July weather forecast
Aljustrel, Portugal

July, the same as June, in Aljustrel, Portugal, is another tropical summer month, with an average temperature varying between 17.7°C (63.9°F) and 34°C (93.2°F).

Temperature

With the onset of July, Aljustrel's average high-temperature sees a modest rise, moving from June's hot 30.3°C (86.5°F) to a still tropical 34°C (93.2°F). In Aljustrel, the nighttime temperature registers a significant drop from daytime peaks to an average of 17.7°C (63.9°F) in July.

Heat index

July's heat index is appraised at a sweltering 38°C (100.4°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In Aljustrel, the average relative humidity in July is 48%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.8 days and accumulates 1mm (0.04") of rain.

Daylight

In Aljustrel, Portugal, the average length of the day in July is 14h and 29min.
On the first day of the month, sunrise is at 06:14 and sunset at 20:58. On the last day of July, sunrise is at 06:35 and sunset at 20:42 WEST.

Sunshine

The months with the most sunshine in Aljustrel are July and August, with an average of 11.6h of sunshine.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in July interprets into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.