August weather forecast
Saint James City, FL

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Weather in August

The last month of the summer, August, is another hot month in Saint James City, Florida, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 81°F (27.2°C).

Temperature

August registers as the month with the highest average temperatures, reaching 88°F (31.1°C) at its peak and 81°F (27.2°C) at the lowest.

Heat index

For most parts of August, the heat index is calculated to be a very hot 102.2°F (39°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Saint James City, the average relative humidity in August is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 18.3 days and typically aggregates up to 1.93" (49mm) of precipitation.

Ocean temperature

With an average ocean temperature of 87.1°F (30.6°C), August is the month with the warmest seawater.
Note: Cooling down in waters with temperatures over 86°F (30°C) might not feel as satisfying.

Daylight

In August, the average length of the day is 13h and 3min.
On the first day of August, sunrise is at 6:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 7:48 pm EDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 during August translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be wary! Reflections from sand and water make UV radiation more intense.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Saint James City?

Saint James City's warmest temperatures are experienced in August, with average high temperatures of 88°F (31.1°C) and lows of 81°F (27.2°C).

Is it hot in Saint James City during August?

In Saint James City, in August, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 81°F (27.2°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 102.2°F (39°C).

What is the average humidity in August in Saint James City?

In August, the average relative humidity is 73%.

What is the wettest month in Saint James City?

The month with the most rainfall in Saint James City is August, when the rain falls for 18.3 days and typically aggregates up to 1.93" (49mm) of precipitation.

How much does it rain in Saint James City in August?

In Saint James City, in August, during 18.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

What is the month with the warmest ocean in Saint James City?

With an average ocean temperature of 87.1°F (30.6°C), August is the month with the warmest seawater in Saint James City.

What is the ocean temperature in August in Saint James City?

In Saint James City, Florida, in August, the average water temperature is 87.1°F (30.6°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 in Saint James City?

In Saint James City, Florida, the average day length in August is 13h and 3min.

What time are sunrise and sunset in August in Saint James City?

In August, on the first day of the month, sunrise is at 6:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 7:48 pm EDT.

How long on average sun shines in August in Saint James City?

The average sunshine duration in August in Saint James City, Florida, is 9.7h.

What are the months with the highest UV index in Saint James City?

The months with the highest UV index in Saint James City are May through September, with an average maximum UV index of 7.

What is the UV index intensity in August in Saint James City?

In Saint James City, Florida, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Saint James City, FL

Average temperature in August - Saint James City, FL
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (70°F).

  • Average low temperature in August: 81°F

The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (58.8°F).

Average pressure in August
Saint James City, FL

Average pressure in August - Saint James City, FL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in August
Saint James City, FL

Average wind speed in August - Saint James City, FL
  • Average wind speed in August: 7.3mph

The windiest months (with the highest average wind speed) are October and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in August
Saint James City, FL

Average humidity in August - Saint James City, FL
  • Average humidity in August: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).

Average rainfall in August
Saint James City, FL

Average rainfall in August - Saint James City, FL
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.16").

Average rainfall days in August
Saint James City, FL

Average rainfall days in August - Saint James City, FL
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (4.1 days).

Average sea temperature in August
Saint James City, FL

Average sea temperature in August - Saint James City, FL
  • Average sea temperature in August: 87.1°F

The best month for swimming (with the highest average sea temperature) is August (87.1°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

Average daylight in August /
Average sunshine in August
Saint James City, FL

Average daylight in August / Average sunshine in August - Saint James City, FL
  • Average daylight in August: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • 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 42min).

Average sunshine days in August
Saint James City, FL

Average sunshine days in August - Saint James City, FL
  • Average sunshine days in August: 7.5 days

The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (7.2 days).

Average UV index in August
Saint James City, FL

Average UV index in August - Saint James City, 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 February (UV index 5).

Average cloud cover in August
Saint James City, FL

Average cloud cover in August - Saint James City, FL
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).

Average visibility in August
Saint James City, FL

Average visibility in August - Saint James City, 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).

Saint James City, Florida, USA

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