Month guide · Viana do Castelo, Portugal
Viana do Castelo in March: weather and what to expect
March highs in Viana do Castelo are now 1.1°C cooler than in 1991-2000. The sea is still cool, around 13°C. In March, Viana do Castelo averages highs of 16°C and lows of 8°C, with about 12 rainy days and 164 mm of rain. Crowds in Norte are low.
Is March a good time to visit?
Good for
No verdicts for Viana do Castelo in March 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 March
Town-level · ERA5-Land 1991-2020Highs climb about 1°C over the month. A day above 20°C happens in roughly 1 March in 2.
March in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in March 2027
- 26 Mar Good Friday
- 28 Mar Easter Sunday
Local (municipal) holidays are not included.
Warmer in March
Where is warm in March →| Place | High | Rain days | From Viana do Castelo |
|---|---|---|---|
| Entroncamento, Oeste e Vale do Tejo | 18°C | 9 | 250 km |
| Tomar, Oeste e Vale do Tejo | 18°C | 9 | 235 km |
| Montalvinho, Oeste e Vale do Tejo | 18°C | 9 | 250 km |
| Torres Novas, Oeste e Vale do Tejo | 18°C | 9 | 248 km |
| Meia Via, Oeste e Vale do Tejo | 18°C | 9 | 248 km |
The nearest towns with a warmer March. Distances are in a straight line.
How March is changing
Town-level · ERA5-LandMarch highs are 1.1°C cooler than in 1991-2000, and March rainfall is up about 95% (2016-2025 against 1991-2000). Days above 20°C in March went from 3.2 to 1.5 a year on average.
Questions about Viana do Castelo in March
Is March a good time to visit Viana do Castelo?
It is less suited to reliable dry weather (about 12 rainy days in the month).
How warm is Viana do Castelo in March?
Average highs are 16°C and lows 8°C. February averages 14°C and April 17°C.
Does it rain much in Viana do Castelo in March?
About 12 days have at least 1 mm of rain, with 164 mm in total over the month.
Is Viana do Castelo busy in March?
In March 2025, nights booked through online platforms in Norte were about 35% 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 Viana do Castelo in March?
About 11 h 52 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