August weather forecast
Chaves, Portugal

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Weather in August

With a temperature range from 13.1°C (55.6°F) to 29.1°C (84.4°F), August continues the warm embrace started by July. The city experiences another low rainfall month with just a sprinkle of 11mm (0.43") spread throughout. Chaves teems with summer festivals and events, despite the warm conditions. The city's rich historical sites cast a striking picture against the backdrop of nearly clear blue skies. To escape the afternoon heat, kick back at one of Chaves' stately river beaches.

Temperature

Chaves's August weather reaches an average high of 29.1°C (84.4°F) and an average low of 13.1°C (55.6°F), making it the warmest month.

Heat index

August's average heat index is evaluated at a tropical 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

August is the least humid month in Chaves, with an average relative humidity of 56%.

Rainfall

July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 11mm (0.43") of rain.

Snowfall

March through December are months without snowfall.

Daylight

The average length of the day in August in Chaves is 13h and 49min.
On the first day of the month, sunrise is at 06:24 and sunset at 20:47. On the last day of August, in Chaves, sunrise is at 06:55 and sunset at 20:04 WEST.

Sunshine

The average sunshine in August is 11.4h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What part of the year is the hottest in Chaves?

August is the warmest month in Chaves, exhibiting average temperatures of 29.1°C (84.4°F) at the peak and 13.1°C (55.6°F) at the base.

How hot is August in Chaves?

August temperatures vary between a high-temperature of 29.1°C (84.4°F) and a low-temperature of 13.1°C (55.6°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 31°C (87.8°F).

What is the least humid month in Chaves?

With an average relative humidity of 56%, August is the least humid month in Chaves, Portugal.

What is the average humidity in August in Chaves?

In August, the average relative humidity is 56%.

What is the driest month in Chaves?

July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 11mm (0.43") of rain.

How much does it rain in Chaves in August?

In Chaves, Portugal, during August, the rain falls for 3.8 days and regularly aggregates up to 11mm (0.43") of precipitation.

When it does not snow in Chaves?

March through December are months without snowfall in Chaves, Portugal.

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

In August, the average day length is 13h and 49min.

When are sunrise and sunset in August in Chaves?

In August, on the first day of the month, sunrise is at 06:24 and sunset at 20:47. On the last day of the month, sunrise is at 06:55 and sunset at 20:04 WEST.

How many hours of sunshine does Chaves have in August?

In Chaves, the average sunshine duration in August is 11.4h.

How high is the UV index in August in Chaves?

The average daily maximum UV index in August in Chaves, Portugal, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Chaves, Portugal

Average temperature in August - Chaves, Portugal
  • Average high temperature in August: 29.1°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in August: 13.1°C

The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

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Average pressure in August
Chaves, Portugal

Average pressure in August - Chaves, Portugal
  • Average pressure in August: 1017.2mbar

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
Chaves, Portugal

Average wind speed in August - Chaves, Portugal
  • Average wind speed in August: 7.1km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

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Average humidity in August
Chaves, Portugal

Average humidity in August - Chaves, Portugal
  • Average humidity in August: 56%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in August
Chaves, Portugal

Average rainfall in August - Chaves, Portugal
  • Average rainfall in August: 11mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

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Average rainfall days in August
Chaves, Portugal

Average rainfall days in August - Chaves, Portugal
  • Average rainfall days in August: 3.8 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).

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Average snowfall in August
Chaves, Portugal

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

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in August
Chaves, Portugal

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

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Chaves, 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: 11h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in August
Chaves, Portugal

Average sunshine days in August - Chaves, Portugal
  • Average sunshine days in August: 25.5 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index in August
Chaves, Portugal

Average UV index in August - Chaves, Portugal
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Chaves, Portugal

Average cloud cover in August - Chaves, Portugal
  • Average cloud cover in August: 16

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Chaves, Portugal

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

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).

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Chaves, Portugal

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