June weather forecastCharleston, TN
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Charleston, Tennessee, with an average temperature fluctuating between 85.5°F (29.7°C) and 63.3°F (17.4°C).Temperature
June brings a slight rise in Charleston's average high-temperature, moving from a warm 77.9°F (25.5°C) in May to a still moderately hot 85.5°F (29.7°C). A pronounced dip becomes evident during the nights in June as Charleston logs a consistent average temperature of 63.3°F (17.4°C).Heat index
In June, the heat index is evaluated at a sweltering 95°F (35°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The months with the lowest humidity in Charleston are June through November, with an average relative humidity of 75%.Rainfall
In June, in Charleston, Tennessee, the rain falls for 15 days. Throughout June, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
In Charleston, Tennessee, snow does not fall in April through October.Daylight
The month with the longest days in Charleston is June, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 6:25 am and sunset at 8:48 pm. On the last day of June, in Charleston, sunrise is at 6:27 am and sunset at 8:57 pm EDT.
Sunshine
With an average of 10.6h of sunshine, June has the most sunshine of the year in Charleston.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Charleston, TN
- Average high temperature in June: 85.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in June: 63.3°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in June
Charleston, TN
- Average pressure in June: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in June
Charleston, TN
- Average wind speed in June: 4.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in June
Charleston, TN
- Average humidity in June: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in June
Charleston, TN
- Average rainfall in June: 2.13"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in June
Charleston, TN
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in June
Charleston, TN
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Charleston, TN
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Charleston, TN
- Average daylight in June: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in June: 10h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in June
Charleston, TN
- Average sunshine days in June: 12 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in June
Charleston, TN
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in June
Charleston, TN
- Average cloud cover in June: 29
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in June
Charleston, TN
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
