Month guide · São João, Portugal
São João in April: weather and what to expect
April highs in São João are now 0.9°C warmer than in 1991-2000. The sea is still cool, around 15°C. In April, São João averages highs of 18°C and lows of 10°C, with about 13 rainy days and 123 mm of rain. Crowds in Centro are medium.
Is April a good time to visit?
Good for
No verdicts for São João in April yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 13 rainy days in the month
Daily highs through April
Town-level · ERA5-Land 1991-2020Highs climb about 1°C over the month. A day above 25°C happens in roughly 1 April in 2; nights below 5°C in about 1 in 6.
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 São João |
|---|---|---|---|
| Tomar, Oeste e Vale do Tejo | 20°C | 11 | 142 km |
| Montalvinho, Oeste e Vale do Tejo | 20°C | 10 | 156 km |
| Torres Novas, Oeste e Vale do Tejo | 20°C | 10 | 155 km |
| Meia Via, Oeste e Vale do Tejo | 20°C | 10 | 155 km |
| Vila Velha de Ródão, Centro | 20°C | 10 | 156 km |
The nearest towns with a warmer April. Distances are in a straight line.
How April is changing
Town-level · ERA5-LandApril highs are 0.9°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 7.5 to 10 a year on average.
Questions about São João in April
Is April a good time to visit São João?
It is less suited to reliable dry weather (about 13 rainy days in the month).
How warm is São João in April?
Average highs are 18°C and lows 10°C. March averages 17°C and May 21°C.
Does it rain much in São João in April?
About 13 days have at least 1 mm of rain, with 123 mm in total over the month.
Is São João busy in April?
In April 2025, nights booked through online platforms in Centro were about 35% 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 São João in April?
About 13 h 16 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