July weather forecast
North Key Largo, FL

Share

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.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in July?

In North Key Largo, in July, the average high-temperature is 88.3°F (31.3°C), and the average low-temperature is 81.1°F (27.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 102.2°F (39°C).

What is the average humidity in July?

In July, the average relative humidity is 71%.

How many days does it rain in July?

In July, the rain falls for 26 days. Throughout July, 5.79" (147mm) of precipitation is accumulated.

What is the water temperature in July?

In July, the average ocean temperature in North Key Largo is 85.6°F (29.8°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does North Key Largo have in July?

The average day length in July is 13h and 32min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 6:34 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:06 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11h of sunshine.

How long on average sun shines in July?

In North Key Largo, the average sunshine duration in July is 11h.

When is the highest UV index?

April through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in July?

The average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in July
North Key Largo, FL

Average temperature in July - North Key Largo, FL
  • Average high temperature in July: 88.3°F

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (73.9°F).

  • Average low temperature in July: 81.1°F

The month with the highest average low temperature is August (81.7°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).

Average pressure in July
North Key Largo, FL

Average pressure in July - North Key Largo, FL
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

Average wind speed in July
North Key Largo, FL

Average wind speed in July - North Key Largo, FL
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in July
North Key Largo, FL

Average humidity in July - North Key Largo, FL
  • Average humidity in July: 71%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (68%).

Average rainfall in July
North Key Largo, FL

Average rainfall in July - North Key Largo, FL
  • Average rainfall in July: 5.79"

The wettest month (with the highest rainfall) is August (6.77").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in July
North Key Largo, FL

Average rainfall days in July - North Key Largo, FL
  • Average rainfall days in July: 26 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January and February (12.5 days).

Average sea temperature in July
North Key Largo, FL

Average sea temperature in July - North Key Largo, FL
  • Average sea temperature in July: 85.5°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

Average daylight in July /
Average sunshine in July
North Key Largo, FL

Average daylight in July / Average sunshine in July - North Key Largo, FL
  • Average daylight in July: 13h and 3min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in July: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in July
North Key Largo, FL

Average sunshine days in July - North Key Largo, FL
  • Average sunshine days in July: 3.6 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (2.1 days).

Average UV index in July
North Key Largo, FL

Average UV index in July - North Key Largo, FL
  • Average UV index in July: 7

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).

Average cloud cover in July
North Key Largo, FL

Average cloud cover in July - North Key Largo, FL
  • Average cloud cover in July: 27

The month with the most cloud cover is October (Cloud cover 36).
The month with the least cloud cover is April (Cloud cover 26).

Average visibility in July
North Key Largo, FL

Average visibility in July - North Key Largo, FL
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

North Key Largo, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location