June weather forecastLyman, SC
June
Weather in June
June, the first month of the summer in Lyman, is a tropical month, with an average temperature varying between 88.3°F (31.3°C) and 65.8°F (18.8°C).Temperature
The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 79.5°F (26.4°C) in May to a tropical 88.3°F (31.3°C). Throughout the month of June, Lyman observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 65.8°F (18.8°C).Heat index
June's mean heat index is estimated at a sweltering 100.4°F (38°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in June is 69%.Rainfall
In Lyman, in June, it is raining for 13.7 days, with typically 2.17" (55mm) of accumulated precipitation. In Lyman, South Carolina, during the entire year, the rain falls for 141 days and collects up to 28.5" (724mm) of precipitation.Snowfall
In Lyman, snow does not fall in April through October.Daylight
The month with the longest days is June, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 6:15 am and sunset at 8:37 pm. On the last day of June, sunrise is at 6:18 am and sunset at 8:46 pm EDT.
Sunshine
In June, the average sunshine is 10.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in June leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Lyman, SC
- Average high temperature in June: 88.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in June: 65.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in June
Lyman, SC
- Average pressure in June: 29.99"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in June
Lyman, SC
- Average wind speed in June: 4.9mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in June
Lyman, SC
- Average humidity in June: 69%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (67%).
Average rainfall in June
Lyman, SC
- Average rainfall in June: 2.17"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in June
Lyman, SC
- Average rainfall days in June: 13.7 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in June
Lyman, SC
- Average snowfall in June: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Lyman, SC
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (1.6 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
Lyman, SC
- Average daylight in June: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
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 18min).
Average sunshine days in June
Lyman, SC
- Average sunshine days in June: 14.6 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in June
Lyman, SC
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in June
Lyman, SC
- Average cloud cover in June: 28
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in June
Lyman, 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).
