August weather forecast
Sunrise Key, FL

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Weather in August

August, the last month of the summer in Sunrise Key, is another hot month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 82°F (27.8°C).

Temperature

Sunrise Key's August weather, marked by an average high temperature of 87.4°F (30.8°C) and an average low temperature of 82°F (27.8°C), is the warmest in the year.

Heat index

The heat index value for August is estimated at a sweltering 100.4°F (38°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Sunrise Key, Florida, the average relative humidity in August is 72%.

Rainfall

August is the month with the most rainfall. Rain falls for 22.3 days and accumulates 2.68" (68mm) of precipitation.

Daylight

In Sunrise Key, the average length of the day in August is 13h and 2min.
On the first day of August, sunrise is at 6:46 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:40 pm EDT.

Sunshine

The average sunshine in August is 10.7h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Sunrise Key. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 in August translates into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the warmest months in Sunrise Key?

August is the warmest month of the year in Sunrise Key, registering average temperatures as high as 87.4°F (30.8°C) and as low as 82°F (27.8°C).

How hot is August in Sunrise Key?

Sunrise Key in August has an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 82°F (27.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 100.4°F (38°C).

What is the average humidity in August in Sunrise Key?

The average relative humidity in August in Sunrise Key is 72%.

What is the wettest month in Sunrise Key?

The month with the most rainfall in Sunrise Key is August, when the rain falls for 22.3 days and typically aggregates up to 2.68" (68mm) of precipitation.

How many days does it rain in August in Sunrise Key?

In Sunrise Key, Florida, during August, the rain falls for 22.3 days and regularly aggregates up to 2.68" (68mm) of precipitation.

What is the average length of the day in August in Sunrise Key?

In Sunrise Key, Florida, the average day length in August is 13h and 2min.

When is the sunrise / sunset in August in Sunrise Key?

On the first day of August, sunrise is at 6:46 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:40 pm EDT.

How many hours of sunshine does Sunrise Key have in August?

In August, the average sunshine duration is 10.7h.

What are the months with the highest UV index in Sunrise Key?

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

What is the UV index reading in August in Sunrise Key?

The average daily maximum UV index in August in Sunrise Key is 7. A UV Index reading of 6 to 7 represents a high health risk 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
Sunrise Key, FL

Average temperature in August - Sunrise Key, FL
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in August: 82°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

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Average pressure in August
Sunrise Key, FL

Average pressure in August - Sunrise Key, FL
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

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Average wind speed in August
Sunrise Key, FL

Average wind speed in August - Sunrise Key, FL
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is March (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in August
Sunrise Key, FL

Average humidity in August - Sunrise Key, FL
  • Average humidity in August: 72%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).

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Average rainfall in August
Sunrise Key, FL

Average rainfall in August - Sunrise Key, FL
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in August
Sunrise Key, FL

Average rainfall days in August - Sunrise Key, FL
  • Average rainfall days in August: 22.3 days

The month with the highest number of rainy days is September (23.6 days).
The month with the least rainy days is February (8.3 days).

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Average daylight in August /
Average sunshine in August
Sunrise Key, FL

Average daylight in August / Average sunshine in August - Sunrise Key, 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 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).

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Average sunshine days in August
Sunrise Key, FL

Average sunshine days in August - Sunrise Key, FL
  • Average sunshine days in August: 4.2 days

The month with the most sunshine days is January (17.4 days).
The month with the least sunshine days is September (3.9 days).

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Average UV index in August
Sunrise Key, FL

Average UV index in August - Sunrise Key, 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 months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in August
Sunrise Key, FL

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

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 27).

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Average visibility in August
Sunrise Key, FL

Average visibility in August - Sunrise Key, 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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Sunrise Key, Florida, USA

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