August weather forecastDunedin, FL
August
Weather in August
The last month of the summer, August, is another hot month in Dunedin, Florida, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 80.4°F (26.9°C).Temperature
In Dunedin, August records the highest average temperatures, peaking at 88°F (31.1°C) and reaching a low of 80.4°F (26.9°C).Heat index
August's mean heat index is computed to be a sweltering 102.2°F (39°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In August, the average relative humidity is 73%.Rainfall
August is the month with the most rainfall. Rain falls for 25.3 days and accumulates 5.16" (131mm) of precipitation.Ocean temperature
August is the month with the warmest seawater in Dunedin, with an average ocean temperature of 86.5°F (30.3°C).Note: Swimming or participating in water activities at temperatures above 86°F (30°C) might not be as invigorating as one might hope.
Daylight
The average length of the day in August is 13h and 7min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:20 pm. On the last day of August, sunrise is at 7:09 am and sunset at 7:52 pm EDT.
Sunshine
In August, the average sunshine in Dunedin 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation 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. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Enhance your sun protection with tightly woven, yet airy clothing. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dunedin, 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 (65.7°F).
- Average low temperature in August: 80.4°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (55°F).
Average pressure in August
Dunedin, FL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in August
Dunedin, FL
- Average wind speed in August: 7.1mph
The windiest months (with the highest average wind speed) are January and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in August
Dunedin, FL
- Average humidity in August: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in August
Dunedin, FL
- Average rainfall in August: 5.16"
The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days in August
Dunedin, FL
- Average rainfall days in August: 25.3 days
The month with the highest number of rainy days is July (25.6 days).
The month with the least rainy days is November (7.6 days).
Average sea temperature in August
Dunedin, FL
- Average sea temperature in August: 86.6°F
The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (61.1°F).
Average daylight in August /
Average sunshine in August
Dunedin, FL
- Average daylight in August: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in August
Dunedin, FL
- Average sunshine days in August: 3.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (3.6 days).
Average UV index in August
Dunedin, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in August
Dunedin, FL
- Average cloud cover in August: 27
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in August
Dunedin, 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).
