June weather forecastLancaster, SC
June
Weather in June
Notably, the temperature in June leaps up significantly, heralding the true arrival of summer in Lancaster. An increase in rainfall keeps the summer heat manageable, despite frequent sunshine during longer daylight hours. Humidity sees a slight decrease, but the overall moisture content remains high. The wind speed decreases further, making for quite hot afternoons. The maximum temperature reaches a scorching 87.3°F (30.7°C) while the minimum remains at 68.2°F (20.1°C).Temperature
As Lancaster welcomes June, the average high-temperature sees a modest rise, transitioning from a warm 79.9°F (26.6°C) in May to a hot 87.3°F (30.7°C). The average low-temperature, in June, is a pleasant 68.2°F (20.1°C).Heat index
The average heat index in June is calculated to be a torrid 98.6°F (37°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The months with the lowest humidity are June, July and November, with an average relative humidity of 71%.Rainfall
In Lancaster, during June, the rain falls for 12.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 120.6 rainfall days, and 11.97" (304mm) of precipitation is accumulated.Snowfall
In Lancaster, snow does not fall in March through December.Daylight
With an average of 14h and 24min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 6:10 am and sunset at 8:31 pm. On the last day of June, sunrise is at 6:13 am and sunset at 8:40 pm EDT.
Sunshine
In Lancaster, the average sunshine in June is 10.8h.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: During June, 7 as the daily maximum UV index converts into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Lancaster, SC
- Average high temperature in June: 87.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in June: 68.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in June
Lancaster, SC
- Average pressure in June: 29.97"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in June
Lancaster, SC
- Average wind speed in June: 5.7mph
The windiest months (with the highest average wind speed) are February and April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Lancaster, SC
- Average humidity in June: 71%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).
Average rainfall in June
Lancaster, SC
- Average rainfall in June: 1.22"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in June
Lancaster, SC
- Average rainfall days in June: 12.8 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in June
Lancaster, SC
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in June
Lancaster, SC
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Lancaster, 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 48min
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
Lancaster, SC
- Average sunshine days in June: 14.6 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in June
Lancaster, SC
- Average UV index in June: 7
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in June
Lancaster, SC
- Average cloud cover in June: 28
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in June
Lancaster, 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).
