Month guide · São Bartolomeu de Messines, Portugal
São Bartolomeu de Messines in May: weather and what to expect
In May, São Bartolomeu de Messines averages highs of 24°C and lows of 13°C, with about 7 rainy days and 42 mm of rain. Highs are 4°C warmer than in April and 4°C cooler than in June. Crowds in the Algarve are medium.
Is May a good time to visit?
Good for
No verdicts for São Bartolomeu de Messines in May yet. They only use climate values that are precise enough to judge with.
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through May
Town-level · ERA5-Land 1991-2020Highs climb about 5°C over the month.
May in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in May 2027
- 1 May Labor Day
- 27 May Corpus Christi
Local (municipal) holidays are not included.
Warmer in May
Where is warm in May →| Place | High | Rain days | From São Bartolomeu de Messines |
|---|---|---|---|
| Mértola, Alentejo | 26°C | 7 | 70 km |
| Altura, Algarve | 25°C | 6 | 70 km |
| Cabanas de Tavira, Algarve | 24°C | 6 | 62 km |
| Vila Nova de Cacela, Algarve | 24°C | 6 | 67 km |
| Manta Rota, Algarve | 24°C | 6 | 69 km |
The nearest towns with a warmer May. Distances are in a straight line.
How May is changing
Town-level · ERA5-LandMay highs are 2.5°C warmer than in 1991-2000, and May rainfall is down about 45% (2016-2025 against 1991-2000). Days above 30°C in May went from 2.4 to 5.9 a year on average.
Questions about São Bartolomeu de Messines in May
How warm is São Bartolomeu de Messines in May?
Average highs are 24°C and lows 13°C. April averages 21°C and June 29°C.
Does it rain much in São Bartolomeu de Messines in May?
About 7 days have at least 1 mm of rain, with 42 mm in total over the month.
Is São Bartolomeu de Messines 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 Bartolomeu de Messines 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