August weather forecast
Negreiros, Portugal

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Weather in August

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

Temperature

August stands out as Negreiros's warmest month, with temperatures ranging between an average high of 27.2°C (81°F) and a low of 15°C (59°F).

Heat index

The average heat index in August is computed to be 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

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

Rainfall

In Negreiros, in August, it is raining for 3.5 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, there are 127.9 rainfall days, and 828mm (32.6") of precipitation is accumulated.

Daylight

In Negreiros, Portugal, the average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 06:29 and sunset at 20:51. On the last day of August, sunrise is at 07:00 and sunset at 20:08 WEST.

Sunshine

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

UV index

The month with the highest UV index in Negreiros, Portugal, is August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 2, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the warmest months in Negreiros?

In Negreiros, Portugal, the peak temperatures are generally noted in August, averaging a high of 27.2°C (81°F) and a low of 15°C (59°F).

What is the average August temperature in Negreiros?

In August, in Negreiros, the average high-temperature is 27.2°C (81°F), and the average low-temperature is 15°C (59°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 29°C (84.2°F).

What is the least humid month in Negreiros?

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

What is the average humidity in August in Negreiros?

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

How many days does it rain in August in Negreiros?

In August, 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 day length in August is 13h and 48min.

When are sunrise and sunset in August in Negreiros?

On the first day of August in Negreiros, sunrise is at 06:29 and sunset at 20:51. On the last day of the month, sunrise is at 07:00 and sunset at 20:08 WEST.

How many hours of sunshine does Negreiros have in August?

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

When is the highest UV index in Negreiros?

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

What is the UV index reading in August in Negreiros?

In August, the average daily maximum UV index in Negreiros is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

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).

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).

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%).
The months with the lowest relative humidity are August and September (65%).

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).

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).

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

Average daylight in August / Average sunshine in August - Negreiros, Portugal
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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).

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).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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).

Average visibility in August
Negreiros, Portugal

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

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

Negreiros, Portugal

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