August weather forecast
Semelhe, Portugal

August

Weather in August

August, the last month of the summer in Semelhe, is another warm month, with an average temperature ranging between max 27.7°C (81.9°F) and min 14.5°C (58.1°F).

Temperature

In Semelhe, the peak average temperatures are observed in August, with a high of 27.7°C (81.9°F) and a low of 14.5°C (58.1°F).

Heat index

During August, the heat index is appraised at 29°C (84.2°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

August is the least humid month, with an average relative humidity of 64%.

Rainfall

In August, the rain falls for 5.2 days. Throughout August, 14mm (0.55") of precipitation is accumulated. In Semelhe, during the entire year, the rain falls for 139.7 days and collects up to 924mm (36.38") of precipitation.

Snowfall

In Semelhe, snow does not fall in February through December.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 06:29 and sunset at 20:51. On the last day of August, sunrise is at 06:59 and sunset at 20:08 WEST.

Sunshine

In August, the average sunshine is 10.7h.

UV index

The month with the highest UV index in Semelhe is August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are the warmest months in Semelhe?
In Semelhe, the peak temperatures are generally noted in August, averaging a high of 27.7°C (81.9°F) and a low of 14.5°C (58.1°F).
What is the usual temperature for Semelhe in August?
August temperatures in Semelhe vary between a high-temperature of 27.7°C (81.9°F) and a low-temperature of 14.5°C (58.1°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 29°C (84.2°F).
What is the least humid month in Semelhe?
With an average relative humidity of 64%, August is the least humid month.
What is the average humidity in August in Semelhe?
The average relative humidity in August in Semelhe is 64%.
How many days does it rain in August in Semelhe?
In Semelhe, Portugal, in August, it is raining for 5.2 days, with typically 14mm (0.55") of accumulated precipitation.
When it does not snow in Semelhe?
February through December are months without snowfall.
How many hours of daylight does Semelhe have in August?
The average day length in August in Semelhe is 13h and 48min.
When is the sunrise / sunset in August in Semelhe?
In August, on the first day of the month, sunrise is at 06:29 and sunset at 20:51. On the last day of the month, in Semelhe, sunrise is at 06:59 and sunset at 20:08 WEST.
How many hours of sunshine does Semelhe have in August?
In Semelhe, the average sunshine duration in August is 10.7h.
When is the highest UV index in Semelhe?
August is the month with the highest UV index in Semelhe, Portugal, with an average maximum UV index of 6.
What is the UV index intensity in August in Semelhe?
The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Semelhe, Portugal
Average temperature in August
Semelhe, Portugal
  • Average high temperature in August: 27.7°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).

  • Average low temperature in August: 14.5°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in August - Semelhe, Portugal
Average pressure in August
Semelhe, Portugal
  • Average pressure in August: 1017.3mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in August - Semelhe, Portugal
Average wind speed in August
Semelhe, Portugal
  • Average wind speed in August: 6.9km/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 (6.7km/h).

Average humidity in August - Semelhe, Portugal
Average humidity in August
Semelhe, Portugal
  • Average humidity in August: 64%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).

Average rainfall in August - Semelhe, Portugal
Average rainfall in August
Semelhe, Portugal
  • Average rainfall in August: 14mm

The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).

Average rainfall days in August - Semelhe, Portugal
Average rainfall days in August
Semelhe, Portugal
  • Average rainfall days in August: 5.2 days

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).

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

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August - Semelhe, Portugal
Average sunshine days in August
Semelhe, Portugal
  • Average sunshine days in August: 24.4 days

The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in August - Semelhe, Portugal
Average UV index in August
Semelhe, 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 - Semelhe, Portugal
Average cloud cover in August
Semelhe, Portugal
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in August - Semelhe, Portugal
Average visibility in August
Semelhe, Portugal
  • Average visibility in August: 9km

The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).

englishespañol中文
Share