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Ko Samui
City in Surat Thani, Thailand
Overview
Ko Samui is a tropical island in the Gulf of Thailand, famous for its palm-fringed beaches, lively nightlife, and lush jungle interior. It's a favorite for backpackers, families, and upscale travelers seeking a mix of adventure and relaxation.
Geographic Context
Jurisdiction
Thailand
Province
Surat Thani
Population
68,994
Time Zone
Asia/Bangkok
Coordinates
9.54°, 99.94°
Key Metrics
Safety Score
77
Female Safety
70
LGBTQ+ Safety
65
Traffic Safety
55
Food Safety
65
Monthly Cost
$989
Local Cost
$475
Local Income
$550
Cashless
50
English
55
Temperature
28.0°C
Summer Avg
28.4°C
Winter Avg
27.0°C
Record High
33.3°C
Record Low
23.6°C
Humidity
80%
Precipitation
2089 mm
Internet Speed
166 Mbps
Upload
164 Mbps
Latency
13 ms
City Vibrancy
12
Coworking
0
Cafes
11
Nightlife
0
Parks
1
Transport
0
Walk Score
0
Footways
—
Airport
USM
Distance
14 km
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 34 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
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 83/100.
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