August weather forecast
Montargil, Portugal

August, the last month of the summer in Montargil, is another tropical month, with an average temperature fluctuating between 32.7°C (90.9°F) and 15.7°C (60.3°F).

Temperature

August is the warmest month of the year, registering average temperatures as high as 32.7°C (90.9°F) and as low as 15.7°C (60.3°F).

Heat index

For August, the heat index is computed to be a very hot 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

With an average relative humidity of 55%, August is the least humid month.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 3mm (0.12") of rain.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 06:33 and sunset at 20:44. On the last day of the month, sunrise is at 07:01 and sunset at 20:04 WEST.

Sunshine

In Montargil, the average sunshine in August is 11.4h.

UV index

May through September, with an average maximum UV index of 6, are months with the highest UV index in Montargil. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.