Alentejo

Alentejo Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in the Alentejo, Portugal in August.

Planning a trip to the Alentejo, Portugal this August? Here's what you need to know about the weather:

What to Expect in the Alentejo in August

The Alentejo, Portugal is a region in Portugal. The Alentejo, Portugal has a wide variety of climate types. During August, you can expect temperatures that range from warm to very warm and precipitation levels ranging from almost none to low. August falls during the summer season.

Temperatures

During the day temperatures vary from warm in Prazeres at 24°C (75°F) to very warm in Monsaraz at 35°C (95°F). At night it cools down to 19°C (66°F) in Monsaraz and 20°C (68°F) in Prazeres. On average, August is the warmest month of the year in the Alentejo, Portugal. So be prepared and pack summer clothes.

For a closer look at conditions across the Alentejo, Portugal, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From almost no rainfall in Sines with an average of 4.2 mm (0.2 in) to low rainfall in Penhas Douradas with 20 mm (0.8 in).

Average sunshine

August brings good sunshine to many areas. Vila Nova de Milfontes sees around 340 hours of sunlight, great for visitors looking for bright days.

Explore the Alentejo by month

Pick a month to see the average temperature, rainfall and sunshine in the Alentejo — and find the best time to visit. (based on Vila Nova de Milfontes)

Best Places to Visit in the Alentejo in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Alentejo.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Alentejo

What is the weather like in August for some of the most popular destinations in the Alentejo, Portugal?

Temperature range in the Alentejo (August)

Precipitation variation in the Alentejo (August)

Vila Nova de Milfontes

In August Vila Nova de Milfontes generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Min temperature
17°C (63°F)
18°C (64°F)
17°C (63°F)
Monthly sun hours
371 hours
340 hours
270 hours
Monthly rainfall
2.6 mm (0.1 in)
4.8 mm (0.2 in)
27 mm (1.1 in)
Monthly rainy days
a single day
a single day
4 days
Weather conditions

Évora

In August Évora generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
34°C (93°F)
34°C (93°F)
30°C (86°F)
Min temperature
17°C (63°F)
18°C (64°F)
16°C (61°F)
Monthly sun hours
370 hours
340 hours
263 hours
Monthly rainfall
3.2 mm (0.1 in)
5.5 mm (0.2 in)
33 mm (1.3 in)
Monthly rainy days
2 days
2 days
5 days
Weather conditions

Zambujeira do Mar

In August Zambujeira do Mar generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Min temperature
18°C (64°F)
18°C (64°F)
17°C (63°F)
Monthly sun hours
371 hours
340 hours
270 hours
Monthly rainfall
2.4 mm (0.1 in)
4.8 mm (0.2 in)
27 mm (1.1 in)
Monthly rainy days
a single day
a single day
3 days
Weather conditions

Odeceixe

In August Odeceixe generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Min temperature
18°C (64°F)
18°C (64°F)
17°C (63°F)
Monthly sun hours
371 hours
340 hours
270 hours
Monthly rainfall
2.3 mm (0.1 in)
4.4 mm (0.2 in)
26 mm (1 in)
Monthly rainy days
a single day
a single day
3 days
Weather conditions

Marvão

In August Marvão generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
33°C (91°F)
33°C (91°F)
29°C (84°F)
Min temperature
18°C (64°F)
18°C (64°F)
16°C (61°F)
Monthly rainfall
5.3 mm (0.2 in)
9.4 mm (0.4 in)
39 mm (1.5 in)
Monthly rainy days
4 days
3 days
7 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Alentejo, in Portugal.

In our records: Portugal August extremes

Notable August records observed across cities in Portugal in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Portugal reached 45°C (113°F) in Évora on August 4, 2018.

Popular cities in August

Day & night temperatures, rainfall and average weather in the Alentejo in August.

City Weather Day temp Night temp Rainfall
Vila Nova de Milfontes 27°C (81°F) 18°C (64°F) 4.8 mm (0.2 in)
Évora 34°C (93°F) 18°C (64°F) 5.5 mm (0.2 in)
Zambujeira do Mar 27°C (81°F) 18°C (64°F) 4.8 mm (0.2 in)
Odeceixe 27°C (81°F) 18°C (64°F) 4.4 mm (0.2 in)
Marvão 33°C (91°F) 18°C (64°F) 9.4 mm (0.4 in)
Elvas 34°C (93°F) 19°C (66°F) 5.3 mm (0.2 in)

The Alentejo weather in August: frequently asked questions

What is the weather like in the Alentejo, Portugal in August?

Expect perfect weather across the Alentejo, Portugal in August. The popular destination of Vila Nova de Milfontes averages 27°C (81°F) by day and 18°C (64°F) at night during this summer month.

What is the average temperature in the Alentejo, Portugal in August?

Daytime temperatures in Vila Nova de Milfontes peak at roughly 27°C (81°F) in August, dropping to about 18°C (64°F) overnight.

Does the Alentejo, Portugal get a lot of rain in August?

Not particularly. Vila Nova de Milfontes averages just 4.8 mm (0.2 in) of rain in August, making it a mostly dry month for the Alentejo, Portugal.

Is August a Good Time to Visit the Alentejo, Portugal?

We believe that August is one of the best times to visit the Alentejo, Portugal with overall perfect weather in Vila Nova de Milfontes.

Generally speaking, April, May, June, July, August, September and October provide perfect weather in Vila Nova de Milfontes. On the other hand, the weather in January, February and December tend to be tolerable.

Interested in more climate information?

We have much more information about the climate in the Alentejo.

Weather and climate has detailed information for every country in the world. Are you going to Portugal? Get detailed historical weather averages for many cities in Portugal.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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