Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
In Semelhe, the peak average temperatures are observed in August, with a high of 27.7°C (81.9°F) and a low of 14.5°C (58.1°F).Heat index
During August, the heat index is appraised at 29°C (84.2°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.The standards for the heat index are set for locations in shade and under light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
August is the least humid month, with an average relative humidity of 64%.Rainfall
In August, the rain falls for 5.2 days. Throughout August, 14mm (0.55") of precipitation is accumulated. In Semelhe, during the entire year, the rain falls for 139.7 days and collects up to 924mm (36.38") of precipitation.Snowfall
In Semelhe, snow does not fall in February through December.Daylight
The average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 06:29 and sunset at 20:51. On the last day of August, sunrise is at 06:59 and sunset at 20:08 WEST.
Sunshine
In August, the average sunshine is 10.7h.UV index
The month with the highest UV index in Semelhe is August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, an average UV index of 6 transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Semelhe?
What is the usual temperature for Semelhe in August?
What is the least humid month in Semelhe?
What is the average humidity in August in Semelhe?
How many days does it rain in August in Semelhe?
When it does not snow in Semelhe?
How many hours of daylight does Semelhe have in August?
When is the sunrise / sunset in August in Semelhe?
How many hours of sunshine does Semelhe have in August?
When is the highest UV index in Semelhe?
What is the UV index intensity in August in Semelhe?
Average temperature in August
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, Portugal
- Average daylight in August: 13h and 5min
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 4min
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
Semelhe, 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
Semelhe, 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
Semelhe, 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
Semelhe, 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).
