Month guide · São Brás de Alportel, Portugal

São Brás de Alportel in May: weather and what to expect

In May, São Brás de Alportel averages highs of 23°C and lows of 13°C, with about 7 rainy days and 37 mm of rain. Highs are 3°C warmer than in April and 5°C cooler than in June. Our rules rate it good for walking and cycling. Crowds in the Algarve are medium.

Based on 1991-2020 climate data · Updated 1 November 2026 · Sources

Average high Town-level23°CLow 13°C
Rainy days Town-level737 mm in total
UV index Modelled8Very high at noon on a clear day
Crowds RegionalMediumThe Algarve as a whole

Is May a good time to visit?

Good for

  • Walking and cycling
    Highs of 23°C with about 7 rainy days

Not ideal for

Nothing stands out as a weaker fit.

Daily highs through May

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs climb about 5°C over the month. A day above 30°C happens in roughly 1 May in 2.

May in detail

Town-level · ERA5-Land
MeasureAprilMayJune
Average high20°C23°C28°C
Average low11°C13°C17°C
Rainy days (at least 1 mm)872
Total rainfall53 mm37 mm10 mm
Daylight (mid-month)13 h 07 min14 h 08 min14 h 42 min

Crowds, holidays and daylight

Visitor level RegionalMediumNights booked through online platforms in the Algarve in May 2025: about 40% of the busiest month.

Public holidays in May 2027

  • 1 May Labor Day
  • 27 May Corpus Christi

Local (municipal) holidays are not included.

Daylight mid-month Exact14 h 08 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom São Brás de Alportel
Cabanas de Tavira, Algarve24°C626 km
Vila Nova de Cacela, Algarve24°C632 km
Conceição, Algarve24°C625 km
Paderne, Algarve24°C728 km
Ferreiras, Algarve24°C731 km

The nearest towns with a warmer May. Distances are in a straight line.

How May is changing

Town-level · ERA5-Land

May highs are 2.3°C warmer than in 1991-2000, and May rainfall is down about 40% (2016-2025 against 1991-2000). Days above 25°C in May went from 7.2 to 14 a year on average.

Questions about São Brás de Alportel in May

Is May a good time to visit São Brás de Alportel?

Our rules rate May good for walking and cycling (highs of 23°C with about 7 rainy days).

How warm is São Brás de Alportel in May?

Average highs are 23°C and lows 13°C. April averages 20°C and June 28°C.

Does it rain much in São Brás de Alportel in May?

About 7 days have at least 1 mm of rain, with 37 mm in total over the month.

Is São Brás de Alportel busy in May?

In May 2025, nights booked through online platforms in the Algarve were about 40% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.

How long are the days in São Brás de Alportel in May?

About 14 h 08 min from sunrise to sunset in the middle of the month.

Sources

Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology