Month guide · Viana do Castelo, Portugal
Viana do Castelo in June: weather and what to expect
In June, Viana do Castelo averages highs of 22°C and lows of 15°C, with about 8 rainy days and 56 mm of rain. Highs are 3°C warmer than in May and 2°C cooler than in July. Crowds in Norte are medium.
Is June a good time to visit?
Good for
No verdicts for Viana do Castelo 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 2°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 →| Place | High | Rain days | From Viana do Castelo |
|---|---|---|---|
| Vila Velha de Ródão, Centro | 29°C | 3 | 247 km |
| Sardoal, Oeste e Vale do Tejo | 28°C | 4 | 247 km |
| Castelo Branco (Centro), Centro | 28°C | 3 | 237 km |
| Tomar, Oeste e Vale do Tejo | 27°C | 4 | 235 km |
| Mirandela, Norte | 27°C | 5 | 139 km |
The nearest towns with a warmer June. Distances are in a straight line.
How June is changing
Town-level · ERA5-LandJune highs are about the same as in 1991-2000, and June rainfall is up about 25% (2016-2025 against 1991-2000). Days above 25°C in June went from 3.8 to 4.1 a year on average.
Questions about Viana do Castelo in June
How warm is Viana do Castelo in June?
Average highs are 22°C and lows 15°C. May averages 19°C and July 24°C.
Does it rain much in Viana do Castelo in June?
About 8 days have at least 1 mm of rain, with 56 mm in total over the month.
Is Viana do Castelo busy in June?
In June 2025, nights booked through online platforms in Norte were about 60% 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 Viana do Castelo in June?
About 15 h 11 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