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Portsmouth
City in Saint John, Dominica
Overview
Portsmouth is a city in Dominica.
Geographic Context
Jurisdiction
Dominica
Parish
Saint John
Population
3,633
Time Zone
America/Dominica
Coordinates
15.58°, -61.47°
Key Metrics
Safety Score
70
Female Safety
65
LGBTQ+ Safety
35
Traffic Safety
60
Food Safety
55
Monthly Cost
1,235
Local Cost
650
Local Income
425
Cashless
40
English
95
Temperature
26.9°C
Summer Avg
27.7°C
Winter Avg
25.8°C
Record High
30.8°C
Record Low
22.7°C
Humidity
78%
Precipitation
1419 mm
Internet Speed
89 Mbps
Upload
3 Mbps
Latency
89 ms
City Vibrancy
4
Coworking
0
Cafes
2
Nightlife
1
Parks
1
Transport
7
Walk Score
7
Footways
14.0
Airport
DOM
Distance
18 km
Explore
Frequently Asked Questions
Sources: Ookla | Teleport | OpenStreetMap · Last updated: 2025
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