August weather forecast
North Key Largo, FL

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Weather in August

August, the last month of the summer in North Key Largo, is another hot month, with an average temperature ranging between max 88.9°F (31.6°C) and min 81.7°F (27.6°C).

Temperature

August is North Key Largo's warmest month, registering average high temperatures of 88.9°F (31.6°C) and lows of 81.7°F (27.6°C).

Heat index

During August, the heat index is computed to be a blistering 104°F (40°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In August, the average relative humidity in North Key Largo is 71%.

Rainfall

The month with the most rainfall is August, when the rain falls for 26.8 days and typically aggregates up to 6.77" (172mm) of precipitation.

Ocean temperature

The month with the warmest seawater in North Key Largo is August, with an average ocean temperature of 86.5°F (30.3°C).
Note: Engaging in intense water activities can feel less refreshing when the temperature is above 86°F (30°C).

Daylight

The average length of the day in August is 12h and 59min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:06 pm. On the last day of August, sunrise is at 7:01 am and sunset at 7:40 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

April through September, with an average maximum UV index of 7, are months with the highest UV index in North Key Largo. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: During August, 7 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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Frequently asked questions

What part of the year is the hottest in North Key Largo?

North Key Largo witnesses the warmest weather in August, with temperatures averaging a high of 88.9°F (31.6°C) and a low of 81.7°F (27.6°C).

Is it hot in North Key Largo during August?

The high-temperature in North Key Largo, Florida, during August is 88.9°F (31.6°C) and the low-temperature is 81.7°F (27.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 104°F (40°C).

What is the average humidity in August in North Key Largo?

In August, the average relative humidity in North Key Largo is 71%.

What is the rainiest month in North Key Largo?

The month with the most rainfall is August, when the rain falls for 26.8 days and typically aggregates up to 6.77" (172mm) of precipitation.

How many days does it rain in August in North Key Largo?

In North Key Largo, Florida, in August, during 26.8 rainfall days, 6.77" (172mm) of precipitation is typically accumulated.

What month is the ocean warmest in North Key Largo?

The month with the warmest seawater in North Key Largo is August, with an average ocean temperature of 86.5°F (30.3°C).

What is the ocean temperature in August in North Key Largo?

In August, the average ocean temperature in North Key Largo, Florida, is 86.5°F (30.3°C). For swimming, other intense water activities, temperature above 86°F (30°C) is arguably unpleasant, as the water cooling effect is missing.

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

The average day length in August in North Key Largo is 12h and 59min.

When is the sunrise / sunset in August in North Key Largo?

On the first day of August in North Key Largo, sunrise is at 6:48 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:40 pm EDT.

How long on average sun shines in August in North Key Largo?

The average sunshine duration in August in North Key Largo is 10.4h.

When is the highest UV index in North Key Largo?

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

How high is the UV index in August in North Key Largo?

The average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in August
North Key Largo, FL

Average temperature in August - North Key Largo, FL
  • Average high temperature in August: 88.9°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 August: 81.7°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).

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Average pressure in August
North Key Largo, FL

Average pressure in August - North Key Largo, FL
  • Average pressure in August: 29.98"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).

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Average wind speed in August
North Key Largo, FL

Average wind speed in August - North Key Largo, FL
  • Average wind speed in August: 7.5mph

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).

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Average humidity in August
North Key Largo, FL

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

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

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Average rainfall in August
North Key Largo, FL

Average rainfall in August - North Key Largo, FL
  • Average rainfall in August: 6.77"

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

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Average rainfall days in August
North Key Largo, FL

Average rainfall days in August - North Key Largo, FL
  • Average rainfall days in August: 26.8 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).

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Average sea temperature in August
North Key Largo, FL

Average sea temperature in August - North Key Largo, FL
  • Average sea temperature in August: 86.5°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).

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

Average daylight in August / Average sunshine in August - North Key Largo, FL
  • Average daylight in August: 13h and 0min

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 August: 10h and 2min

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).

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Average sunshine days in August
North Key Largo, FL

Average sunshine days in August - North Key Largo, FL
  • Average sunshine days in August: 2.1 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).

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Average UV index in August
North Key Largo, FL

Average UV index in August - North Key Largo, FL
  • Average UV index in August: 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).

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Average cloud cover in August
North Key Largo, FL

Average cloud cover in August - North Key Largo, FL
  • Average cloud cover in August: 29

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

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Average visibility in August
North Key Largo, FL

Average visibility in August - North Key Largo, FL
  • Average visibility in August: 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).

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North Key Largo, Florida, USA

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