Month guide · Santiago do Cacém, Portugal
Santiago do Cacém in April: weather and what to expect
In April, Santiago do Cacém averages highs of 18°C and lows of 11°C, with about 10 rainy days and 58 mm of rain. Highs are 1°C warmer than in March and 3°C cooler than in May. Crowds in the Alentejo are low.
Is April a good time to visit?
Good for
No verdicts for Santiago do Cacém in April 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 April
Town-level · ERA5-Land 1991-2020Highs climb about 2°C over the month. A day above 25°C happens in roughly 1 April in 2.
April in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in April 2027
- 25 Apr Freedom Day
Local (municipal) holidays are not included.
Warmer in April
Where is warm in April →| Place | High | Rain days | From Santiago do Cacém |
|---|---|---|---|
| Ermidas, Alentejo | 21°C | 9 | 28 km |
| Ferreira do Alentejo, Alentejo | 21°C | 8 | 51 km |
| Aljustrel, Alentejo | 20°C | 8 | 49 km |
| Odemira, Alentejo | 20°C | 9 | 47 km |
| Alcácer do Sal, Alentejo | 20°C | 9 | 43 km |
The nearest towns with a warmer April. Distances are in a straight line.
How April is changing
Town-level · ERA5-LandApril highs are 0.8°C warmer than in 1991-2000, and April rainfall is about the same (2016-2025 against 1991-2000). Days above 20°C in April went from 8.4 to 9.9 a year on average.
Questions about Santiago do Cacém in April
How warm is Santiago do Cacém in April?
Average highs are 18°C and lows 11°C. March averages 17°C and May 21°C.
Does it rain much in Santiago do Cacém in April?
About 10 days have at least 1 mm of rain, with 58 mm in total over the month.
Is Santiago do Cacém busy in April?
In April 2025, nights booked through online platforms in the Alentejo 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 Santiago do Cacém in April?
About 13 h 09 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