August weather forecast and climate
Tostão, Portugal

Weather in August

August, the last month of the summer, in Tostão, is another hot month, with average temperature ranging between min 17.1°C (62.8°F) and max 32.8°C (91°F).

Temperature

The warmest month is August, with an average high-temperature of 32.8°C (91°F) and an average low-temperature of 17.1°C (62.8°F).

Heat index

The average heat index in August is evaluated at a hot 34.4°C (93.9°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, differences in body mass, height, and shape). 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 especially crucial for babies and toddlers. 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

With an average relative humidity of 44%, August is the least humid month.

Rainfall

July and August are months with the least rain when the rain falls for 1.5 days and typically aggregates up to 3mm (0.12") of rain.

Snowfall

In Tostão snow does not fall in February through December.

Daylight

In August, the average length of the day in Tostão is 13.7h.

Sunshine

July and August, with an average of 11.8h of sunshine, are months with the most sunshine in Tostão.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Tostão. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Tostão?

With an average high-temperature of 32.8°C (91°F) and an average low-temperature of 17.1°C (62.8°F), August is the warmest month.

What is the temperature in August in Tostão?

The average high-temperature, in August, is 32.8°C (91°F), while the average low-temperature is 17.1°C (62.8°F). The average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, in August is estimated at 34.4°C (93.9°F).

What is the least humid month in Tostão?

With an average relative humidity of 44%, August is the least humid month in Tostão.

What is the average humidity in August in Tostão?

In Tostão, Portugal, the average relative humidity in August is 44%.

How many days does it rain in August in Tostão?

In Tostão, Portugal, in August, it is raining for 1.5 days, with typically 3mm (0.12") of accumulated precipitation.

What is the driest month in Tostão?

July and August are months with the least rain in Tostão, Portugal, when the rain falls for 1.5 days and typically aggregates up to 3mm (0.12") of rain.

When it does not snow in Tostão?

February through December are months without snowfall in Tostão.

What is the average length of the day in August in Tostão?

The average length of the day in August is 13.7h.

What are the months with the most sunshine in Tostão?

Months with the most sunshine in Tostão, Portugal, are July and August, with an average of 11.8h of sunshine.

How long on average sun shines in August in Tostão?

The average sunshine in August is 11.8h.

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

Months with the highest UV index in Tostão are May through August, with an average maximum UV index of 6.

How high is the UV index in August in Tostão?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in August
Tostão, Portugal

Average temperature in August - Tostão, Portugal
  • Average high temperature in August: 32.8°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).

  • Average low temperature in August: 17.1°C

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).

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Average pressure in August
Tostão, Portugal

Average pressure in August - Tostão, Portugal
  • Average pressure in August: 1015.6mbar

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in August
Tostão, Portugal

Average wind speed in August - Tostão, Portugal
  • Average wind speed in August: 9.1km/h

The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

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Average humidity in August
Tostão, Portugal

Average humidity in August - Tostão, Portugal
  • Average humidity in August: 44%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in August
Tostão, Portugal

Average rainfall in August - Tostão, Portugal
  • Average rainfall in August: 3mm

The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in August
Tostão, Portugal

Average rainfall days in August - Tostão, Portugal
  • Average rainfall days in August: 1.5 days

The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).

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Average snowfall in August
Tostão, Portugal

Average snowfall in August - Tostão, 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
Tostão, Portugal

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

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

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

Average daylight in August / Average sunshine in August - Tostão, Portugal
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 11.8h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in August
Tostão, Portugal

Average sunshine days in August - Tostão, Portugal
  • Average sunshine days in August: 28.3 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).

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Average UV index in August
Tostão, Portugal

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Tostão, Portugal

Average cloud cover in August - Tostão, Portugal
  • Average cloud cover in August: 8

The month with the most cloud cover is January (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in August
Tostão, Portugal

Average visibility in August - Tostão, Portugal
  • Average visibility in August: 10km

Months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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