August weather forecast and climate
Vale de Santiago, Portugal

Weather in August

The last month of the summer, August, is also a moderately hot month in Vale de Santiago, Portugal, with average temperature fluctuating between 24.2°C (75.6°F) and 18.8°C (65.8°F).

Temperature

The warmest month is August, with an average high-temperature of 24.2°C (75.6°F) and an average low-temperature of 18.8°C (65.8°F).

Humidity

The average relative humidity in August is 73%.

Rainfall

In Vale de Santiago, during August, the rain falls for 1.1 days and regularly aggregates up to 2mm (0.08") of precipitation. Throughout the year, there are 94.7 rainfall days, and 328mm (12.91") of precipitation is accumulated.

Daylight

In August, the average length of the day in Vale de Santiago is 13.6h.

Sunshine

The average sunshine is 11.3h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Vale de Santiago?

The warmest month is August, with an average high-temperature of 24.2°C (75.6°F) and an average low-temperature of 18.8°C (65.8°F).

What is the temperature in August in Vale de Santiago?

The average high-temperature, in August, in Vale de Santiago, Portugal, is 24.2°C (75.6°F), while the average low-temperature is 18.8°C (65.8°F).

What is the average humidity in August in Vale de Santiago?

In August, the average relative humidity in Vale de Santiago, Portugal, is 73%.

How much does it rain in Vale de Santiago in August?

In August, in Vale de Santiago, Portugal, the rain falls for 1.1 days. Throughout August, 2mm (0.08") of precipitation is accumulated.

How many hours of daylight does Vale de Santiago have in August?

The average length of the day in August in Vale de Santiago is 13.6h.

How many hours of sunshine does Vale de Santiago have in August?

The average sunshine in August in Vale de Santiago, Portugal, is 11.3h.

What are the months with the highest UV index in Vale de Santiago?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Vale de Santiago.

How high is the UV index in August in Vale de Santiago?

In August, the average daily maximum UV index in Vale de Santiago is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in August
Vale de Santiago, Portugal

Average temperature in August - Vale de Santiago, Portugal
  • Average high temperature in August: 24.2°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).

  • Average low temperature in August: 18.8°C

Months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).

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Average pressure in August
Vale de Santiago, Portugal

Average pressure in August - Vale de Santiago, Portugal
  • Average pressure in August: 1016.5mbar

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

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Average wind speed in August
Vale de Santiago, Portugal

Average wind speed in August - Vale de Santiago, Portugal
  • Average wind speed in August: 17.2km/h

The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15km/h).

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Average humidity in August
Vale de Santiago, Portugal

Average humidity in August - Vale de Santiago, Portugal
  • Average humidity in August: 73%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Vale de Santiago, Portugal

Average rainfall in August - Vale de Santiago, Portugal
  • Average rainfall in August: 2mm

The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).

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Average rainfall days in August
Vale de Santiago, Portugal

Average rainfall days in August - Vale de Santiago, Portugal
  • Average rainfall days in August: 1.1 days

The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).

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Average daylight in August /
Average sunshine in August
Vale de Santiago, Portugal

Average daylight in August / Average sunshine in August - Vale de Santiago, Portugal
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 11.3h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 5.7h).

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Average sunshine days in August
Vale de Santiago, Portugal

Average sunshine days in August - Vale de Santiago, Portugal
  • Average sunshine days in August: 29.4 days

The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).

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Average UV index in August
Vale de Santiago, Portugal

Average UV index in August - Vale de Santiago, Portugal
  • Average UV index in August: 6

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in August
Vale de Santiago, Portugal

Average cloud cover in August - Vale de Santiago, Portugal
  • Average cloud cover in August: 10

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in August
Vale de Santiago, Portugal

Average visibility in August - Vale de Santiago, Portugal
  • Average visibility in August: 10km

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

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