Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
Summerville's weather shows a minor temperature rise with the arrival of June, moving from a moderately hot 82°F (27.8°C) in May to a tropical 88.7°F (31.5°C). Summerville records an average nighttime low of 71.6°F (22°C) in June.Heat index
The heat index value for June is computed to be an extremely hot 105.8°F (41°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in June in Summerville is 75%.Rainfall
In Summerville, in June, during 15 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 120.6 rainfall days, and 11.18" (284mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the longest days is June, with an average of 14h and 18min of daylight.On the first day of June, sunrise is at 6:12 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:33 pm EDT.
Sunshine
In Summerville, South Carolina, the average sunshine in June is 10.6h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index in Summerville, South Carolina. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, the maximum UV index of 7 suggests these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is June in Summerville?
What is the average humidity in June in Summerville?
How many days does it rain in June in Summerville?
When it does not snow in Summerville?
When are the longest days in Summerville?
What is the average length of the day in June in Summerville?
When are sunrise and sunset in June in Summerville?
How many hours of sunshine does Summerville have in June?
When is the highest UV index in Summerville?
How high is the UV index in June in Summerville?
Average temperature in June
Summerville, SC
- Average high temperature in June: 88.7°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in June: 71.6°F
The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in June
Summerville, SC
- Average pressure in June: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in June
Summerville, SC
- Average wind speed in June: 5.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in June
Summerville, SC
- Average humidity in June: 75%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in June
Summerville, SC
- Average rainfall in June: 1.22"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in June
Summerville, SC
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in June
Summerville, SC
- Average snowfall in June: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in June
Summerville, SC
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in June /
Average sunshine in June
Summerville, SC
- Average daylight in June: 14h and 2min
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 June: 10h and 4min
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 June
Summerville, SC
- Average sunshine days in June: 11.2 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is August (7.4 days).
Average UV index in June
Summerville, SC
- Average UV index in June: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in June
Summerville, SC
- Average cloud cover in June: 30
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in June
Summerville, 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).
Summerville, South Carolina, USA
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