Town · Algarve, Portugal · 37.36°N 8.38°W
São Marcos da Serra, Portugal
São Marcos da Serra is a town of 1,352 people in the Algarve, with January highs of 15°C, 23 days a year above 35°C, a hospital 27.0 km from the centre and Portimão Airport (PRM) 30 km away.
Weather now
Forecast: MET Norway (CC BY 4.0)
Normal for November, 1991-2020
19°high · low 10°C · 8 rain days
Who São Marcos da Serra suits
Generated from the data below by published rulesGood fit for
São Marcos da Serra meets none of the good-fit rules.
Weaker fit for
- Heat-sensitive people23 days a year above 35°C
Climate comfort
55/ 100
Top 39% in Portugal
Based on: Average January high, Days above 35°C a year in the last ten years, Days with rain a year, Tropical nights a year in the last ten years, Frost days a year in the last ten years
Car-free living
14/ 100
Rank 766 of 790 in Portugal
Based on: Grocery stores within a 15-minute walk, Pharmacies within a 15-minute walk, Cafés within a 15-minute walk, Distance to the nearest train station, Distance to the nearest bus station
Access to services
19/ 100
Rank 769 of 800 in Portugal
Based on: Distance to the nearest hospital, Distance to the nearest airport with scheduled flights, Grocery stores within a 15-minute walk, Doctors and clinics within a 15-minute walk, Schools within a 15-minute walk
How precise is each number?Town-levelmeasured or computed for this townModelledestimated from a grid or a modelRegionalonly available for the wider area
São Marcos da Serra compared with Porto
Pick another town in Portugal to see the differences in plain terms.
- 2°C warmer in JanuaryAverage January highSão Marcos da Serra 15°CPorto 13°C
- 6°C hotter in JulyAverage July highSão Marcos da Serra 32°CPorto 26°C
- 47 fewer rainy days a yearDays with rain per yearSão Marcos da Serra 72Porto 119
- 22 more very hot days a yearDays above 35°C per yearSão Marcos da Serra 23Porto 1.0
- 23 min more daylight in DecemberDaylight on 21 DecemberSão Marcos da Serra 9 h 35 minPorto 9 h 12 min
Housing & costs
Official · INE Portugal, EurostatAt these medians, a 70 m² home costs about €600 a month to rent and about €200,000 to buy.
São Marcos da Serra is in the municipality of Silves. Rents, prices and crime are published for each municipality as a whole, not for single towns.
Climate today
Town-level · ERA5-Land reanalysis 1991-2020Month by month
Town-level · ERA5-Land reanalysis 1991-2020August is the warmest month (32°C average high) and January the coolest (15°C). December is the wettest (73 mm) and July the driest (2 mm).
Best time to visit
- Walking and cyclingFebruaryBy the published month rules
- JanuaryAir 15°8 rain daysCrowds: Low
- FebruaryAir 16°7 rain daysCrowds: Low
- MarchAir 19°8 rain daysCrowds: Low
- AprilAir 21°9 rain daysCrowds: Medium
- MayAir 24°7 rain daysCrowds: Medium
- JuneAir 28°2 rain daysCrowds: High
- JulyAir 32°1 rain dayCrowds: Peak
- AugustAir 32°1 rain dayCrowds: Peak
- SeptemberAir 28°4 rain daysCrowds: Medium
- OctoberAir 24°8 rain daysCrowds: Medium
- NovemberAir 19°8 rain daysCrowds: Low
- DecemberAir 16°9 rain daysCrowds: Low
Crowd levels are for the Algarve as a whole: nights booked through online platforms in 2025, against the region's busiest month (Eurostat).
Is it getting hotter?
Town-level · ERA5-Land reanalysisDays above 35°C per year
Both measured periods come from the same reanalysis as the climate section.
Healthcare & getting around
Town-level · straight-line distancesWithin 1.2 km of the centre
- Grocery stores0
- Pharmacies1
- Doctors & clinics0
- Train stationNo
30 min by car
- Hospitals0
- Sea beaches0
- People25,295
60 min by car
- Towns over 10,00013
- Hospitals9
- Sea beaches148
- People438,457
- Nearest train stationMessines - Alte14 km
- Nearest bus stationTerminal Rodoviário de Lagoa14 km
- Nearest hospitalCentro Hospitalar e Universitário do Algarve-Hospital de Portimão27 km
- Quickest hospital by carHospital Lusíadas Albufeira36 min
- Nearest airport with scheduled flightsPortimão Airport (PRM)30 km
Distances are straight lines from the town centre. Drive times are by road in free-flowing traffic (OSRM on OpenStreetMap roads); people counts add up the towns reached.
Daily life
Town-level · Overture Maps places, 2026-10-21.0Within 1.2 km of the centre
- 0Grocery stores & supermarketsPortugal median: 3
- 1PharmaciesPortugal median: 1
- 1CafésPortugal median: 4
- 0RestaurantsPortugal median: 9
- 0BakeriesPortugal median: 2
- 0Gyms & fitness studiosPortugal median: 1
- 0SchoolsPortugal median: 2
- 0Doctors & clinicsPortugal median: 1
Nature & surroundings
Town-level · WorldCover, Copernicus DEM, Natura 2000, OpenStreetMapPeople & community
Modelled · EU Census 2021 gridUnder 1515 to 6465 and over
International residents
| Share of residents | São Marcos da Serra | Median town in Portugal |
|---|---|---|
| Born in another EU country | 2.4% | 1.6% |
| Born outside the EU | 5.6% | 5.5% |
| Moved here from abroad in the past year | 0.5% | 1.1% |
8.0% of residents were born abroad, against 7.1% in the median town in Portugal (2021 census). From the 1 km census grid cells within 1.5 km of the centre (414 residents counted).
