August weather forecast
Manhattan, FL

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Weather in August

August, the last month of the summer in Manhattan, is another tropical month, with an average temperature ranging between max 90°F (32.2°C) and min 77.5°F (25.3°C).

Temperature

Manhattan's August weather reaches an average high of 90°F (32.2°C) and an average low of 77.5°F (25.3°C), making it the warmest month.

Heat index

The heat index value for August is evaluated at an extremely hot 109.4°F (43°C). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up 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.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in August in Manhattan is 76%.

Rainfall

The wettest months are July and August, with an average 2.68" (68mm) of rainfall.

Daylight

In August, the average length of the day is 13h and 5min.
On the first day of the month, sunrise is at 6:53 am and sunset at 8:18 pm. On the last day of August, in Manhattan, Florida, sunrise is at 7:08 am and sunset at 7:50 pm EDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the maximum UV index of 7 suggests these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are the warmest months in Manhattan?

August, recording an average high temperature of 90°F (32.2°C) and a low temperature of 77.5°F (25.3°C), is Manhattan's warmest month.

How hot is it in Manhattan in August?

The high-temperature, in August, in Manhattan, records 90°F (32.2°C), while the low-temperature is 77.5°F (25.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 109.4°F (43°C).

What is the average humidity in August in Manhattan?

In Manhattan, the average relative humidity in August is 76%.

What is the wettest month in Manhattan?

The months with the most rainfall in Manhattan are July and August, with an average 2.68" (68mm) of precipitation.

How many days does it rain in August in Manhattan?

In Manhattan, in August, during 24.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many hours of daylight does Manhattan have in August?

In August, the average day length in Manhattan is 13h and 5min.

What time are sunrise and sunset in August in Manhattan?

In August, on the first day of the month, sunrise is at 6:53 am and sunset at 8:18 pm. On the last day of the month, in Manhattan, sunrise is at 7:08 am and sunset at 7:50 pm EDT.

How many hours of sunshine does Manhattan have in August?

In August, the average sunshine duration is 9.7h.

When is the highest UV index in Manhattan?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Manhattan, Florida.

How high is the UV index in August in Manhattan?

In Manhattan, 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 humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Manhattan, FL

Average temperature in August - Manhattan, FL
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.7°F).

  • Average low temperature in August: 77.5°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).

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Average pressure in August
Manhattan, FL

Average pressure in August - Manhattan, FL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in August
Manhattan, FL

Average wind speed in August - Manhattan, FL
  • Average wind speed in August: 5.5mph

The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

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Average humidity in August
Manhattan, FL

Average humidity in August - Manhattan, FL
  • Average humidity in August: 76%

The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are March, April and May (71%).

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Average rainfall in August
Manhattan, FL

Average rainfall in August - Manhattan, FL
  • Average rainfall in August: 2.68"

The wettest months (with the highest rainfall) are July and August (2.68").
The driest months (with the least rainfall) are January, February and March (0.47").

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Average rainfall days in August
Manhattan, FL

Average rainfall days in August - Manhattan, FL
  • Average rainfall days in August: 24.1 days

The month with the highest number of rainy days is August (24.1 days).
The month with the least rainy days is February (6.7 days).

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Average daylight in August /
Average sunshine in August
Manhattan, FL

Average daylight in August / Average sunshine in August - Manhattan, FL
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in August
Manhattan, FL

Average sunshine days in August - Manhattan, FL
  • Average sunshine days in August: 4.1 days

The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is August (4.1 days).

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Average UV index in August
Manhattan, FL

Average UV index in August - Manhattan, FL
  • Average UV index in August: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in August
Manhattan, FL

Average cloud cover in August - Manhattan, FL
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 23).

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Average visibility in August
Manhattan, FL

Average visibility in August - Manhattan, 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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Manhattan, Florida, USA

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