Month guide · Arcos de Valdevez, Portugal
Arcos de Valdevez in May: weather and what to expect
In May, Arcos de Valdevez averages highs of 21°C and lows of 11°C, with about 14 rainy days and 151 mm of rain. Highs are 3°C warmer than in April and 3°C cooler than in June. Crowds in Norte are medium.
Is May a good time to visit?
Good for
No verdicts for Arcos de Valdevez in May yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 14 rainy days in the month
Daily highs through May
Town-level · ERA5-Land 1991-2020Highs climb about 4°C over the month. A day above 30°C happens in roughly 1 May in 2; nights below 5°C in about 1 in 4.
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 Arcos de Valdevez |
|---|---|---|---|
| Montalvo, Oeste e Vale do Tejo | 24°C | 9 | 263 km |
| Vila Velha de Ródão, Centro | 24°C | 8 | 251 km |
| Montalvinho, Oeste e Vale do Tejo | 24°C | 9 | 263 km |
| Tomar, Oeste e Vale do Tejo | 23°C | 9 | 250 km |
| Sardoal, Oeste e Vale do Tejo | 23°C | 9 | 258 km |
The nearest towns with a warmer May. Distances are in a straight line.
How May is changing
Town-level · ERA5-LandMay highs are 1.2°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 4.8 to 7.5 a year on average.
Questions about Arcos de Valdevez in May
Is May a good time to visit Arcos de Valdevez?
It is less suited to reliable dry weather (about 14 rainy days in the month).
How warm is Arcos de Valdevez in May?
Average highs are 21°C and lows 11°C. April averages 18°C and June 24°C.
Does it rain much in Arcos de Valdevez in May?
About 14 days have at least 1 mm of rain, with 151 mm in total over the month.
Is Arcos de Valdevez busy in May?
In May 2025, nights booked through online platforms in Norte were about 55% 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 Arcos de Valdevez in May?
About 14 h 31 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