August weather forecastDume, Portugal
August
Weather in August
August, the last month of the summer in Dume, is another warm month, with an average temperature ranging between min 14.5°C (58.1°F) and max 27.7°C (81.9°F).Temperature
August, with average temperatures reaching a high of 27.7°C (81.9°F) and a low of 14.5°C (58.1°F), is the warmest month.Heat index
During August, the heat index is estimated at 29°C (84.2°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 essentially critical for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
With an average relative humidity of 64%, August is the least humid month.Rainfall
In August, the rain falls for 5.2 days. Throughout August, 14mm (0.55") of precipitation is accumulated. Throughout the year, in Dume, there are 139.7 rainfall days, and 924mm (36.38") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Dume.Daylight
The average length of the day in August is 13h and 48min.On the first day of August, sunrise is at 06:28 and sunset at 20:51. On the last day of the month, sunrise is at 06:59 and sunset at 20:08 WEST.
Sunshine
In Dume, Portugal, the average sunshine in August is 10.7h.UV index
With an average maximum UV index of 6, August is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Fend off overexposure. Sun protection is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dume, 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 (11.8°C).
- Average low temperature in August: 14.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in August
Dume, Portugal
- Average pressure in August: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in August
Dume, Portugal
- Average wind speed in August: 6.9km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in August
Dume, Portugal
- Average humidity in August: 64%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in August
Dume, Portugal
- Average rainfall in August: 14mm
The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in August
Dume, Portugal
- Average rainfall days in August: 5.2 days
The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in August
Dume, Portugal
- Average snowfall in August: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Dume, Portugal
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Dume, Portugal
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Dume, Portugal
- Average sunshine days in August: 24.4 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in August
Dume, 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, March, April, November and December (UV index 3).
Average cloud cover in August
Dume, Portugal
- Average cloud cover in August: 23
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in August
Dume, Portugal
- Average visibility in August: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).





