July weather forecastNorth Key Largo, FL

Weather in July

July, the same as June, in North Key Largo, Florida, is another tropical summer month, with an average temperature fluctuating between 88.3°F (31.3°C) and 81.1°F (27.3°C).

Temperature

The arrival of July denotes a barely perceptible change in the average high-temperatures to a still hot 88.3°F (31.3°C) from June's 86.7°F (30.4°C). North Key Largo registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 81.1°F (27.3°C) during July.

Heat index

For July, the heat index is evaluated at a fiery hot 102.2°F (39°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for 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.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in July is 71%.

Rainfall

In July, the rain falls for 26 days. Throughout July, 5.79" (147mm) of precipitation is accumulated. Throughout the year, there are 225.9 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.

Ocean temperature

In North Key Largo, in July, the average water temperature is 85.6°F (29.8°C).
Note: Swimming, diving, and similar water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In July, the average length of the day is 13h and 32min.
On the first day of the month, sunrise is at 6:34 am and sunset at 8:15 pm. On the last day of July, sunrise is at 6:48 am and sunset at 8:06 pm EDT.

Sunshine

July has the most sunshine of the year in North Key Largo, with an average of 11h of sunshine.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The UV exposure is heightened with reflections from sand and water.