Beiras region Weather in August

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

Are you planning a trip a to the Beiras region, Portugal in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in the Beiras region in August

The Beiras region, Portugal is a region in Portugal. August in the Beiras region generally has temperatures that range from warm to very warm, with low precipitation. During August, summer is in full swing.

Temperatures

During the day the temperature is warm in Aveiro at 27°C (81°F) and very warm in Idanha-a-Nova at 33°C (91°F). As night falls, temperatures generally drop to 18°C (64°F) in Idanha-a-Nova and 17°C (63°F) in Aveiro. On average, August is the warmest month of the year in the Beiras region, Portugal. So be prepared and pack summer clothes.

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

Precipitation

In August, precipitation varies across different areas. From low rainfall in Idanha-a-Nova with an average of 6.7 mm (0.3 in) to low rainfall in Viseu with 23 mm (0.9 in).

Average sunshine

Most destinations offer generous amounts of sunshine this August. For example, Coimbra gets approximately 301 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore the Beiras region by month

Pick a month to see the average temperature, rainfall and sunshine in the Beiras region — and find the best time to visit. (based on Coimbra)

Best Places to Visit in the Beiras region in August

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

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 Beiras region

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

Temperature range in the Beiras region (August)

Precipitation variation in the Beiras region (August)

Coimbra

In August Coimbra generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
27°C (81°F)
Min temperature
16°C (61°F)
16°C (61°F)
15°C (59°F)
Monthly sun hours
305 hours
301 hours
230 hours
Monthly rainfall
12 mm (0.5 in)
18 mm (0.7 in)
57 mm (2.2 in)
Monthly rainy days
6 days
5 days
9 days
Weather conditions

Aveiro

In August Aveiro generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
27°C (81°F)
25°C (77°F)
Min temperature
17°C (63°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
305 hours
301 hours
230 hours
Monthly rainfall
15 mm (0.6 in)
21 mm (0.8 in)
59 mm (2.3 in)
Monthly rainy days
6 days
5 days
9 days
Weather conditions

Seia

In August Seia generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
25°C (77°F)
Min temperature
15°C (59°F)
15°C (59°F)
13°C (55°F)
Monthly sun hours
345 hours
329 hours
228 hours
Monthly rainfall
16 mm (0.6 in)
21 mm (0.8 in)
65 mm (2.6 in)
Monthly rainy days
6 days
5 days
9 days
Weather conditions

Viseu

In August Viseu generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
25°C (77°F)
Min temperature
15°C (59°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
345 hours
329 hours
228 hours
Monthly rainfall
17 mm (0.7 in)
23 mm (0.9 in)
63 mm (2.5 in)
Monthly rainy days
6 days
5 days
9 days
Weather conditions

Gouveia

In August Gouveia generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
25°C (77°F)
Min temperature
15°C (59°F)
15°C (59°F)
13°C (55°F)
Monthly sun hours
345 hours
329 hours
228 hours
Monthly rainfall
15 mm (0.6 in)
19 mm (0.7 in)
59 mm (2.3 in)
Monthly rainy days
6 days
5 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Beiras region, 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 Beiras region in August.

City Weather Day temp Night temp Rainfall
Coimbra 29°C (84°F) 16°C (61°F) 18 mm (0.7 in)
Aveiro 27°C (81°F) 17°C (63°F) 21 mm (0.8 in)
Seia 29°C (84°F) 15°C (59°F) 21 mm (0.8 in)
Viseu 29°C (84°F) 15°C (59°F) 23 mm (0.9 in)
Gouveia 29°C (84°F) 15°C (59°F) 19 mm (0.7 in)
Castelo Branco 33°C (91°F) 18°C (64°F) 8.1 mm (0.3 in)

The Beiras region weather in August: frequently asked questions

What is the weather like in the Beiras region, Portugal in August?

Expect perfect weather across the Beiras region, Portugal in August. The popular destination of Coimbra averages 29°C (84°F) by day and 16°C (61°F) at night during this summer month.

What is the average temperature in the Beiras region, Portugal in August?

Average temperatures in the Beiras region, Portugal during August range from a nighttime low near 16°C (61°F) to a daytime high around 29°C (84°F) in Coimbra.

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

Rain is generally moderate to light in the Beiras region, Portugal during August, with Coimbra averaging close to 18 mm (0.7 in).

Is August a Good Time to Visit the Beiras region, Portugal?

We believe that August is one of the best times to visit the Beiras region, Portugal with overall perfect weather in Coimbra.

On average, the best time to visit the Beiras region, Portugal is in May, June, July, August and September with generally perfect weather in Coimbra. In contrast, January, November and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in the Beiras region.

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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