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
Jefferson's August average high-temperature settles at a still tropical 87.8°F (31°C), showing a near match with the preceding month. In August, the temperature in Jefferson drops to an average of 70.3°F (21.3°C) at night.Heat index
For August, the heat index is estimated at a sweltering 102.2°F (39°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Jefferson, the average relative humidity in August is 73%.Rainfall
The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 3.54" (90mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August in Jefferson is 13h and 25min.On the first day of August, sunrise is at 6:32 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:48 pm EDT.
Sunshine
In Jefferson, the average sunshine in August is 10.4h.UV index
The average daily maximum UV index in August in Jefferson is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 in August translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
Is it hot in Jefferson during August?
What is the average humidity in August in Jefferson?
What is the rainiest month in Jefferson?
How many days does it rain in August in Jefferson?
When it does not snow in Jefferson?
How many hours of daylight does Jefferson have in August?
When are sunrise and sunset in August in Jefferson?
How many hours of sunshine does Jefferson have in August?
What is the UV index reading in August in Jefferson?
Average temperature in August
Jefferson, SC
- Average high temperature in August: 87.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in August: 70.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in August
Jefferson, SC
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in August
Jefferson, SC
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Jefferson, SC
- Average humidity in August: 73%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are January, March, July and November (71%).
Average rainfall in August
Jefferson, SC
- Average rainfall in August: 3.54"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in August
Jefferson, SC
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in August
Jefferson, SC
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Jefferson, SC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Jefferson, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in August
Jefferson, SC
- Average sunshine days in August: 11 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in August
Jefferson, SC
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Jefferson, SC
- Average cloud cover in August: 32
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in August
Jefferson, 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).
Jefferson, South Carolina, USA
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