Weather in July
July, in the heart of summer, boasts the highest temperatures of the year for Charleston International Airport. The mercury reaches a scorching 86°F (30°C) at the peak, making it the warmest month in the calendar. This month enjoys long daylight hours, sharing a striking balance with shorter nights. The UV index, as a constant companion of the sunny weather, also scales new heights. July also presents the heaviest rainfall, requiring residents to brace for potential sudden showers amidst the sweltering heat.
On the first day of July, sunrise is at 6:15 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:19 pm EDT.
Note: An average maximum UV index of 9 in July leads to these recommendations:
Protection should always be a priority. Skin and eyes are vulnerable without it. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Frequent application of a broad-spectrum SPF 30+ sunscreen is crucial, reapply it every two hours or immediately post swimming or outdoor exercise.
[Resources]Temperature
July, on average, is the warmest month, registering a high temperature of 86°F (30°C) and a low of 64.4°F (18°C).Rainfall
July is the month with the most rainfall. Rain falls for 13 days and accumulates 4.84" (123mm) of precipitation.Daylight
The average length of the day in July in Charleston International Airport is 14h and 4min.On the first day of July, sunrise is at 6:15 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:19 pm EDT.
Sunshine
The months with the most sunshine in Charleston International Airport are May through August, with an average of 8h of sunshine.UV index
June through August, with an average maximum UV index of 9, are months with the highest UV index in Charleston International Airport. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 9 in July leads to these recommendations:
Protection should always be a priority. Skin and eyes are vulnerable without it. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Frequent application of a broad-spectrum SPF 30+ sunscreen is crucial, reapply it every two hours or immediately post swimming or outdoor exercise.
Frequently asked questions
What is the hottest time of year in Charleston International Airport?
Charleston International Airport registers the average highest temperatures during July, with peaks of 86°F (30°C) and lows of 64.4°F (18°C).
How hot is July in Charleston International Airport?
During July, Charleston International Airport experiences an average high-temperature of 86°F (30°C) and a low-temperature of 64.4°F (18°C).
What is the wettest month in Charleston International Airport?
The month with the most rainfall is July, when the rain falls for 13 days and typically aggregates up to 4.84" (123mm) of precipitation.
How much does it rain in Charleston International Airport in July?
In Charleston International Airport, in July, during 13 rainfall days, 4.84" (123mm) of precipitation is typically accumulated.
What is the average length of the day in July in Charleston International Airport?
In Charleston International Airport, the average day length in July is 14h and 4min.
When are sunrise and sunset in July in Charleston International Airport?
In July, on the first day of the month, sunrise is at 6:15 am and sunset at 8:32 pm. On the last day of the month, in Charleston International Airport, South Carolina, sunrise is at 6:33 am and sunset at 8:19 pm EDT.
What is the month with the most sunshine in Charleston International Airport?
The months with the most sunshine are May through August, with an average of 8h of sunshine.
How long on average sun shines in July in Charleston International Airport?
In Charleston International Airport, the average sunshine duration in July is 8h.
What are the months with the highest UV index in Charleston International Airport?
The months with the highest UV index are June through August, with an average maximum UV index of 9.
How high is the UV index in July in Charleston International Airport?
In July, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation.
Average temperature in July
Charleston International Airport, SC
- Average high temperature in July: 86°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average rainfall in July
Charleston International Airport, SC
- Average rainfall in July: 4.8"
The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the least rainfall) is October (2.8").
Average rainfall days in July
Charleston International Airport, SC
- Average rainfall days in July: 13 days
The month with the highest number of rainy days is January (15 days).
The months with the least rainy days are September and October (10 days).
Average daylight in July /
Average sunshine in July
Charleston International Airport, SC
- Average daylight in July: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in July: 8h
The months with the most sunshine are May, June, July and August (Average sunshine: 8h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in July
Charleston International Airport, SC
- Average UV index in July: 9
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
Charleston International Airport, South Carolina, USA
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