August weather forecastDouro, Portugal
August
Weather in August
August, the last month of the summer in Douro, is also a moderately hot month, with an average temperature fluctuating between 14.9°C (58.8°F) and 27.7°C (81.9°F).Temperature
Douro witnesses the warmest weather in August, with temperatures averaging a high of 27.7°C (81.9°F) and a low of 14.9°C (58.8°F).Heat index
For most parts of August, the heat index is computed to be a hot 30°C (86°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
August and September, with an average relative humidity of 68%, are the least humid months.Rainfall
In Douro, during August, the rain falls for 1.9 days and regularly aggregates up to 3mm (0.12") of precipitation. In Douro, during the entire year, the rain falls for 78.7 days and collects up to 139mm (5.47") of precipitation.Daylight
In August, the average length of the day is 13h and 42min.On the first day of August in Douro, sunrise is at 06:32 and sunset at 20:46. On the last day of the month, sunrise is at 07:00 and sunset at 20:05 WEST.
Sunshine
The average sunshine in August is 10.9h.UV index
The month with the highest UV index is August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. 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
Douro, 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 (13.4°C).
- Average low temperature in August: 14.9°C
The month with the highest average low temperature is July (15°C).
The coldest months (with the lowest average low temperature) are January and February (6.7°C).
Average pressure in August
Douro, Portugal
- Average pressure in August: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in August
Douro, Portugal
- Average wind speed in August: 10.6km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in August
Douro, Portugal
- Average humidity in August: 68%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in August
Douro, Portugal
- Average rainfall in August: 3mm
The wettest month (with the highest rainfall) is November (27mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in August
Douro, Portugal
- Average rainfall days in August: 1.9 days
The month with the highest number of rainy days is April (11.3 days).
The month with the least rainy days is August (1.9 days).
Average daylight in August /
Average sunshine in August
Douro, Portugal
- Average daylight in August: 13h and 42min
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 24min).
- Average sunshine in August: 10h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Douro, Portugal
- Average sunshine days in August: 27.4 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (16.2 days).
Average UV index in August
Douro, 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, November and December (UV index 3).
Average cloud cover in August
Douro, Portugal
- Average cloud cover in August: 22
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in August
Douro, Portugal
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).
