Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Valhelhas registers the highest average temperatures during the month of August, with peaks of 29.8°C (85.6°F) and lows of 14.2°C (57.6°F).Heat index
The heat index for August is computed to be a hot 31°C (87.8°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.When referencing the heat index, its values are suitable for shady environments and 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 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for 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 Valhelhas, with an average relative humidity of 51%.Rainfall
The months with the least rainfall are July and August Rain falls for 2.5 days and accumulates 7mm (0.28") of rain.Snowfall
In Valhelhas, Portugal, snow does not fall in May through September.Daylight
In Valhelhas, the average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 06:27 and sunset at 20:44. On the last day of August, sunrise is at 06:56 and sunset at 20:02 WEST.
Sunshine
The months with the most sunshine in Valhelhas are July and August, with an average of 11.6h of sunshine.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index in Valhelhas. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 6 suggests this advice:
Deflect overexposure. Sun protection is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What time of the year is the hottest in Valhelhas?
How hot is it in Valhelhas in August?
What is the least humid month in Valhelhas?
What is the average humidity in August in Valhelhas?
What is the driest month in Valhelhas?
How many days does it rain in August in Valhelhas?
When it does not snow in Valhelhas?
How many hours of daylight does Valhelhas have in August?
When is the sunrise / sunset in August in Valhelhas?
What are the months with the most sunshine in Valhelhas?
How many hours of sunshine does Valhelhas have in August?
What is the month with the highest UV index in Valhelhas?
What is the UV index reading in August in Valhelhas?
Average temperature in August
Valhelhas, Portugal
- Average high temperature in August: 29.8°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in August: 14.2°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in August
Valhelhas, Portugal
- Average pressure in August: 1016.1mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in August
Valhelhas, Portugal
- Average wind speed in August: 8.8km/h
The windiest month (with the highest average wind speed) is February (11.5km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in August
Valhelhas, Portugal
- Average humidity in August: 51%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall in August
Valhelhas, Portugal
- Average rainfall in August: 7mm
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days in August
Valhelhas, Portugal
- Average rainfall days in August: 2.5 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in August
Valhelhas, Portugal
- Average snowfall in August: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in August
Valhelhas, Portugal
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Valhelhas, Portugal
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 11h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Valhelhas, Portugal
- Average sunshine days in August: 27.5 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in August
Valhelhas, Portugal
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Valhelhas, Portugal
- Average cloud cover in August: 12
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in August
Valhelhas, Portugal
- Average visibility in August: 10km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).
Valhelhas, Portugal
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