July weather forecast
Gammarth, Tunisia

Gammarth's weather during July keeps the summer vibe alive with temperatures peaking at 32.1°C (89.8°F). The city is notable for its higher daylight hours, reduced cloudiness, and the lowest rainfall levels of the year. Despite less wind flow, the ambient pressure remains nearly constant, ensuring a fixed weather routine. Comparatively, July offers a drier, hotter climate than June, urging the residents to adapt to full-blown summer conditions. Albeit being the peak summer month, the weather retains a certain tranquility, ensuring a comfortable lifestyle amid higher temperatures.

Temperature

July's onset witnesses a minor shift in the average high-temperature, moving from a warm 28.5°C (83.3°F) in June to a tropical 32.1°C (89.8°F). In the month of July, the average low-temperature usually rests at a moderately hot 23.8°C (74.8°F).

Heat index

July's mean heat index is computed to be a very hot 35°C (95°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

July is the least humid month, with an average relative humidity of 53%.

Rainfall

The month with the least rainfall is July, when the rain falls for 2.6 days and typically collects 5mm (0.2") of precipitation.

Sea temperature

In July, the average sea temperature in Gammarth is 24°C (75.2°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24°C (75.2°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in July is 14h and 25min.
On the first day of July in Gammarth, sunrise is at 05:03 and sunset at 19:42. On the last day of the month, sunrise is at 05:23 and sunset at 19:26 CET.

Sunshine

The average sunshine in July is 12.1h.

UV index

The months with the highest UV index in Gammarth are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Caution! The Sun's UV intensity grows with reflections off sand and water.