August weather forecastTybee Island, GA
August
Weather in August
August sees the continuation of summer at its peak in Tybee Island. It generally presents the same conditions as July, with high temperature, robust sunshine, and a high quantity of rainfall. August stands out with the highest rainfall of the year at 6.02in, attributing to the most significant number of rainfall days. Moving towards September, a lessening of both heat and daylight hours can be expected. However, snowfall remains practically non-existent.Temperature
The onset of August brings an average high-temperature of a still tropical 87.1°F (30.6°C), nearly matching the July temperature. During the nights of August, Tybee Island maintains an almost steady temperature with an average low of 78.4°F (25.8°C).Heat index
August's mean heat index is calculated to be a sweltering 102.2°F (39°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical 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 process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
The average relative humidity in August is 77%.Rainfall
August is the month with the most rainfall. Rain falls for 22.5 days and accumulates 6.02" (153mm) of precipitation.Snowfall
In Tybee Island, snow does not fall in March through December.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 83.5°F (28.6°C).Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
The average length of the day in August is 13h and 17min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:58 am and sunset at 7:48 pm EDT.
Sunshine
In Tybee Island, the average sunshine in August is 10.8h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 7 in August transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tybee Island, GA
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in August: 78.4°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in August
Tybee Island, GA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in August
Tybee Island, GA
- Average wind speed in August: 8.2mph
The windiest months (with the highest average wind speed) are January and November (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in August
Tybee Island, GA
- Average humidity in August: 77%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in August
Tybee Island, GA
- Average rainfall in August: 6.02"
The wettest month (with the highest rainfall) is August (6.02").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in August
Tybee Island, GA
- Average rainfall days in August: 22.5 days
The month with the highest number of rainy days is August (22.5 days).
The month with the least rainy days is November (8 days).
Average snowfall days in August
Tybee Island, GA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in August
Tybee Island, GA
- Average sea temperature in August: 83.5°F
The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).
Average daylight in August /
Average sunshine in August
Tybee Island, GA
- Average daylight in August: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in August: 10h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Tybee Island, GA
- Average sunshine days in August: 6 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is August (6 days).
Average UV index in August
Tybee Island, GA
- Average UV index in August: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in August
Tybee Island, GA
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Tybee Island, GA
- 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).
