The zenith of
Alexandria's summer is reached in
July, with soaring temperatures and growing humidity. The thermometer hits a boiling point in July with an average high of 29.7°C (85.5°F), corroborating high-summer days. The long, simmering days are balanced by moderate sea breezes in the evenings. Although the sun blazes with unforgiving intensity, the blue sea remains as tempting as ever. The sweltering heat continues into
August with minor fluctuations.
Temperature
The shift into July finds Alexandria at an average high-temperature of a still moderately hot 29.7°C (85.5°F), closely comparable to
June's conditions. Throughout the month of July, Alexandria expects an average low of 22.8°C (73°F).
Heat index
During July, the heat index is appraised at a torrid 35°C (95°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The months with the highest humidity are July and August, with an average relative humidity of 71%.
Rainfall
June and July are months without rainfall in Alexandria.
Sea temperature
In July, the average sea temperature is 26.4°C (79.5°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Daylight
In Alexandria, the average length of the day in July is 13h and 57min.
On the first day of July in Alexandria, sunrise is at 6:00 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:56 pm EEST.
Sunshine
In Alexandria, the average sunshine in July is 11.7h.
UV index
July is the month with the highest UV index in Alexandria, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the maximum UV index of 12 translates into these guidelines:
Implement all key precautions. Warding off sun damage is critical. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.