August weather forecast and climate
Cedar Key, FL

Weather in August

The last month of the summer, August, is another tropical month in Cedar Key, Florida, with average temperature varying between 90.3°F (32.4°C) and 76.5°F (24.7°C).

Temperature

August is the warmest month, with an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 76.5°F (24.7°C).

Heat index

In August, the average heat index is calculated to a scorching 111.4°F (44.1°C). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In Cedar Key, the average relative humidity is 76%.

Rainfall

August is the month with the most rainfall in Cedar Key. Rain falls for 22.3 days and accumulates 3.58" (91mm) of precipitation.

Snowfall

In Cedar Key snow does not fall in January through November.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 86.4°F (30.2°C).
Note: The water temperature above 86°F (30°C) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

Daylight

The average length of the day in Cedar Key is 13.2h.

Sunshine

In August, the average sunshine is 9.6h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Cedar Key?

With an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 76.5°F (24.7°C), August is the warmest month in Cedar Key, Florida.

What is the temperature in August in Cedar Key?

In Cedar Key, in August, the average high-temperature is 90.3°F (32.4°C), and the average low-temperature is 76.5°F (24.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in August is calculated to 111.4°F (44.1°C).

What is the average humidity in August in Cedar Key?

The average relative humidity in August in Cedar Key, Florida, is 76%.

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

In Cedar Key, Florida, in August, it is raining for 22.3 days, with typically 3.58" (91mm) of accumulated precipitation.

What is the wettest month in Cedar Key?

August is the month with the most rainfall in Cedar Key. Rain falls for 22.3 days and accumulates 3.58" (91mm) of precipitation.

When it does not snow in Cedar Key?

In Cedar Key, Florida, snow does not fall in January through November.

What month is the ocean warmest in Cedar Key?

With an average ocean temperature of 86.4°F (30.2°C), August is the month with the warmest seawater in Cedar Key.

What is the ocean temperature in August in Cedar Key?

In Cedar Key, Florida, the average seawater temperature in August is 86.4°F (30.2°C). The water temperature above 86°F (30°C) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

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

In Cedar Key, Florida, the average length of the day in August is 13.2h.

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

The average sunshine in August in Cedar Key, Florida, is 9.6h.

When is the highest UV index in Cedar Key?

Months with the highest UV index in Cedar Key are May through August, with an average maximum UV index of 7.

How high is the UV index in August in Cedar Key?

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

Average temperature in August
Cedar Key, FL

Average temperature in August - Cedar Key, FL
  • Average high temperature in August: 90.3°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (64°F).

  • Average low temperature in August: 76.5°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

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Average pressure in August
Cedar Key, FL

Average pressure in August - Cedar Key, FL
  • Average pressure in August: 29.98"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is September (29.97").

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Average wind speed in August
Cedar Key, FL

Average wind speed in August - Cedar Key, FL
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in August
Cedar Key, FL

Average humidity in August - Cedar Key, FL
  • Average humidity in August: 76%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (71%).

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Average rainfall in August
Cedar Key, FL

Average rainfall in August - Cedar Key, FL
  • Average rainfall in August: 3.58"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is November (0.83").

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Average rainfall days in August
Cedar Key, FL

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

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall days in August
Cedar Key, FL

Average snowfall days in August - Cedar Key, FL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in August
Cedar Key, FL

Average sea temperature in August - Cedar Key, FL
  • Average sea temperature in August: 86.4°F

The best month for swimming (with the highest average sea temperature) is August (86.4°F).
The coldest month (with the lowest average sea temperature) is January (58.4°F).

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

Average daylight in August / Average sunshine in August - Cedar Key, FL
  • Average daylight in August: 13.2h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in August: 9.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in August
Cedar Key, FL

Average sunshine days in August - Cedar Key, FL
  • Average sunshine days in August: 5.9 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (5.8 days).

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Average UV index in August
Cedar Key, FL

Average UV index in August - Cedar Key, FL
  • Average UV index in August: 7

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in August
Cedar Key, FL

Average cloud cover in August - Cedar Key, FL
  • Average cloud cover in August: 30

Months with the most cloud cover are February and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 25).

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Average visibility in August
Cedar Key, FL

Average visibility in August - Cedar Key, FL
  • Average visibility in August: 6mi

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

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