Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition from July to August sees an average high-temperature of a still tropical 90°F (32.2°C), indicating a minor variance from the prior month. In the month of August, Joanna witnesses a consistent average low-temperature of 69.4°F (20.8°C).Heat index
The heat index value for August is appraised at a blisteringly hot 107.6°F (42°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The average relative humidity in August is 72%.Rainfall
In August, in Joanna, South Carolina, the rain falls for 16.5 days. Throughout August, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in Joanna, there are 150.3 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Joanna.Daylight
In August, the average length of the day is 13h and 24min.On the first day of August, sunrise is at 6:38 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:54 pm EDT.
Sunshine
The average sunshine in August is 10.2h.UV index
In Joanna, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 6 in August transforms into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
How hot does it get in Joanna in August?
What is the average humidity in August in Joanna?
How much does it rain in Joanna in August?
When it does not snow in Joanna?
What is the average length of the day in August in Joanna?
When is the sunrise / sunset in August in Joanna?
How long on average sun shines in August in Joanna?
What is the UV index intensity in August in Joanna?
Average temperature in August
Joanna, SC
- Average high temperature in August: 90°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in August: 69.4°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in August
Joanna, SC
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Joanna, SC
- Average wind speed in August: 4.6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in August
Joanna, SC
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Joanna, SC
- Average rainfall in August: 3.35"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in August
Joanna, SC
- Average rainfall days in August: 16.5 days
The month with the highest number of rainy days is August (16.5 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in August
Joanna, SC
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Joanna, SC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Joanna, SC
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in August
Joanna, SC
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
Joanna, SC
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Joanna, SC
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 44).
The months with the least cloud cover are June, July and October (Cloud cover 31).
Average visibility in August
Joanna, SC
- 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).
Joanna, South Carolina, USA
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