June weather forecastMount Pleasant, SC
June
Weather in June
Come June, Mount Pleasant is in the full swing of summer with predictable warm weather conditions. A distinctive feature of this month’s weather is the highest number of rainy days being 20.8. While high temperatures persist throughout the month, the city enjoys more sunlight than any other month, observing 14.3 daylight hours. The high rainfall frequency balances the increased heat, maintaining comfortable conditions. Cooling off in pools or visiting the beaches becomes a regular activity as locals aim to mitigate the impact of rising temperatures.Temperature
June's arrival in Mount Pleasant brings a slight change in high-temperatures, adjusting from 79°F (26.1°C) in May to a still warm 84.9°F (29.4°C). During the month of June, the nighttime temperature falls to an average of 74.8°F (23.8°C).Heat index
The heat index in June is calculated to be a very hot 95°F (35°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
The average relative humidity in June in Mount Pleasant is 76%.Rainfall
In Mount Pleasant, in June, it is raining for 20.8 days, with typically 4.61" (117mm) of accumulated precipitation. In Mount Pleasant, during the entire year, the rain falls for 182.9 days and collects up to 44.69" (1135mm) of precipitation.Snowfall
March through November are months without snowfall in Mount Pleasant.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 6:11 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:31 pm EDT.
Sunshine
June and July, with an average of 10.9h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index in Mount Pleasant. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 7 in June interprets into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mount Pleasant, SC
- Average high temperature in June: 84.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in June: 74.8°F
The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in June
Mount Pleasant, SC
- Average pressure in June: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in June
Mount Pleasant, SC
- Average wind speed in June: 8.4mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in June
Mount Pleasant, SC
- Average humidity in June: 76%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in June
Mount Pleasant, SC
- Average rainfall in June: 4.61"
The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in June
Mount Pleasant, SC
- Average rainfall days in June: 20.8 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in June
Mount Pleasant, SC
- Average snowfall in June: 0"
The month with the highest snowfall is December (0.3").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in June
Mount Pleasant, 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 March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in June /
Average sunshine in June
Mount Pleasant, SC
- Average daylight in June: 14h and 18min
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 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in June
Mount Pleasant, SC
- Average sunshine days in June: 6.8 days
The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).
Average UV index in June
Mount Pleasant, SC
- Average UV index in June: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in June
Mount Pleasant, SC
- Average cloud cover in June: 26
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in June
Mount Pleasant, 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).
