August weather forecast
Cedar Key, FL

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Weather in August

The last month of the summer, August, is also a hot month in Cedar Key, Florida, with temperature in the range of an average low of 76.5°F (24.7°C) and an average high of 90.3°F (32.4°C).

Temperature

Cedar Key's August weather reaches an average high of 90.3°F (32.4°C) and an average low of 76.5°F (24.7°C), making it the warmest month.

Heat index

Throughout August, the heat index is computed to be an extremely hot 111.2°F (44°C). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

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

Rainfall

The month with the most rainfall is August, when the rain falls for 22.3 days and typically aggregates up to 3.58" (91mm) of precipitation.

Snowfall

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

Ocean temperature

With an average ocean temperature of 86.4°F (30.2°C), August is the month with the warmest seawater.
Note: Engaging in water activities in temperatures beyond 86°F (30°C) might not feel as reinvigorating.

Daylight

In Cedar Key, the average length of the day in August is 13h and 10min.
On the first day of the month, sunrise is at 6:53 am and sunset at 8:23 pm. On the last day of August, sunrise is at 7:09 am and sunset at 7:54 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 7 during August translates into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

Cedar Key's August weather, with an average high temperature of 90.3°F (32.4°C) and an average low temperature of 76.5°F (24.7°C), tends to be the warmest of the year.

How hot is it in August?

In August, in Cedar Key, 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. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 111.2°F (44°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

What is the wettest month?

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

How much does it rain in August?

In August, the rain falls for 22.3 days. Throughout August, 3.58" (91mm) of precipitation is accumulated.

When it does not snow?

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

When is the ocean warmest?

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

How warm is the water in August?

In Cedar Key, in August, the average water temperature is 86.4°F (30.2°C). The surface water temperatures above 86°F (30°C) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

What is the average length of the day in August?

The average day length in August is 13h and 10min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:53 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 7:54 pm EDT.

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

The average sunshine duration in August is 9.6h.

When is the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in August
Cedar Key, FL

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

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

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).

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%).

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").

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).

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).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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).

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: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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).

Average UV index in August
Cedar Key, FL

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

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

Average cloud cover in August
Cedar Key, FL

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

The 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).

Average visibility in August
Cedar Key, FL

Average visibility in August - Cedar 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).

Cedar Key, Florida, USA

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