Portugal in august: average Weather, Temperature and Climate, Where to go?
Weather in Portugal in august 2025
Here, find the the weather forecast for the month of august for most popular cities in Portugal. These datas are statistics for august from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in august in Lisbon
perfect weather UV index: 7
Weather at 6am
18°C
Clear/Sunny
57% of time
25%
12%
4%
Weather at 12pm
27°C
Clear/Sunny
80% of time
14%
5%
2%
Weather at 6pm
24°C
Clear/Sunny
84% of time
12%
3%
1%
Weather at 3am
19°C
62%
23%
11%
3%
Where to go in Portugal in august?
Where to go in Portugal in august: destination map
Where to go in each region in august?
| Alentejo (Evora, Sines, Beja...) | 25°C to 36°C | 0 day | 20°C to 21°C | perfect weather |
| Algarve (Faro (Algarve), Albufeira, Lagos...) | 23°C to 29°C | 0 day | 21°C to 23°C | perfect weather |
| Central Portugal (Lisbon, Aveiro, Coimbra...) | 24°C to 34°C | 0 à 1 days | 18°C to 20°C | perfect weather |
| Northern Portugal (Porto, Viana do Castelo, Amarante...) | 24°C to 31°C | 1 à 2 days | 18°C | perfect weather |
Where should you go in Portugal in august when it comes to the weather?
Remember:
The climate in Portugal in august is perfect across the board.
The atmosphere in August is slightly warmer than in July, although at first glance the climatic conditions are the same. Indeed, if in the north the climate is perfect while to the south, the heat which continues to increase can inconvenience the more sensitive. On the archipelago of Madeira, all conditions are met in order to benefit from a good stay.
August in Lisbon, Porto and Northern Portugal
The pleasant warmth of the morning, the thermal comfort of the middle of the day and the mild temperatures of the late afternoon are the characteristics of the climate throughout August in Portugal - especially in the north. Moreover, the presence of the sun all day long allows to leave on excursion with peace of mind.
August in Faro (Algarve) and Southern Portugal
Aside from the pleasant warmth of the morning, climatic conditions in the south can be uncomfortable. Indeed, it is hot in both mid and end m of day. This is where the breath of the sea breeze is beneficial for vacationers because it promotes a more pleasant sensation.
August in the Madeira Archipelago
The heat is now on the Madeira archipelago. Weather conditions allow to enjoy a weather in Portugal throughout August that is close to the ideal as midday is comfortable and the rains continue to regress.
Climate in Portugal in august
Climate in Lisbon in august
In the month of august, maximum temperature is 28°C and minimum temperature is 18°C (for an average temperature of 23°C). The climate quite pleasant there in the month of august. It rains very rarely during this month. You will not get wet during your trip!
With a perfect weather, august is a recommended month to go in that area in Portugal.
| August | |||
| Average temperature | 23°C | ||
| Highest temperature | 28°C | ||
| Lowest temperature | 18°C | ||
| Sea temperature | 19.6°C | ||
| Rainfall | 8mm | ||
| Number of days with rainfall | 0 day(s) (1%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 13% | ||
| Length of day | 13:40 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Albufeira in august
In the month of august, the mean temperature in Albufeira is 24°C (maximum temperature is 28°C and minimum temperature is 20°C). The climate is burning in this city in august. It's raining really exceptionally during the month of august. You stay dry for your vacations!
With ideal weather conditions, august is a recommended month to go there in Portugal.
| August | |||
| Average temperature | 24°C | ||
| Highest temperature | 28°C | ||
| Lowest temperature | 20°C | ||
| Sea temperature | 21.6°C | ||
| Rainfall | 3mm | ||
| Number of days with rainfall | 0 day(s) (0%) | ||
| Humidity | 74% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 6% | ||
| Length of day | 13:35 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Aveiro in august
In august, maximum temperature is 26°C and minimum temperature is 18°C (for an average temperature of 22°C). The climate is nice here in this month. With 15mm over 1 days, the rain will not be a problem throughout your journey.
With a perfect weather, august is a recommended time to go in this locality.
| August | |||
| Average temperature | 22°C | ||
| Highest temperature | 26°C | ||
| Lowest temperature | 18°C | ||
| Sea temperature | 17.7°C | ||
| Rainfall | 15mm | ||
| Number of days with rainfall | 1 day(s) (3%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 18% | ||
| Length of day | 13:48 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Coimbra in august
In the month of august, the mean temperature in Coimbra is 23°C (maximum temperature is 30°C and minimum temperature is 16°C). The climate is very hot in this city in this month. With 12mm over 1 days, the rain will not be a problem for your journey.
With a perfect climate, august is an advisable month to go in that area in Portugal.
| August | |||
| Average temperature | 23°C | ||
| Highest temperature | 30°C | ||
| Lowest temperature | 16°C | ||
| Rainfall | 12mm | ||
| Number of days with rainfall | 1 day(s) (2%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 22% | ||
| Length of day | 13:46 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Faro (Algarve) in august
In the month of august, the mean temperature in Faro is 24°C (maximum temperature is 28°C and minimum temperature is 21°C). The climate is burning in this city in august. It's raining really exceptionally during the month of august. You will therefore be at the shelter from rain for your holidays!
With a good climate, the month of august is an advisable month to go in this locality in Portugal.
| August | |||
| Average temperature | 24°C | ||
| Highest temperature | 28°C | ||
| Lowest temperature | 21°C | ||
| Sea temperature | 22.1°C | ||
| Rainfall | 3mm | ||
| Number of days with rainfall | 0 day(s) (0%) | ||
| Humidity | 71% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 6% | ||
| Length of day | 13:34 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in Portugal in august
| Lisbon in august | perfect weather |
| Albufeira in august | perfect weather |
| Aveiro in august | perfect weather |
| Coimbra in august | perfect weather |
| Faro (Algarve) in august | perfect weather |
| Fatima in august | perfect weather |
| Lagos in august | perfect weather |
| Porto in august | perfect weather |
| Viana do Castelo in august | perfect weather |
| Amarante in august | perfect weather |
| Beja in august | perfect weather |
| Cascais in august | perfect weather |
| Evora in august | perfect weather |
| Portimao in august | perfect weather |
| Praia de Mira in august | perfect weather |
| Sines in august | perfect weather |
| Sintra in august | perfect weather |
| Alcobaça in august | perfect weather |
| Aljezur in august | perfect weather |
| Altura in august | perfect weather |
| Arganil in august | perfect weather |
| Caminha in august | perfect weather |
| Carvoeiro in august | perfect weather |
Weather data for Portugal in august:
Weather data for Portugal in august is derived from an average of the weather forecast since 2009 in Portugal. There is a margin of error and these forecasts are to be considered as general information only. The weather in Portugal can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Portugal.