Month guide · Grândola, Portugal

Grândola in October: weather and what to expect

In October, Grândola averages highs of 22°C and lows of 14°C, with about 9 rainy days and 77 mm of rain. Highs are 4°C cooler than in September and 5°C warmer than in November. Crowds in the Alentejo are low.

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

Average high Town-level22°CLow 14°C
Rainy days Town-level977 mm in total
UV index Modelled4Moderate at noon on a clear day
Crowds RegionalLowThe Alentejo as a whole

Is October a good time to visit?

Good for

No verdicts for Grândola in October 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 October

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs fall about 4°C over the month. A day above 30°C happens in roughly 1 October in 5; nights below 10°C in about 1 in 3.

October in detail

Town-level · ERA5-Land
MeasureSeptemberOctoberNovember
Average high26°C22°C18°C
Average low16°C14°C11°C
Rainy days (at least 1 mm)4910
Total rainfall29 mm77 mm79 mm
Daylight (mid-month)12 h 30 min11 h 16 min10 h 09 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in the Alentejo in October 2025: about 25% of the busiest month.

Public holidays in October 2027

  • 5 Oct Republic Day

Local (municipal) holidays are not included.

Daylight mid-month Exact11 h 16 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Grândola
Ermidas, Alentejo24°C826 km
Ferreira do Alentejo, Alentejo24°C842 km
Aljustrel, Alentejo23°C848 km
Alcácer do Sal, Alentejo23°C922 km
Alvito, Alentejo23°C851 km

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

How October is changing

Town-level · ERA5-Land

October highs are 2.5°C warmer than in 1991-2000, and October rainfall is about the same (2016-2025 against 1991-2000). Days above 25°C in October went from 3.5 to 11 a year on average.

Questions about Grândola in October

How warm is Grândola in October?

Average highs are 22°C and lows 14°C. September averages 26°C and November 18°C.

Does it rain much in Grândola in October?

About 9 days have at least 1 mm of rain, with 77 mm in total over the month.

Is Grândola busy in October?

In October 2025, nights booked through online platforms in the Alentejo were about 25% 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 October?

About 11 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