August weather forecastHarney, FL
August
Weather in August
The last month of the summer, August, is another hot month in Harney, Florida, with an average temperature fluctuating between 90.3°F (32.4°C) and 77.5°F (25.3°C).Temperature
Harney records the warmest temperatures in August, averaging a high of 90.3°F (32.4°C) and a low of 77.5°F (25.3°C).Heat index
August's average heat index is estimated at a blistering 111.2°F (44°C). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.In terms of the heat index, values are set with light wind and shade conditions in mind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In Harney, the average relative humidity in August is 75%.Rainfall
In Harney, in August, it is raining for 25 days, with typically 4.57" (116mm) of accumulated precipitation. In Harney, during the entire year, the rain falls for 172.9 days and collects up to 27.24" (692mm) of precipitation.Daylight
In Harney, the average length of the day in August is 13h and 7min.On the first day of August, sunrise is at 6:52 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 7:51 pm EDT.
Sunshine
In Harney, the average sunshine in August is 9.6h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in August interprets into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harney, 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 (68.4°F).
- Average low temperature in August: 77.5°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (52.2°F).
Average pressure in August
Harney, 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
Harney, FL
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in August
Harney, FL
- Average humidity in August: 75%
The months with the highest relative humidity are September and December (76%).
The months with the lowest relative humidity are March and May (70%).
Average rainfall in August
Harney, FL
- Average rainfall in August: 4.57"
The wettest month (with the highest rainfall) is July (5.08").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in August
Harney, FL
- Average rainfall days in August: 25 days
The months with the highest number of rainy days are July and August (25 days).
The month with the least rainy days is January (6.8 days).
Average daylight in August /
Average sunshine in August
Harney, 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 36min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in August
Harney, FL
- Average sunshine days in August: 3.4 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in August
Harney, 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
Harney, FL
- Average cloud cover in August: 30
The months with the most cloud cover are January, February and December (Cloud cover 33).
The month with the least cloud cover is May (Cloud cover 25).
Average visibility in August
Harney, 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).





