Month guide · Grândola, Portugal

Grândola in April: weather and what to expect

In April, Grândola averages highs of 19°C and lows of 11°C, with about 10 rainy days and 60 mm of rain. Highs are 1°C warmer than in March and 3°C cooler than in May. Crowds in the Alentejo are low.

Based on 1991-2020 climate data · Updated 1 November 2026 · Sources

Average high Town-level19°CLow 11°C
Rainy days Town-level1060 mm in total
UV index Modelled7High at noon on a clear day
Crowds RegionalLowThe Alentejo as a whole

Is April a good time to visit?

Good for

No verdicts for Grândola 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 1991-2020
Usual range (8 in 10 years)Typical high

Highs 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-Land
MeasureMarchAprilMay
Average high18°C19°C22°C
Average low10°C11°C13°C
Rainy days (at least 1 mm)8107
Total rainfall58 mm60 mm42 mm
Daylight (mid-month)11 h 53 min13 h 09 min14 h 13 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in the Alentejo in April 2025: about 30% of the busiest month.

Public holidays in April 2027

  • 25 Apr Freedom Day

Local (municipal) holidays are not included.

Daylight mid-month Exact13 h 09 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Grândola
Ermidas, Alentejo21°C926 km
Ferreira do Alentejo, Alentejo21°C842 km
Aljustrel, Alentejo20°C848 km
Alcácer do Sal, Alentejo20°C922 km
Alvito, Alentejo20°C951 km

The nearest towns with a warmer April. Distances are in a straight line.

How April is changing

Town-level · ERA5-Land

April 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 11 to 13 a year on average.

Questions about Grândola in April

How warm is Grândola in April?

Average highs are 19°C and lows 11°C. March averages 18°C and May 22°C.

Does it rain much in Grândola in April?

About 10 days have at least 1 mm of rain, with 60 mm in total over the month.

Is Grândola 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 Grândola 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