June weather forecast
Myrtle Grove, SC

The first month of the summer, June, is a tropical month in Myrtle Grove, South Carolina, with an average temperature ranging between max 87.1°F (30.6°C) and min 73.4°F (23°C).

Temperature

The shift from May to June is marked by a slight increase in the average high-temperature, moving from a warm 80.8°F (27.1°C) to a hot 87.1°F (30.6°C). In Myrtle Grove, an average nighttime temperature of 73.4°F (23°C) is expected during June.

Heat index

The heat index value during June is appraised at a torrid 100.4°F (38°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Myrtle Grove, South Carolina, the average relative humidity in June is 75%.

Rainfall

In June, the rain falls for 17.3 days. Throughout June, 2.6" (66mm) of precipitation is accumulated. In Myrtle Grove, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

June has the longest days of the year in Myrtle Grove, with an average of 14h and 18min of daylight.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:23 pm. On the last day of June, in Myrtle Grove, South Carolina, sunrise is at 6:15 am and sunset at 8:32 pm EDT.

Sunshine

In June, the average sunshine in Myrtle Grove is 10.8h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during June translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.