June weather forecast
Greenville, SC

June in Greenville, South Carolina signals the beginning of summer. A considerable surge in temperature is noted from May to June, with the mercury soaring to 86.7°F (30.4°C) in the daytime. Evenings remain warm as the temperature does not dip substantially. Clear visibility and the abundance of sunshine make Greenville a summertime hotspot. However, sudden rain showers are not uncommon, and keeping an umbrella handy would be wise.

Temperature

As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a warm 79.2°F (26.2°C) to a hot 86.7°F (30.4°C). In Greenville, an average nighttime temperature of 65.5°F (18.6°C) is expected during June.

Heat index

The average heat index in June is calculated to be a torrid 96.8°F (36°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in June in Greenville is 71%.

Rainfall

In Greenville, South Carolina, in June, it is raining for 15.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 163.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

In Greenville, South Carolina, snow does not fall in April through October.

Daylight

The month with the longest days in Greenville is June, with an average of 14h and 30min of daylight.
On the first day of June in Greenville, sunrise is at 6:16 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:47 pm EDT.

Sunshine

In Greenville, the average sunshine in June is 10.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Greenville. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In June, a daily UV index of 6 turns into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.