City · Principado de Asturias · All places
Siero stands out for climate, prosperity and housing; it is weaker on connectivity and digital. A typical 70 m² rental costs about €422 a month (2024).
Data as of · the latest figures cover Jun 2026
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What the data says
Siero stands out for climate, prosperity and housing; it is weaker on connectivity and digital. A typical 70 m² rental costs about €422 a month (2024).
Who it suits, 0 to 100
Practical conclusions we draw from Siero’s figures. They are inferences, not official statistics: each says what it rests on.
Few residents come from English-speaking or northern European countries, so daily life runs in Spanish. Contracts, the town hall and most doctors work in Spanish.
Figures for Siero itself, not its region. Each shows the period it covers.
Each card uses Siero data only and compares it with similar cities. Open “Why this score?” to see the measures behind it.
Climate is strong: in the top 10% of major European cities.
Pleasant days (18–28 °C, dry): 116 days a year — better than 89% of major European cities
Strong: 80 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| Pleasant days (18–28 °C, dry)Siero · 2015-01-01..2024-12-31 | 116 days a year | better than 89% of major European cities |
| Days above 35 °CSiero · 2015-01-01..2024-12-31 | 0.40 days a year | better than 68% of major European cities |
| Nights above 20 °CSiero · 2015-01-01..2024-12-31 | 1.80 nights a year | better than 76% of major European cities |
Prosperity is above average: better than most Spanish cities above 50,000.
Household income per person: 16,787 € a year per person — better than 74% of Spanish cities above 50,000
Above average: 74 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| Household income per personSiero · 2024 | 16,787 € a year per person | better than 74% of Spanish cities above 50,000 |
Housing is above average: in the top 10% of Spanish cities above 50,000.
Buying price per m²: 1,564 €/m² — better than 84% of Spanish cities above 50,000
Above average: 72 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| Rent per m²Siero · 2024 | 6.02 €/m² a month | better than 79% of Spanish cities above 50,000 |
| Rents, change in a yearSiero · 2024 | 2.80% | better than 83% of Spanish cities above 50,000 |
| Buying price per m²Siero · 2026-Q2 | 1,564 €/m² | better than 84% of Spanish cities above 50,000 |
| Rent growth a year, over 3 yearsSiero · 2024 | 4.06% | better than 79% of Spanish cities above 50,000 |
| House prices, change in a yearSiero · 2026-Q2 | 17.8% | better than 23% of Spanish cities above 50,000 |
Safety is above average compared with similar cities.
Not ranked: too little comparable evidence yet.
Robberies: 18.9 per 100k people — better than 99% of Spanish cities above 50,000
Above average: 70 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| HomicidesSiero · 2025 | 0.00 per 100k people | better than 78% of Spanish cities above 50,000 |
| RobberiesSiero · 2025 | 18.9 per 100k people | better than 99% of Spanish cities above 50,000 |
| BurglariesSiero · 2025 | 155 per 100k people | better than 25% of Spanish cities above 50,000 |
| TheftsSiero · 2025 | 1,299 per 100k people | better than 39% of Spanish cities above 50,000 |
| Vehicle theftsSiero · 2025 | 30.2 per 100k people | better than 78% of Spanish cities above 50,000 |
Digital is weak: in the bottom 10% of Spanish cities above 50,000.
Homes with fibre to the door: 89.6% — worse than 99% of Spanish cities above 50,000
Weak: 13 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| Homes that can get gigabit internetSiero · 2025 | 89.7% | better than 2% of Spanish cities above 50,000 |
| Homes with fibre to the doorSiero · 2025 | 89.6% | better than 1% of Spanish cities above 50,000 |
| 5G coverageSiero · 2025 | 100.0% | better than 41% of Spanish cities above 50,000 |
Connectivity is weak: in the bottom 10% of major European cities.
