August weather forecastAlter do Chão, Portugal
August
Weather in August
August, the last month of the summer in Alter do Chão, is another hot month, with an average temperature varying between 33.3°C (91.9°F) and 17.7°C (63.9°F).Temperature
The warmest period is August, when temperatures fluctuate between an average high of 33.3°C (91.9°F) and a low of 17.7°C (63.9°F).Heat index
The heat index value during August is evaluated at a fiery hot 35°C (95°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
With an average relative humidity of 43%, August is the least humid month in Alter do Chão.Rainfall
In Alter do Chão, in August, during 1.8 rainfall days, 4mm (0.16") of precipitation is typically accumulated. Throughout the year, there are 78.7 rainfall days, and 219mm (8.62") of precipitation is accumulated.Snowfall
In Alter do Chão, Portugal, snow does not fall in April through December.Daylight
The average length of the day in August in Alter do Chão is 13h and 40min.On the first day of the month, sunrise is at 06:31 and sunset at 20:42. On the last day of August, in Alter do Chão, Portugal, sunrise is at 06:58 and sunset at 20:02 WEST.
Sunshine
July and August, with an average of 11.8h of sunshine, are months with the most sunshine in Alter do Chão, Portugal.UV index
The month with the highest UV index in Alter do Chão is August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 7 in August suggests the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Alter do Chão, Portugal
- Average high temperature in August: 33.3°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in August: 17.7°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in August
Alter do Chão, Portugal
- Average pressure in August: 1015.4mbar
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
Alter do Chão, Portugal
- Average wind speed in August: 9.2km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).
Average humidity in August
Alter do Chão, Portugal
- Average humidity in August: 43%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (43%).
Average rainfall in August
Alter do Chão, Portugal
- Average rainfall in August: 4mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in August
Alter do Chão, Portugal
- Average rainfall days in August: 1.8 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is July (1.7 days).
Average snowfall in August
Alter do Chão, Portugal
- Average snowfall in August: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Alter do Chão, Portugal
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Alter do Chão, Portugal
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 11h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Alter do Chão, Portugal
- Average sunshine days in August: 28.3 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in August
Alter do Chão, Portugal
- Average UV index in August: 7
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in August
Alter do Chão, Portugal
- Average cloud cover in August: 8
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in August
Alter do Chão, Portugal
- Average visibility in August: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
