August weather forecast
Sete Rios, Portugal

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Sete Rios, Portugal, with an average temperature varying between 27.4°C (81.3°F) and 17.6°C (63.7°F).

Temperature

Sete Rios records the warmest temperatures in August, averaging a high of 27.4°C (81.3°F) and a low of 17.6°C (63.7°F).

Heat index

For most parts of August, the heat index is evaluated at 29°C (84.2°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

August and September, with an average relative humidity of 68%, are the least humid months.

Rainfall

In Sete Rios, during August, the rain falls for 2.3 days and regularly aggregates up to 4mm (0.16") of precipitation. Throughout the year, in Sete Rios, there are 112 rainfall days, and 360mm (14.17") of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 06:38 and sunset at 20:47. On the last day of August, sunrise is at 07:05 and sunset at 20:08 WEST.

Sunshine

In Sete Rios, the average sunshine in August is 11.1h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What month is the hottest?
The temperatures reach their highest averages in August, with highs of 27.4°C (81.3°F) and lows of 17.6°C (63.7°F).
What is the usual temperature for Sete Rios in August?
The high-temperature during August is 27.4°C (81.3°F) and the low-temperature is 17.6°C (63.7°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 29°C (84.2°F).
What is the least humid month?
August and September, with an average relative humidity of 68%, are the least humid months.
What is the average humidity in August?
In August, the average relative humidity is 68%.
How much does it rain in August?
In Sete Rios, Portugal, in August, during 2.3 rainfall days, 4mm (0.16") of precipitation is typically accumulated.
What is the average length of the day in August?
The average day length in August is 13h and 38min.
When are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 06:38 and sunset at 20:47. On the last day of the month, sunrise is at 07:05 and sunset at 20:08 WEST.
How long on average sun shines in August?
In August, the average sunshine duration is 11.1h.
What is the month with the highest UV index?
June through September, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in August?
In Sete Rios, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Sete Rios, Portugal
  • Average high temperature in August: 27.4°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in August: 17.6°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).

Average pressure in August
Sete Rios, Portugal
  • Average pressure in August: 1016.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in August
Sete Rios, Portugal
  • Average wind speed in August: 14.9km/h

The windiest months (with the highest average wind speed) are February and July (15.9km/h).
The calmest months (with the lowest average wind speed) are September and October (12.9km/h).

Average humidity in August
Sete Rios, Portugal
  • Average humidity in August: 68%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (68%).

Average rainfall in August
Sete Rios, Portugal
  • Average rainfall in August: 4mm

The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in August
Sete Rios, Portugal
  • Average rainfall days in August: 2.3 days

The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (2.3 days).

Average daylight in August /
Average sunshine in August
Sete Rios, Portugal
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in August
Sete Rios, Portugal
  • Average sunshine days in August: 26.4 days

The month with the most sunshine days is August (26.4 days).
The months with the least sunshine days are April and November (14.5 days).

Average UV index in August
Sete Rios, Portugal
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Sete Rios, Portugal
  • Average cloud cover in August: 14

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in August
Sete Rios, Portugal
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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