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
June witnesses a minor rise in the average high-temperature, transitioning from a moderately hot 81°F (27.2°C) in May to a tropical 87.6°F (30.9°C). During June, Williston witnesses a consistent average low-temperature of 71.1°F (21.7°C).Heat index
The average heat index in June is calculated to be a fiery hot 100.4°F (38°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in June is 73%.Rainfall
In June, the rain falls for 16.4 days. Throughout June, 2.36" (60mm) of precipitation is accumulated. In Williston, during the entire year, the rain falls for 157.7 days and collects up to 30.2" (767mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
June has the longest days of the year, with an average of 14h and 18min of daylight.On the first day of June, sunrise is at 6:16 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:39 pm EDT.
Sunshine
The average sunshine in June is 10.7h.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 7 during June translates into the following guidance:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in June?
What is the average humidity in June in Williston?
How many days does it rain in June?
When it does not snow?
When are the longest days?
What is the average length of the day in June?
When is the sunrise / sunset in June?
How many hours of sunshine does Williston have in June?
What is the month with the highest UV index?
How high is the UV index in June?
Average temperature in June
Williston, SC
- Average high temperature in June: 87.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in June: 71.1°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in June
Williston, SC
- Average pressure in June: 29.97"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in June
Williston, SC
- Average wind speed in June: 6.5mph
The windiest months (with the highest average wind speed) are February, March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in June
Williston, SC
- Average humidity in June: 73%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in June
Williston, SC
- Average rainfall in June: 2.36"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in June
Williston, SC
- Average rainfall days in June: 16.4 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in June
Williston, SC
- Average snowfall in June: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in June
Williston, SC
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (0.6 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
Williston, 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 24min).
Average sunshine days in June
Williston, SC
- Average sunshine days in June: 11 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in June
Williston, SC
- Average UV index in June: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in June
Williston, SC
- Average cloud cover in June: 29
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in June
Williston, 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).
Williston, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location