August weather forecastCasével, Portugal
August
Weather in August
August, the last month of the summer in Casével, is another tropical month, with temperature in the range of an average high of 34.7°C (94.5°F) and an average low of 17.8°C (64°F).Temperature
August, recording an average high temperature of 34.7°C (94.5°F) and a low temperature of 17.8°C (64°F), is Casével's warmest month.Heat index
August's mean heat index is calculated to be a fiery hot 39°C (102.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
With an average relative humidity of 47%, August is the least humid month.Rainfall
The months with the least rainfall in Casével are July and August Rain falls for 1 days and accumulates 1mm (0.04") of rain.Daylight
In August, the average length of the day is 13h and 35min.On the first day of August, sunrise is at 06:36 and sunset at 20:41. On the last day of the month, sunrise is at 07:02 and sunset at 20:03 WEST.
Sunshine
July and August, with an average of 11.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 7 translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Casével, Portugal
- Average high temperature in August: 34.7°C
The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (14.4°C).
- Average low temperature in August: 17.8°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in August
Casével, Portugal
- Average pressure in August: 1015.6mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in August
Casével, Portugal
- Average wind speed in August: 11.1km/h
The windiest month (with the highest average wind speed) is July (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in August
Casével, Portugal
- Average humidity in August: 47%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Casével, Portugal
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is April (20mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in August
Casével, Portugal
- Average rainfall days in August: 1 days
The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is August (1 days).
Average daylight in August /
Average sunshine in August
Casével, Portugal
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 36min
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: 5h and 24min).
Average sunshine days in August
Casével, Portugal
- Average sunshine days in August: 28.8 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (18.8 days).
Average UV index in August
Casével, Portugal
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Casével, Portugal
- Average cloud cover in August: 10
The months with the most cloud cover are January and April (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Casével, Portugal
- Average visibility in August: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
