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Normal weather for Portugal in August

It's warm in August in Portugal with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 19°C and 22°C.

According to weather history, there is only 0,9 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.

Portugal in August

UK
Temperature Average Temperature
29°C 22°C
Sun High Temp
31°C 24°C
Sun Low Temp
27°C 19°C
Rain Total Precipitation
0,9 mm 60 mm
Rain Rainy Days
1 day 10 days

Start of August

The month of August starts in Portugal with hot temperatures, averaging around 30°C during the day and nights close to 21°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.

Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.

Mid-August

By mid-August, the average daytime temperature drops to around 29°C, with nights close to 21°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.

Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.

End of August

By the end of August, the average daytime temperature in Portugal will be around 29°C, with nights close to 21°C. No precipitation expected, with plenty of sunshine on the horizon.

As it gets cooler in the evening, it’s best to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is August a good time to visit Portugal?

Want nice weather? Then August is a great time to be in Portugal. You’ll have pleasant temperatures and little chance of rain this month.

Temperature records for Portugal in August

With 40°C, Portugal hit the highest temperature in the last 10 years in August 2021. The lowest daytime temperature in this month was 22°C in 2015. The extreme night temperatures ranged from a low of 15°C to a high of 29°C.

Check out the climate of Portugal for all months and discover the best travel time

The climate of Portugal is based on weather data from Algarve. Other spots, like Lisbon, Albufeira or Madeira, might have different weather. You can check out all destinations in Portugal for a full picture of the climate.

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Daily Temperature in August in Portugal

This chart shows the average daily temperatures, both day and night, for each day in August in Portugal, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in August in Portugal

Daily Precipitation in August in Portugal

The chart below shows the average daily precipitation in August for Portugal, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect about 1 day of rain in Portugal.

Daily Precipitation in August in Portugal

Daily UV Index in August in Portugal

This chart shows the average daily UV index in August in Portugal, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in August in Portugal

Temperature in August in Portugal Over the Years

This chart shows the average temperature in August in Portugal, measured in degrees Celsius, over the past years.

Temperature in August in Portugal Over the Years

Total Precipitation in August in Portugal Over the Years

This chart shows the average precipitation in August in Portugal, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in August in Portugal Over the Years

Daily climate in August for Portugal

Click on a specific day in August for detailed info on the typical weather on that day in Portugal. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in August in Portugal

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Average Weather in Portugal by Month

Click on a month below to see detailed weather info for Portugal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Portugal for all months at once

Islands in Portugal

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