Month guide · Rosto de Cão, Portugal
Rosto de Cão in August: weather and what to expect
August is the warmest month of the year in Rosto de Cão. The sea is around 23°C, warm enough for most swimmers. In August, Rosto de Cão averages highs of 24°C and lows of 21°C, with about 10 rainy days and 47 mm of rain. Crowds in the Azores are at their peak.
Is August a good time to visit?
Good for
No verdicts for Rosto de Cão in August 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 August
Town-level · ERA5-Land 1991-2020Highs stay about the same through the month.
August in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in August 2027
- 15 Aug Assumption Day
Local (municipal) holidays are not included.
Warmer in August
Where is warm in August →| Place | High | Rain days | From Rosto de Cão |
|---|---|---|---|
| Marinhais, Oeste e Vale do Tejo | 31°C | 2 | 1,481 km |
| Bemfica, Oeste e Vale do Tejo | 31°C | 2 | 1,482 km |
| Benavente, Oeste e Vale do Tejo | 31°C | 2 | 1,472 km |
| Salvaterra de Magos, Oeste e Vale do Tejo | 31°C | 2 | 1,473 km |
| Vale de Santarém, Oeste e Vale do Tejo | 30°C | 2 | 1,479 km |
The nearest towns with a warmer August. Distances are in a straight line.
How August is changing
Town-level · ERA5-LandAugust highs are 0.6°C warmer than in 1991-2000, and August rainfall is up about 15% (2016-2025 against 1991-2000).
Questions about Rosto de Cão in August
How warm is Rosto de Cão in August?
Average highs are 24°C and lows 21°C. July averages 23°C and September 23°C.
Does it rain much in Rosto de Cão in August?
About 10 days have at least 1 mm of rain, with 47 mm in total over the month.
Is Rosto de Cão busy in August?
In August 2025, nights booked through online platforms in the Azores were the busiest month of the year, which we count as peak. The figure is for the whole region and leaves out hotels.
How long are the days in Rosto de Cão in August?
About 13 h 40 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