August weather forecast
Estoi, Portugal

In August, the weather in Estoi continues its peak summer form from July. The days remain packed with an abundance of sunshine allowing tourists and locals alike to enjoy the city at its finest. Hot, long, and dry, August competes closely with July for the hottest month of the year in Estoi. A near drought with just 1mm (0.04") rainfall can be observed during this month. Holidaymakers relish the reliable weather conditions, guaranteeing endless sunny days by the seaside.

Temperature

In Estoi, Portugal, August is the month with the highest recorded average temperatures, measuring a high of 29°C (84.2°F) and a low of 19.9°C (67.8°F).

Heat index

During August, the heat index is appraised at a tropical 31°C (87.8°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index determinations are made taking into account the shade and light air movements. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

July and August, with an average relative humidity of 59%, are the least humid months in Estoi, Portugal.

Rainfall

Months with rainfall are January through June, August through December. August is the first month it rains in Estoi. Throughout August, in the average 0.6 rainfall days, it receives 1mm (0.04") of precipitation. In Estoi, Portugal, during the entire year, the rain falls for 49.6 days and collects up to 65mm (2.56") of precipitation.

Sea temperature

With an average sea temperature of 22°C (71.6°F), August is the month with the warmest seawater in Estoi.
Note: When thinking about a swim in 22°C (71.6°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

The average length of the day in August is 13h and 33min.
On the first day of August in Estoi, sunrise is at 06:37 and sunset at 20:38. On the last day of the month, sunrise is at 07:01 and sunset at 20:01 WEST.

Sunshine

In Estoi, the average sunshine in August is 11.7h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! Reflections from sand and water can intensify the Sun's UV radiation.