August weather forecastSines, Portugal
August
Weather in August
August, the last month of the summer in Sines, is also a moderately hot month, with temperature in the range of an average high of 24.2°C (75.6°F) and an average low of 18.8°C (65.8°F).Temperature
Sines's August weather, marked by an average high temperature of 24.2°C (75.6°F) and an average low temperature of 18.8°C (65.8°F), is the warmest in the year.Humidity
The average relative humidity in August in Sines is 73%.Rainfall
In Sines, in August, during 1.1 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In Sines, during the entire year, the rain falls for 94.6 days and collects up to 327mm (12.87") of precipitation.Sea temperature
In Sines, the average seawater temperature in August is 20.1°C (68.2°F).Note: For most, swimming in 20.1°C (68.2°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in August is 13h and 35min.On the first day of the month, sunrise is at 06:39 and sunset at 20:44. On the last day of August, sunrise is at 07:04 and sunset at 20:06 WEST.
Sunshine
In August, the average sunshine in Sines is 11.3h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in August translates into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sines, Portugal
- Average high temperature in August: 24.2°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).
- Average low temperature in August: 18.8°C
The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in August
Sines, Portugal
- Average pressure in August: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in August
Sines, Portugal
- Average wind speed in August: 17.2km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15.1km/h).
Average humidity in August
Sines, Portugal
- Average humidity in August: 73%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Sines, Portugal
- Average rainfall in August: 2mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in August
Sines, Portugal
- Average rainfall days in August: 1.1 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in August
Sines, Portugal
- Average sea temperature in August: 20.1°C
The best month for swimming (with the highest average sea temperature) is October (20.5°C).
The coldest month (with the lowest average sea temperature) is March (15.6°C).
Average daylight in August /
Average sunshine in August
Sines, Portugal
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in August
Sines, Portugal
- Average sunshine days in August: 29.4 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in August
Sines, Portugal
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in August
Sines, Portugal
- Average cloud cover in August: 10
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in August
Sines, Portugal
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
