Month guide · Vendas Novas, Portugal

Vendas Novas in August: weather and what to expect

In August, Vendas Novas averages highs of 32°C and lows of 17°C, with about 2 rainy days and 6 mm of rain. Highs are about the same as in July and 4°C warmer than in September. Our rules rate it good for beach days. Crowds in the Alentejo are at their peak.

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

Average high Town-level32°CLow 17°C
Rainy days Town-level26 mm in total
UV index Modelled8Very high at noon on a clear day
Crowds RegionalPeakThe Alentejo as a whole

Is August a good time to visit?

Good for

  • Beach days
    Highs of 32°C and about 2 rainy days

Not ideal for

Nothing stands out as a weaker fit.

Daily highs through August

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

Highs fall about 1°C over the month. A day above 40°C happens in roughly 1 August in 6.

August in detail

Town-level · ERA5-Land
MeasureJulyAugustSeptember
Average high31°C32°C28°C
Average low16°C17°C15°C
Rainy days (at least 1 mm)125
Total rainfall4 mm6 mm31 mm
Daylight (mid-month)14 h 38 min13 h 43 min12 h 30 min

Crowds, holidays and daylight

Visitor level RegionalPeakNights booked through online platforms in the Alentejo in August 2025: the busiest month of the year.

Public holidays in August 2027

  • 15 Aug Assumption Day

Local (municipal) holidays are not included.

Daylight mid-month Exact13 h 43 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Vendas Novas
Santo André, Alentejo32°C246 km
Évora, Alentejo32°C250 km
Montemor-o-Novo, Alentejo32°C221 km
Coruche, Alentejo32°C232 km
Montargil, Alentejo32°C251 km

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

How August is changing

Town-level · ERA5-Land

August highs are 2.2°C warmer than in 1991-2000, and August rainfall is down about 70% (2016-2025 against 1991-2000). Days above 35°C in August went from 6.4 to 9.6 a year on average.

Questions about Vendas Novas in August

Is August a good time to visit Vendas Novas?

Our rules rate August good for beach days (highs of 32°C and about 2 rainy days).

How warm is Vendas Novas in August?

Average highs are 32°C and lows 17°C. July averages 31°C and September 28°C.

Does it rain much in Vendas Novas in August?

About 2 days have at least 1 mm of rain, with 6 mm in total over the month.

Is Vendas Novas busy in August?

In August 2025, nights booked through online platforms in the Alentejo 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 Vendas Novas in August?

About 13 h 43 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