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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.
Viana do Castelo has a temperate oceanic climate with mild, rainy winters and pleasantly warm, sunny summers. Annual rainfall is abundant at around 1470-1758 mm, mostly from October to May, while summers from June to September are relatively dry. The average annual temperature is about 14°C, moderated by its coastal location in northwest Portugal.
Summer Average
21°C
Winter Average
10°C
Climate Type
Oceanic
Rainy Days
150
Sunny Days
2500 hours
Humidity
70%
Spring
March - May
12-18°C
Spring brings mild temperatures with increasing sunshine, though frequent rains continue from winter. Days gradually warm up with average highs around 18-20°C.
Moderate rainfall
Summer
June - August
18-25°C
Summers are comfortably warm, dry, and mostly clear with average highs of 24-25°C in August and abundant sunshine up to 9-9.5 hours per day. Rainfall is minimal during this period.
Low rainfall
Autumn
September - November
13-20°C
Autumn sees cooling temperatures and a return of frequent rainfall, especially from October onward. Weather transitions from mild sunny days to wetter conditions.
Moderate rainfall
Winter
December - February
6-15°C
Winters are mild but cold and wet, with average temperatures around 10°C and heaviest rainfall in December up to 230 mm. Partly cloudy skies prevail with limited sunshine.
High rainfall
Loading Weather...
Air Quality
Viana do Castelo
Viana do Castelo offers a rare combination: a genuinely livable Portuguese coastal town that hasn't been overrun by expat infrastructure or inflated prices. You'll find solid healthcare and transport connections to Porto, a safe community, and the kind of daily rhythm—local cafés, walkable neighborhoods, genuine Portuguese culture—that makes relocation feel like actually living somewhere, not just occupying it. Housing costs remain reasonable compared to Lisbon or the Algarve.
The trade-off is scale. With under 16,000 residents, this is a small town, not a city. If you need a large expat network, specialized services, or constant cultural events, you'll feel the absence. But if you're seeking affordability, authenticity, and a slower pace without sacrificing practical amenities, it's worth serious consideration.
Advantages
Viana do Castelo
Abundant parks and green spaces
Rich cultural heritage sites
Excellent primary education options
Charming riverside location
Tight-knit community atmosphere
Disadvantages
Viana do Castelo
Limited higher education options
Few coworking spaces available
Seasonal tourism dependency
Limited job market diversity
Safety & Security in Viana do Castelo
Overall Safety Score
Includes resilience and environmental factors
Good
74
/100
Portugal Avg
63
Europe Avg
58
Worldwide Avg
56
Crime & Safety Metrics
Thermometer compares Viana do Castelo to Portugal averages using different marker styles.Compare:
Viana do Castelo
Portugal Average
Safety Index
0510
Good
Safety from Crime
0510
Safe
Safe Alone (Day)
0510
Excellent
Safe Alone (Night)
0510
Good
Safety from Violent Crime
0510
Very Safe
Safety from Property Crime
0510
Safe
Environmental & Natural Hazard Risks
Resilience Score: N/A
Data Currently Under Investigation
Environmental risk assessments are being researched. The indicators below show what data will be available soon.
