Month guide · Mértola, Portugal
Mértola in June: weather and what to expect
In June, Mértola averages highs of 31°C and lows of 17°C, with about 2 rainy days and 10 mm of rain. Highs are 5°C warmer than in May and 4°C cooler than in July. Crowds in the Alentejo are medium.
Is June a good time to visit?
Good for
No verdicts for Mértola in June 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 June
Town-level · ERA5-Land 1991-2020Highs climb about 3°C over the month.
June in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in June 2027
- 10 Jun Day of Portugal, Camões, and the Portuguese Communities
Local (municipal) holidays are not included.
Warmer in June
Where is warm in June →No town in Portugal with precise enough data has a warmer average June high than Mértola.
How June is changing
Town-level · ERA5-LandJune highs are 1.5°C warmer than in 1991-2000, and June rainfall is down about 25% (2016-2025 against 1991-2000). Days above 35°C in June went from 2.8 to 6.5 a year on average.
Questions about Mértola in June
How warm is Mértola in June?
Average highs are 31°C and lows 17°C. May averages 26°C and July 34°C.
Does it rain much in Mértola in June?
About 2 days have at least 1 mm of rain, with 10 mm in total over the month.
Is Mértola busy in June?
In June 2025, nights booked through online platforms in the Alentejo were about 45% 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 Mértola in June?
About 14 h 45 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