August weather forecast
Mission Bay, FL

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Weather in August

The last month of the summer, August, is another tropical month in Mission Bay, Florida, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 80.2°F (26.8°C).

Temperature

Mission Bay's warmest month, August, registers temperatures that range from a high of 89.2°F (31.8°C) to a low of 80.2°F (26.8°C).

Heat index

In August, the heat index is appraised at an extremely hot 105.8°F (41°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Mission Bay, the average relative humidity in August is 73%.

Rainfall

The month with the most rainfall in Mission Bay is August, when the rain falls for 28.1 days and typically aggregates up to 6.38" (162mm) of precipitation.

Daylight

In August, the average length of the day is 13h and 2min.
On the first day of August, sunrise is at 6:46 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:41 pm EDT.

Sunshine

The average sunshine in August is 10.7h.

UV index

The months with the highest UV index in Mission Bay are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 7 in August translates into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Mission Bay?

The highest temperatures are recorded in August, with averages reaching a high of 89.2°F (31.8°C) and a low of 80.2°F (26.8°C).

How hot does it get in Mission Bay in August?

During August, Mission Bay experiences an average high-temperature of 89.2°F (31.8°C) and a low-temperature of 80.2°F (26.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 105.8°F (41°C).

What is the average humidity in August in Mission Bay?

In August, the average relative humidity in Mission Bay is 73%.

What is the rainiest month in Mission Bay?

August is the month with the most rainfall in Mission Bay, Florida. Rain falls for 28.1 days and accumulates 6.38" (162mm) of precipitation.

How many days does it rain in August in Mission Bay?

In Mission Bay, Florida, in August, during 28.1 rainfall days, 6.38" (162mm) of precipitation is typically accumulated.

How many hours of daylight does Mission Bay have in August?

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

What time are sunrise and sunset in August in Mission Bay?

On the first day of August, sunrise is at 6:46 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:41 pm EDT.

How many hours of sunshine does Mission Bay have in August?

The average sunshine duration in August in Mission Bay is 10.7h.

When is the highest UV index in Mission Bay?

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

What is the UV index reading in August in Mission Bay?

In Mission Bay, Florida, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Mission Bay, FL

Average temperature in August - Mission Bay, FL
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (73.2°F).

  • Average low temperature in August: 80.2°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (61.5°F).

Average pressure in August
Mission Bay, FL

Average pressure in August - Mission Bay, FL
  • Average pressure in August: 29.99"Hg

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

Average wind speed in August
Mission Bay, FL

Average wind speed in August - Mission Bay, FL
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is March (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in August
Mission Bay, FL

Average humidity in August - Mission Bay, FL
  • Average humidity in August: 73%

The months with the highest relative humidity are September, October and December (75%).
The month with the lowest relative humidity is March (68%).

Average rainfall in August
Mission Bay, FL

Average rainfall in August - Mission Bay, FL
  • Average rainfall in August: 6.38"

The wettest month (with the highest rainfall) is August (6.38").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in August
Mission Bay, FL

Average rainfall days in August - Mission Bay, FL
  • Average rainfall days in August: 28.1 days

The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is February (11.8 days).

Average daylight in August /
Average sunshine in August
Mission Bay, FL

Average daylight in August / Average sunshine in August - Mission Bay, 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: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in August
Mission Bay, FL

Average sunshine days in August - Mission Bay, FL
  • Average sunshine days in August: 0.9 days

The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is August (0.9 days).

Average UV index in August
Mission Bay, FL

Average UV index in August - Mission Bay, 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).

Average cloud cover in August
Mission Bay, FL

Average cloud cover in August - Mission Bay, FL
  • Average cloud cover in August: 28

The month with the most cloud cover is October (Cloud cover 34).
The months with the least cloud cover are April, May and July (Cloud cover 27).

Average visibility in August
Mission Bay, FL

Average visibility in August - Mission Bay, 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).

Mission Bay, Florida, USA

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