August weather forecast and climate
Viariz, Portugal

Weather in August

The last month of the summer, August, is also a moderately hot month in Viariz, Portugal, with average temperature fluctuating between 12.8°C (55°F) and 28.5°C (83.3°F).

Temperature

August is the warmest month, with an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 12.8°C (55°F).

Heat index

In August, the average heat index is appraised at a tropical 30.5°C (86.9°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, clothing, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 62%, August is the least humid month in Viariz.

Rainfall

In Viariz, Portugal, it is raining for 5.3 days, with typically 13mm (0.51") of accumulated precipitation. In Viariz, during the entire year, the rain falls for 142.9 days and collects up to 793mm (31.22") of precipitation.

Snowfall

February through December are months without snowfall in Viariz.

Daylight

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

Sunshine

The average sunshine in Viariz, Portugal, is 10.7h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Viariz. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Viariz?

The warmest month is August, with an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 12.8°C (55°F).

What is the temperature in August in Viariz?

In Viariz, Portugal, in August, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 12.8°C (55°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in August is estimated at 30.5°C (86.9°F).

What is the least humid month in Viariz?

With an average relative humidity of 62%, August is the least humid month in Viariz.

What is the average humidity in August in Viariz?

In August, the average relative humidity in Viariz is 62%.

How much does it rain in Viariz in August?

In August, in Viariz, the rain falls for 5.3 days. Throughout August, 13mm (0.51") of precipitation is accumulated.

When it does not snow in Viariz?

In Viariz snow does not fall in February through December.

How many hours of daylight does Viariz have in August?

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

How many hours of sunshine does Viariz have in August?

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

What is the month with the highest UV index in Viariz?

Months with the highest UV index in Viariz, Portugal, are July and August, with an average maximum UV index of 6.

How high is the UV index in August in Viariz?

In Viariz, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in August
Viariz, Portugal

Average temperature in August - Viariz, Portugal
  • Average high temperature in August: 28.5°C

The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (10.5°C).

  • Average low temperature in August: 12.8°C

Months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).

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Average pressure in August
Viariz, Portugal

Average pressure in August - Viariz, Portugal
  • Average pressure in August: 1017mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in August
Viariz, Portugal

Average wind speed in August - Viariz, Portugal
  • Average wind speed in August: 6.6km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

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Average humidity in August
Viariz, Portugal

Average humidity in August - Viariz, Portugal
  • Average humidity in August: 62%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in August
Viariz, Portugal

Average rainfall in August - Viariz, Portugal
  • Average rainfall in August: 13mm

The wettest month (with the highest rainfall) is December (124mm).
The driest month (with the least rainfall) is July (10mm).

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Average rainfall days in August
Viariz, Portugal

Average rainfall days in August - Viariz, Portugal
  • Average rainfall days in August: 5.3 days

Months with the highest number of rainy days are April and November (16.2 days).
The month with the least rainy days is August (5.3 days).

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Average snowfall in August
Viariz, Portugal

Average snowfall in August - Viariz, Portugal
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (1mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in August
Viariz, Portugal

Average snowfall days in August - Viariz, Portugal
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in August / Average sunshine in August - Viariz, 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: 9.3h).

  • Average sunshine in August: 10.7h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in August
Viariz, Portugal

Average sunshine days in August - Viariz, Portugal
  • Average sunshine days in August: 24.1 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is April (11.8 days).

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Average UV index in August
Viariz, Portugal

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

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Viariz, Portugal

Average cloud cover in August - Viariz, Portugal
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in August
Viariz, Portugal

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

Months with the highest visibility are August and September (9km).
The month with the lowest visibility is January (6km).

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