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
August is the warmest month, with the temperature often reaching an average high of 29.1°C (84.4°F) and an average low of 13.1°C (55.6°F).Heat index
The heat index in August is estimated at a tropical 31°C (87.8°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital 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
The least humid month is August, with an average relative humidity of 56%.Rainfall
July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 11mm (0.43") of rain.Snowfall
In Gralhas, snow does not fall in March through December.Daylight
In Gralhas, Portugal, the average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 06:25 and sunset at 20:49. On the last day of the month, sunrise is at 06:56 and sunset at 20:05 WEST.
Sunshine
The average sunshine in August is 11.4h.UV index
In Gralhas, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In August, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Gralhas?
How hot is August in Gralhas?
What is the least humid month in Gralhas?
What is the average humidity in August in Gralhas?
What is the driest month in Gralhas?
How many days does it rain in August in Gralhas?
When it does not snow in Gralhas?
How many hours of daylight does Gralhas have in August?
When are sunrise and sunset in August in Gralhas?
How long on average sun shines in August in Gralhas?
What is the UV index intensity in August in Gralhas?
Average temperature in August
Gralhas, Portugal
- Average high temperature in August: 29.1°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in August: 13.1°C
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in August
Gralhas, Portugal
- Average pressure in August: 1017.2mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in August
Gralhas, Portugal
- Average wind speed in August: 7.1km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are September and October (6.5km/h).
Average humidity in August
Gralhas, Portugal
- Average humidity in August: 56%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in August
Gralhas, Portugal
- Average rainfall in August: 11mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).
Average rainfall days in August
Gralhas, Portugal
- Average rainfall days in August: 3.8 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in August
Gralhas, Portugal
- Average snowfall in August: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Gralhas, Portugal
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Gralhas, Portugal
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Gralhas, Portugal
- Average sunshine days in August: 25.5 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in August
Gralhas, Portugal
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Gralhas, Portugal
- Average cloud cover in August: 16
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Gralhas, Portugal
- Average visibility in August: 10km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).
