Measure · Climate · 759 towns
Days above 35°C in Portugal: which towns get the most, and how it has changed
The median town in Portugal now has 2 days a year above 35°C (2016-2025), up from 1 day in 1991-2000. Mértola (Alentejo) has the most, 44 days.
Portugal, median town 1 → 21991-2000 → 2016-2025
Towns with a precise value 759Of 800 towns
Highest 44 daysMértola
Lowest 0 daysRibeira Grande and 115 other towns
How this is measured
- Definition
- Average number of days per year with a maximum temperature above 35°C.
- Precision
- Town-level: measured or computed for this town.
- Source
- ERA5-Land reanalysis (Copernicus Climate Data Store), CC BY 4.0.
- Periods
- 1991-2000 and 2016-2025, averaged over each period.
- Coverage
- 759 of 800 towns have a value precise enough to compare.
- Updated
- 1 November 2026