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Sudden Valley
City in Washington, United States
Overview
Sudden Valley is a peaceful, wooded community located along the shores of Lake Whatcom in northwestern Washington. Known for its lush landscapes, outdoor recreation, and close-knit suburban feel, it is perfect for those seeking retreat from city life while staying near Bellingham.
Geographic Context
Jurisdiction
United States
State
Washington
Population
—
Time Zone
America/Los_Angeles
Coordinates
48.72°, -122.35°
Key Metrics
Safety Score
82
Female Safety
80
LGBTQ+ Safety
85
Traffic Safety
88
Food Safety
97
Monthly Cost
$3,260
Local Cost
$2,250
Local Income
$4,100
Cashless
88
English
100
Temperature
9.8°C
Summer Avg
16.2°C
Winter Avg
3.9°C
Record High
34.5°C
Record Low
-12.3°C
Humidity
84%
Precipitation
1301 mm
Internet Speed
277 Mbps
Upload
22 Mbps
Latency
17 ms
City Vibrancy
1
Coworking
0
Cafes
0
Nightlife
0
Parks
1
Transport
1
Walk Score
1
Footways
2.0
Airport
BLI
Distance
16 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.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 14 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-09.
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 65/100.
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