Month guide · São Romão, Portugal
São Romão in May: weather and what to expect
May highs in São Romão are now 1.4°C warmer than in 1991-2000. In May, São Romão averages highs of 20°C and lows of 10°C, with about 12 rainy days and 91 mm of rain. Highs are 4°C warmer than in April and 5°C cooler than in June. Crowds in Centro are low.
Is May a good time to visit?
Good for
No verdicts for São Romão in May yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 12 rainy days in the month
Daily highs through May
Town-level · ERA5-Land 1991-2020Highs climb about 5°C over the month. Nights below 5°C in about 1 in 2.
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 Romão |
|---|---|---|---|
| Alferrarede, Oeste e Vale do Tejo | 24°C | 9 | 109 km |
| Vila Velha de Ródão, Centro | 24°C | 8 | 83 km |
| Tomar, Oeste e Vale do Tejo | 23°C | 9 | 107 km |
| Atalaia, Alentejo | 23°C | 9 | 106 km |
| Sardoal, Oeste e Vale do Tejo | 23°C | 9 | 104 km |
The nearest towns with a warmer May. Distances are in a straight line.
How May is changing
Town-level · ERA5-LandMay highs are 1.4°C warmer than in 1991-2000, and May rainfall is down about 45% (2016-2025 against 1991-2000). Days above 25°C in May went from 3.4 to 5.7 a year on average.
Questions about São Romão in May
Is May a good time to visit São Romão?
It is less suited to reliable dry weather (about 12 rainy days in the month).
How warm is São Romão in May?
Average highs are 20°C and lows 10°C. April averages 16°C and June 24°C.
Does it rain much in São Romão in May?
About 12 days have at least 1 mm of rain, with 91 mm in total over the month.
Is São Romão busy in May?
In May 2025, nights booked through online platforms in Centro were about 30% of the busiest month, which we count as low. The figure is for the whole region and leaves out hotels.
How long are the days in São Romão in May?
About 14 h 23 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