Distance to the main airport: 34.0 km — worse than 97% of major European cities
Weak: 3 out of 100, where 50 is typical for the comparison group. These are the measures behind it.
| Measure | Value | Compared with peers |
|---|---|---|
| Distance to the main airportSiero · 2026-10-21 | 34.0 km | better than 3% of major European cities |
What we cannot score for Siero yet
Highs around 25° in August, lows around 7° in January. 116 pleasant days a year (dry, 18–28 °C).
| Month | High | Low | Rain |
|---|---|---|---|
| January | 12.4°C | 6.6°C | 135 mm |
| February | 13.3°C | 6.9°C | 108 mm |
| March | 14.5°C | 7.4°C | 88 mm |
| April | 16.4°C | 8.8°C | 69 mm |
| May | 18.8°C | 11.2°C | 60 mm |
| June | 21.3°C | 14.1°C | 70 mm |
| July | 23.8°C | 16.1°C | 30 mm |
| August | 24.8°C | 16.7°C | 42 mm |
| September | 22.9°C | 15.2°C | 67 mm |
| October | 20.6°C | 13.1°C | 104 mm |
| November | 15.9°C | 9.9°C | 145 mm |
| December | 14.1°C | 8.3°C | 136 mm |
Lines start with Spain; switch the others on to compare.
17.8% in Q2 2026
€6.0 per m² a month in 2024
€1,564 per m² in Q2 2026
Facts about the people who live in Siero. Shown as context only: none of this changes a score.
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Choosing where to live, renting safely, buying, and settling into a home.
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Partners, children, schools, childcare and studying in Spain.
Paperwork, identity numbers, belongings, pets, utilities and the first weeks.
Learning Spanish, understanding local life and building a social circle.
Routines, food, local customs, holidays, transport and getting around.
Scams, disputes, emergencies, your rights and where to get help.
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Fit from the data, 0 to 100, against other Spanish cities. Open a group to see the figures behind it.
Not measured yet: Cost of Living, Doctors, Environment, Healthcare, Nitrogen dioxide (NO₂).
Not measured yet: Cost of Living, Households spending >40% of income on housing, Jobs, Price level vs EU average, Unemployment.
Not measured yet: Environment, Fine-particle pollution (PM2.5), Lifestyle, Nitrogen dioxide (NO₂), Strong-wind days.
Not measured yet: 15-year-olds' maths (PISA), Average commute (one way), Average dwelling size, Childcare availability, Education, Environment, Healthcare, Jobs, Nitrogen dioxide (NO₂), Pre-primary participation, Recorded crime.
Not measured yet: Average dwelling size, Education, Environment, Healthcare, Income tax and social security, average earner, Total tax on labour, average earner.
Better nearby for remote workers: Avilés (64), Gijón (52)
Not measured yet: Cost of Living, Fixed broadband penetration, Lifestyle, Residents born abroad.
Better nearby for founders and self-employed: Avilés (58), Oviedo (55), Gijón (54)
Not measured yet: Adults with a university degree, Jobs, Jobs in high-tech sectors, Regulatory quality, Residents born abroad.
Not measured yet: Commute by public transport, Jobs, Jobs in high-tech sectors, Lifestyle, Median age, Median gross salary, Residents born abroad, Transport, Unemployment, Youth unemployment (15–24).
Not measured yet: Adults with a university degree, Commute by public transport, Cost of Living, Cycle most, Education, Lifestyle, Median age, Price level vs EU average, Transport, Walk most, Youth unemployment (15–24).
Nothing stands out.
Not measured yet: Adults with a university degree, Commute by public transport, Lifestyle, Median age, Residents born abroad, Transport, Walk most.
Taxes, residency and the wider economy are set nationally, so they are the same in Siero as anywhere in Spain.
Compared with Siero; each card says where it is better or worse for someone living there.
70 m²: €419 a month
Compare with Siero70 m²: €512 a month
Compare with Siero70 m²: €505 a month
Compare with SieroFigures are refreshed as new official data is published; the period beside each number says what it covers. “Our read” cards are our inferences from those figures. How we score
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