August weather forecast
Cacilhas, Portugal

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Weather in August

August, the last month of the summer in Cacilhas, is also a moderately hot month, with temperature in the range of an average high of 24.5°C (76.1°F) and an average low of 18.6°C (65.5°F).

Temperature

Cacilhas registers the highest average temperatures during the month of August, with peaks of 24.5°C (76.1°F) and lows of 18.6°C (65.5°F).

Humidity

In August, the average relative humidity in Cacilhas is 73%.

Rainfall

In Cacilhas, in August, it is raining for 1.9 days, with typically 3mm (0.12") of accumulated precipitation. In Cacilhas, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.

Sea temperature

In Cacilhas, in August, the average water temperature is 19.6°C (67.3°F).
Note: Swimming is not an enjoyable activity for the majority when the water is at 19.6°C (67.3°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Cacilhas, the average length of the day in August 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, in Cacilhas, sunrise is at 07:05 and sunset at 20:08 WEST.

Sunshine

In August, the average sunshine in Cacilhas is 11h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index in Cacilhas, Portugal. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What part of the year is the hottest in Cacilhas?

In Cacilhas, Portugal, the average highest temperatures are observed in August, with a high of 24.5°C (76.1°F) and a low of 18.6°C (65.5°F).

What are the temperatures in Cacilhas in August?

In Cacilhas, in August, the average high-temperature is 24.5°C (76.1°F), and the average low-temperature is 18.6°C (65.5°F).

What is the average humidity in August in Cacilhas?

The average relative humidity in August in Cacilhas, Portugal, is 73%.

How many days does it rain in August in Cacilhas?

In August, in Cacilhas, Portugal, the rain falls for 1.9 days. Throughout August, 3mm (0.12") of precipitation is accumulated.

How cold is the water in August in Cacilhas?

In August, the average sea temperature is 19.6°C (67.3°F). For swimming, a surface water temperature of 19.6°C (67.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

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

The average day length in August in Cacilhas is 13h and 38min.

What time are sunrise and sunset in August in Cacilhas?

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, in Cacilhas, Portugal, sunrise is at 07:05 and sunset at 20:08 WEST.

How many hours of sunshine does Cacilhas have in August?

The average sunshine duration in August is 11h.

When is the highest UV index in Cacilhas?

The months with the highest UV index in Cacilhas are June through September, with an average maximum UV index of 6.

What is the UV index intensity in August in Cacilhas?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in August
Cacilhas, Portugal

Average temperature in August - Cacilhas, Portugal
  • Average high temperature in August: 24.5°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in August: 18.6°C

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).

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Average pressure in August
Cacilhas, Portugal

Average pressure in August - Cacilhas, Portugal
  • Average pressure in August: 1016.8mbar

The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

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Average wind speed in August
Cacilhas, Portugal

Average wind speed in August - Cacilhas, Portugal
  • Average wind speed in August: 18.3km/h

The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).

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Average humidity in August
Cacilhas, Portugal

Average humidity in August - Cacilhas, Portugal
  • Average humidity in August: 73%

The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).

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Average rainfall in August
Cacilhas, Portugal

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

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).

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Average rainfall days in August
Cacilhas, Portugal

Average rainfall days in August - Cacilhas, Portugal
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).

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Average sea temperature in August
Cacilhas, Portugal

Average sea temperature in August - Cacilhas, Portugal
  • Average sea temperature in August: 19.6°C

The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).

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

Average daylight in August / Average sunshine in August - Cacilhas, 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in August
Cacilhas, Portugal

Average sunshine days in August - Cacilhas, Portugal
  • Average sunshine days in August: 28 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).

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Average UV index in August
Cacilhas, Portugal

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

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

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Average cloud cover in August
Cacilhas, Portugal

Average cloud cover in August - Cacilhas, Portugal
  • Average cloud cover in August: 13

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in August
Cacilhas, Portugal

Average visibility in August - Cacilhas, 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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Cacilhas, Portugal

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