August weather forecast and climate
Negreiros, Portugal

Weather in August

The last month of the summer, August, is another warm month in Negreiros, Portugal, with average temperature ranging between max 27.2°C (81°F) and min 15°C (59°F).

Temperature

With an average high-temperature of 27.2°C (81°F) and an average low-temperature of 15°C (59°F), August is the warmest month.

Heat index

The average heat index in August is evaluated at 28.8°C (83.8°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like clothing, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

August and September, with an average relative humidity of 65%, are the least humid months in Negreiros.

Rainfall

In Negreiros, during August, the rain falls for 3.5 days and regularly aggregates up to 9mm (0.35") of precipitation. In Negreiros, during the entire year, the rain falls for 127.9 days and collects up to 828mm (32.6") of precipitation.

Daylight

In August, the average length of the day in Negreiros is 13.8h.

Sunshine

In August, the average sunshine is 10.7h.

UV index

The month with the highest UV index in Negreiros is August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Negreiros?

August is the warmest month in Negreiros, Portugal, with an average high-temperature of 27.2°C (81°F) and an average low-temperature of 15°C (59°F).

What is the temperature in August in Negreiros?

The average high-temperature, in August, in Negreiros, Portugal, is 27.2°C (81°F), while the average low-temperature is 15°C (59°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines relative humidity and air temperature, in August is calculated to 28.8°C (83.8°F).

What is the least humid month in Negreiros?

Months with the lowest humidity in Negreiros are August and September, with an average relative humidity of 65%.

What is the average humidity in August in Negreiros?

In Negreiros, the average relative humidity in August is 65%.

How many days does it rain in August in Negreiros?

In August, in Negreiros, Portugal, the rain falls for 3.5 days. Throughout August, 9mm (0.35") of precipitation is accumulated.

How many hours of daylight does Negreiros have in August?

In Negreiros, Portugal, the average length of the day in August is 13.8h.

How many hours of sunshine does Negreiros have in August?

In Negreiros, Portugal, the average sunshine in August is 10.7h.

When is the highest UV index in Negreiros?

With an average maximum UV index of 6, August is the month with the highest UV index in Negreiros.

What is the UV index reading in August in Negreiros?

In Negreiros, Portugal, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in August
Negreiros, Portugal

Average temperature in August - Negreiros, Portugal
  • Average high temperature in August: 27.2°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in August: 15°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

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Average pressure in August
Negreiros, Portugal

Average pressure in August - Negreiros, Portugal
  • Average pressure in August: 1017.3mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in August
Negreiros, Portugal

Average wind speed in August - Negreiros, Portugal
  • Average wind speed in August: 7.7km/h

The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).

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Average humidity in August
Negreiros, Portugal

Average humidity in August - Negreiros, Portugal
  • Average humidity in August: 65%

The month with the highest relative humidity is January (84%).
Months with the lowest relative humidity are August and September (65%).

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Average rainfall in August
Negreiros, Portugal

Average rainfall in August - Negreiros, Portugal
  • Average rainfall in August: 9mm

The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).

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Average rainfall days in August
Negreiros, Portugal

Average rainfall days in August - Negreiros, Portugal
  • Average rainfall days in August: 3.5 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).

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Average daylight in August /
Average sunshine in August
Negreiros, Portugal

Average daylight in August / Average sunshine in August - Negreiros, Portugal
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in August: 10.7h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 4.9h).

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Average sunshine days in August
Negreiros, Portugal

Average sunshine days in August - Negreiros, Portugal
  • Average sunshine days in August: 26.2 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).

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Average UV index in August
Negreiros, Portugal

Average UV index in August - Negreiros, Portugal
  • Average UV index in August: 6

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in August
Negreiros, Portugal

Average cloud cover in August - Negreiros, Portugal
  • Average cloud cover in August: 22

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in August
Negreiros, Portugal

Average visibility in August - Negreiros, Portugal
  • Average visibility in August: 9km

Months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January and April (8km).

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