June weather forecast
Smyrna, SC

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Weather in June

The first month of the summer, June, is a tropical month in Smyrna, South Carolina, with an average temperature varying between 65.8°F (18.8°C) and 87.8°F (31°C).

Temperature

Smyrna's transition into June is noticed by a slight rise in the average high-temperature, advancing from a warm 79.3°F (26.3°C) in May to a hot 87.8°F (31°C). Smyrna notes a substantial temperature decline from the daytime peaks throughout June, with an average nighttime temperature of 65.8°F (18.8°C).

Heat index

For June, the heat index is calculated to be a fiery hot 100.4°F (38°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In Smyrna, the average relative humidity in June is 71%.

Rainfall

In Smyrna, during June, the rain falls for 14.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Smyrna, during the entire year, the rain falls for 150.1 days and collects up to 27.68" (703mm) of precipitation.

Snowfall

In Smyrna, snow does not fall in April through November.

Daylight

With an average of 14h and 30min of daylight, June has the longest days of the year in Smyrna.
On the first day of June in Smyrna, sunrise is at 6:12 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:43 pm EDT.

Sunshine

The month with the most sunshine is June, with an average of 10.8h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in June translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

Is it hot in Smyrna during June?

Smyrna in June has an average high-temperature of 87.8°F (31°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in June is calculated to be 100.4°F (38°C).

What is the average humidity in June in Smyrna?

In Smyrna, the average relative humidity in June is 71%.

How much does it rain in Smyrna in June?

In Smyrna, during June, the rain falls for 14.8 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Smyrna?

April through November are months without snowfall in Smyrna.

When are the longest days in Smyrna?

The month with the longest days in Smyrna is June, with an average of 14h and 30min of daylight.

What is the average length of the day in June in Smyrna?

In Smyrna, South Carolina, the average day length in June is 14h and 29min.

What time are sunrise and sunset in June in Smyrna?

On the first day of June in Smyrna, South Carolina, sunrise is at 6:12 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:43 pm EDT.

What month has the most sunshine in Smyrna?

With an average of 10.8h of sunshine, June has the most sunshine of the year in Smyrna.

How long on average sun shines in June in Smyrna?

In June, the average sunshine duration is 10.8h.

What are the months with the highest UV index in Smyrna?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Smyrna, South Carolina.

How high is the UV index in June in Smyrna?

In Smyrna, South Carolina, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Smyrna, SC

Average temperature in June - Smyrna, SC
  • Average high temperature in June: 87.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in June: 65.8°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

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Average pressure in June
Smyrna, SC

Average pressure in June - Smyrna, SC
  • Average pressure in June: 29.98"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in June
Smyrna, SC

Average wind speed in June - Smyrna, SC
  • Average wind speed in June: 4.7mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in June
Smyrna, SC

Average humidity in June - Smyrna, SC
  • Average humidity in June: 71%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in June
Smyrna, SC

Average rainfall in June - Smyrna, SC
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is October (1.73").

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Average rainfall days in June
Smyrna, SC

Average rainfall days in June - Smyrna, SC
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.6 days).

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Average snowfall in June
Smyrna, SC

Average snowfall in June - Smyrna, SC
  • Average snowfall in June: 0"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in June
Smyrna, SC

Average snowfall days in June - Smyrna, SC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Smyrna, SC

Average daylight in June / Average sunshine in June - Smyrna, SC
  • Average daylight in June: 14h and 3min

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 48min).

  • Average sunshine in June: 10h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in June
Smyrna, SC

Average sunshine days in June - Smyrna, SC
  • Average sunshine days in June: 13.7 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in June
Smyrna, SC

Average UV index in June - Smyrna, 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).

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Average cloud cover in June
Smyrna, SC

Average cloud cover in June - Smyrna, SC
  • Average cloud cover in June: 30

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 30).

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Average visibility in June
Smyrna, SC

Average visibility in June - Smyrna, SC
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Smyrna, South Carolina, USA

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