August weather forecastCharneca, Portugal
August
Weather in August
August, the last month of the summer in Charneca, is another warm month, with an average temperature varying between 27.1°C (80.8°F) and 17.8°C (64°F).Temperature
With its high average temperature of 27.1°C (80.8°F) and a low of 17.8°C (64°F), August is regarded as the warmest month.Heat index
August's mean heat index is computed to be 29°C (84.2°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 quite important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
With an average relative humidity of 68%, August is the least humid month in Charneca, Portugal.Rainfall
The months with the least rainfall are June through August Rain falls for 0.8 days and accumulates 1mm (0.04") of rain.Daylight
The average length of the day in August is 13h and 38min.On the first day of August, sunrise is at 06:38 and sunset at 20:47. On the last day of the month, sunrise is at 07:05 and sunset at 20:08 WEST.
Sunshine
In Charneca, Portugal, the average sunshine in August is 11.1h.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 threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Charneca, Portugal
- Average high temperature in August: 27.1°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in August: 17.8°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is February (9.8°C).
Average pressure in August
Charneca, Portugal
- Average pressure in August: 1016.6mbar
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
Charneca, Portugal
- Average wind speed in August: 15km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).
Average humidity in August
Charneca, Portugal
- Average humidity in August: 68%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in August
Charneca, Portugal
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July and August (1mm).
Average rainfall days in August
Charneca, Portugal
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is November (9.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in August /
Average sunshine in August
Charneca, 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 30min).
- Average sunshine in August: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in August
Charneca, Portugal
- Average sunshine days in August: 29.3 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is November (17.7 days).
Average UV index in August
Charneca, Portugal
- Average UV index in August: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in August
Charneca, Portugal
- Average cloud cover in August: 13
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Charneca, 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).





