August weather forecast
Arcos de Valdevez, Portugal

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Arcos de Valdevez, Portugal, with an average temperature ranging between min 14.4°C (57.9°F) and max 26.3°C (79.3°F).

Temperature

August temperatures tend to peak at an average high of 26.3°C (79.3°F) and dip to a low of 14.4°C (57.9°F).

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 69%.

Rainfall

In Arcos de Valdevez, in August, during 5.4 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in Arcos de Valdevez, Portugal, there are 145.4 rainfall days, and 998mm (39.29") of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August, sunrise is at 06:28 and sunset at 20:51. On the last day of the month, sunrise is at 06:59 and sunset at 20:08 WEST.

Sunshine

In Arcos de Valdevez, the average sunshine in August is 10.7h.

UV index

With an average maximum UV index of 6, August is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What time of the year is the hottest?
August is Arcos de Valdevez's warmest month, registering average high temperatures of 26.3°C (79.3°F) and lows of 14.4°C (57.9°F).
What is the temperature in August?
In Arcos de Valdevez, 26.3°C (79.3°F) is the average high-temperature and 14.4°C (57.9°F) is the average low-temperature during August.
What is the least humid month?
August and September, with an average relative humidity of 69%, are the least humid months.
What is the average humidity in August?
In August, the average relative humidity is 69%.
How much does it rain in August?
In August, in Arcos de Valdevez, the rain falls for 5.4 days. Throughout August, 17mm (0.67") of precipitation is accumulated.
What is the average length of the day in August in Arcos de Valdevez?
The average day length in August is 13h and 49min.
What time are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 06:28 and sunset at 20:51. On the last day of the month, sunrise is at 06:59 and sunset at 20:08 WEST.
How many hours of sunshine does Arcos de Valdevez have in August?
In August, the average sunshine duration is 10.7h.
What is the month with the highest UV index?
With an average maximum UV index of 6, August is the month with the highest UV index.
What is the UV index reading in August?
In Arcos de Valdevez, 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 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 - Arcos de Valdevez, Portugal
Average temperature in August
Arcos de Valdevez, Portugal
  • Average high temperature in August: 26.3°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (11.8°C).

  • Average low temperature in August: 14.4°C

The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

Average pressure in August - Arcos de Valdevez, Portugal
Average pressure in August
Arcos de Valdevez, Portugal
  • Average pressure in August: 1017.5mbar

The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in August - Arcos de Valdevez, Portugal
Average wind speed in August
Arcos de Valdevez, Portugal
  • Average wind speed in August: 8.3km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).

Average humidity in August - Arcos de Valdevez, Portugal
Average humidity in August
Arcos de Valdevez, Portugal
  • Average humidity in August: 69%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are August and September (69%).

Average rainfall in August - Arcos de Valdevez, Portugal
Average rainfall in August
Arcos de Valdevez, Portugal
  • Average rainfall in August: 17mm

The wettest month (with the highest rainfall) is November (154mm).
The driest month (with the least rainfall) is July (11mm).

Average rainfall days in August - Arcos de Valdevez, Portugal
Average rainfall days in August
Arcos de Valdevez, Portugal
  • Average rainfall days in August: 5.4 days

The month with the highest number of rainy days is November (17.2 days).
The month with the least rainy days is August (5.4 days).

Average daylight in August / Average sunshine in August - Arcos de Valdevez, Portugal
Average daylight in August /
Average sunshine in August
Arcos de Valdevez, Portugal
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August - Arcos de Valdevez, Portugal
Average sunshine days in August
Arcos de Valdevez, Portugal
  • Average sunshine days in August: 24.3 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (11.7 days).

Average UV index in August - Arcos de Valdevez, Portugal
Average UV index in August
Arcos de Valdevez, Portugal
  • Average UV index in August: 6

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in August - Arcos de Valdevez, Portugal
Average cloud cover in August
Arcos de Valdevez, Portugal
  • Average cloud cover in August: 22

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 21).

Average visibility in August - Arcos de Valdevez, Portugal
Average visibility in August
Arcos de Valdevez, Portugal
  • Average visibility in August: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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