
Safety Score
76
Female Safety
65
LGBTQ+ Safety
35
Traffic Safety
80
Food Safety
85
Monthly Cost
$986
Local Cost
$550
Local Income
$850
Cashless
60
English
35
Temperature
6.9°C
Summer Avg
17.7°C
Winter Avg
-4.2°C
Record High
35.1°C
Record Low
-36.9°C
Humidity
85%
Precipitation
708 mm
Internet Speed
63 Mbps
Upload
35 Mbps
Latency
29 ms
City Vibrancy
5
Coworking
0
Cafes
0
Nightlife
0
Parks
5
Transport
100
Walk Score
100
Footways
458.0
Airport
—
Distance
—
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 2 tests. Updated 2025-12-06.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 68/100.
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