Environment & natural hazards
- Earthquakes1 since 1900Magnitude 5 or larger within 100 km. Largest: M5.3.Town-level · USGS earthquake catalog
- Air quality5.2 µg/m³Average fine particles (PM2.5) at the centre in 2023. The WHO guideline for the yearly average is 5 µg/m³.Modelled · EEA
- Wildfire4 of 10 yearsYears with a fire of 30 ha or more within 10 km of the centre, 2016-2025; 31,408 ha burnt by those fires.Town-level · EFFIS
Places like São Marcos da Serra
Matched on climate, amenities, nearest and access
- MarinhaisOeste e Vale do Tejo71% match
- BenaventeOeste e Vale do Tejo69% match
- PaderneAlgarve68% match
- PêraAlgarve67% match
- AlcantarilhaAlgarve66% match
Measures used: Average January high, Average July high, Days above 35°C a year in the last ten years, Days with rain a year, Grocery stores within a 15-minute walk, Cafés within a 15-minute walk, Distance to the nearest train station and Distance to the nearest airport with scheduled flights. A match of 100% would mean the same values on every one.
Common questions about São Marcos da Serra
What is the weather like in São Marcos da Serra through the year?
January averages a high of 15°C and a low of 7°C; July averages 32°C and 18°C. There are about 72 days with rain a year. These are averages for 1991-2020.
How many very hot days does São Marcos da Serra get?
São Marcos da Serra averaged 23 days a year above 35°C in 2016-2025, against 12 a year in 1991-2000.
Does it freeze in São Marcos da Serra?
São Marcos da Serra averaged fewer than one frost day a year (below 0°C) in 2016-2025.
What is within walking distance of the centre of São Marcos da Serra?
Within 1.2 km of the centre there are no grocery stores, 1 pharmacy, no doctors and clinics and 1 café. In a straight line, the nearest train station is 14 km away, the nearest bus station is 14 km away, the nearest hospital is 27 km away, the nearest beach is 29 km away and the nearest coastline is 29 km away.
What is the nearest airport to São Marcos da Serra?
Portimão Airport (PRM), 30 km from the centre in a straight line.
How much daylight does São Marcos da Serra get in winter?
9 h 35 min on 21 December, against 14 h 45 min on 21 June.
When is the best time to visit São Marcos da Serra?
By the published month rules: walking and cycling from February.
How much does a home cost in São Marcos da Serra?
The median rent was €8.59/m² a month (2024, new leases), about €600 for 70 m². Homes sold for €2,860/m² (2026 Q2, median of the last 12 months), about €200,000 for 70 m². These are figures for the municipality of Silves as a whole.
Sources & methodology
Every value comes from one of the open datasets below and is computed the same way for every town. Each section names how precise its values are: town-level, modelled or regional. Distances are straight lines from the town centre, and amenities are counted within 1.2 km of it. Read the full methodology.
"Who São Marcos da Serra suits" lines come from fixed rules applied to every town in the same way. A rule only uses values that are modelled or better, and each line shows the numbers that triggered it. How the rules work.
| Dataset | Used for | Version | Licence |
|---|---|---|---|
| Copernicus DEM GLO-30 (30 m elevation) | Elevation | glo30_s120 | Copernicus DEM licence (free for any use, with attribution) |
| PM2.5, European air quality data (EEA, interpolated 1 km map) | Air quality | pm25_2023 | CC BY 4.0 |
| Burnt areas (European Forest Fire Information System, EFFIS) | Wildfires | 2016-2025 | CC BY 4.0 |
| ERA5-Land reanalysis (Copernicus Climate Data Store) | Climate | points_1991-2025 | CC BY 4.0 |
| ESA WorldCover 2021 (10 m land cover) | Land cover | v200_2021 | CC BY 4.0 |
| EU Census 2021 population grid (Eurostat) | Census grid | V3 | Free reuse with acknowledgement (European Commission reuse policy) |
| Nights spent in short-stay accommodation booked through online platforms (Eurostat tour_ce_omn12) | Crowds | 2026-11-01 | CC BY 4.0 |
| Price level indices (Eurostat prc_ppp_ind) | Price level | 2026-11-01 | CC BY 4.0 |
| GeoNames | Place names and populations | 2026-10-31 | CC BY 4.0 |
| INE Portugal (local statistics on rents, house prices, crime and population) | Rents, house prices, crime and population | 2026-11-01 | CC BY 4.0 |
| Natura 2000 protected sites (EEA, end 2024) | Protected areas | end2024 | CC BY 4.0 |
| OpenStreetMap (Geofabrik extracts) | Stations, hospitals, beaches, coastline | 2026-10-31 | ODbL 1.0 |
| OurAirports | Airports | 2026-10-31 | Public domain |
| Overture Maps places | Amenities | 2026-10-21.0 | CDLA-Permissive-2.0 |
| TEMIS UV index climatology (KNMI / ESA) | UV index | v2.0_clim_2004-2020 | Free use with credit; TEMIS asks to be told how the data is used |
| USGS earthquake catalog (ComCat) | Earthquakes | 2026-10-31 | Public domain |