June weather forecastJoanna, SC
June
Weather in June
The first month of the summer, June, is a tropical month in Joanna, South Carolina, with an average temperature ranging between min 67.5°F (19.7°C) and max 88.5°F (31.4°C).Temperature
Joanna's weather shows a minor temperature rise with the arrival of June, moving from a warm 80.8°F (27.1°C) in May to a hot 88.5°F (31.4°C). Joanna reports an average nighttime low-temperature of 67.5°F (19.7°C) in June.Heat index
In June, the heat index is appraised at a very hot 102.2°F (39°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Heat index determinations are made taking into account the shade and light air movements. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In June, the average relative humidity is 71%.Rainfall
In Joanna, in June, it is raining for 13.9 days, with typically 2.36" (60mm) of accumulated precipitation. In Joanna, during the entire year, the rain falls for 150.3 days and collects up to 31.85" (809mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The month with the longest days in Joanna is June, with an average of 14h and 24min of daylight.On the first day of June, sunrise is at 6:15 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in June is 10.6h.UV index
With an average maximum UV index of 7, June is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In June, the maximum UV index of 7 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Joanna, SC
- Average high temperature in June: 88.5°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 June: 67.5°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 June
Joanna, SC
- Average pressure in June: 29.98"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 June
Joanna, SC
- Average wind speed in June: 5.3mph
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 June
Joanna, SC
- Average humidity in June: 71%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in June
Joanna, SC
- Average rainfall in June: 2.36"
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 June
Joanna, SC
- Average rainfall days in June: 13.9 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 June
Joanna, SC
- Average snowfall in June: 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 June
Joanna, SC
- Average snowfall days in June: 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 June /
Average sunshine in June
Joanna, SC
- Average daylight in June: 14h and 24min
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 June: 10h and 36min
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 June
Joanna, SC
- Average sunshine days in June: 15.2 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 June
Joanna, SC
- Average UV index in June: 7
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 June
Joanna, SC
- Average cloud cover in June: 31
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 June
Joanna, SC
- Average visibility in June: 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).
