June weather forecast
South Sumter, SC

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Weather in June

June, the first month of the summer in South Sumter, is a hot month, with an average temperature fluctuating between 70°F (21.1°C) and 87.4°F (30.8°C).

Temperature

June signals a minor shift in the average high-temperature, moving from May's moderately hot 80.2°F (26.8°C) to a hot 87.4°F (30.8°C). In the month of June, South Sumter experiences an average low-temperature of 70°F (21.1°C).

Heat index

For June, the heat index is estimated at a sweltering 100.4°F (38°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In South Sumter, the average relative humidity in June is 74%.

Rainfall

In South Sumter, in June, during 17.1 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in South Sumter, South Carolina, there are 161.8 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

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

Daylight

With an average of 14h and 24min of daylight, June has the longest days of the year.
On the first day of June in South Sumter, sunrise is at 6:11 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:36 pm EDT.

Sunshine

The average sunshine in June is 10.5h.

UV index

The months with the highest UV index in South Sumter are June and July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, the maximum UV index of 7 transforms into these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot is it in South Sumter in June?

The average high-temperature and low-temperature in South Sumter, South Carolina, during June are 87.4°F (30.8°C) and 70°F (21.1°C) respectively. In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 100.4°F (38°C).

What is the average humidity in June in South Sumter?

In South Sumter, the average relative humidity in June is 74%.

How many days does it rain in June in South Sumter?

In South Sumter, during June, the rain falls for 17.1 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in South Sumter?

April through October are months without snowfall in South Sumter.

When are the longest days in South Sumter?

The month with the longest days is June, with an average of 14h and 24min of daylight.

How many hours of daylight does South Sumter have in June?

The average day length in June in South Sumter is 14h and 22min.

When is the sunrise / sunset in June in South Sumter?

On the first day of June, sunrise is at 6:11 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:36 pm EDT.

How long on average sun shines in June in South Sumter?

The average sunshine duration in June is 10.5h.

What is the month with the highest UV index in South Sumter?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in June in South Sumter?

The average daily maximum UV index in June is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
South Sumter, SC

Average temperature in June - South Sumter, SC
  • Average high temperature in June: 87.4°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in June: 70°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure in June
South Sumter, SC

Average pressure in June - South Sumter, SC
  • Average pressure in June: 29.97"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in June
South Sumter, SC

Average wind speed in June - South Sumter, SC
  • Average wind speed in June: 6.3mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in June
South Sumter, SC

Average humidity in June - South Sumter, SC
  • Average humidity in June: 74%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in June
South Sumter, SC

Average rainfall in June - South Sumter, SC
  • Average rainfall in June: 3.11"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in June
South Sumter, SC

Average rainfall days in June - South Sumter, SC
  • Average rainfall days in June: 17.1 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in June
South Sumter, SC

Average snowfall in June - South Sumter, SC
  • Average snowfall in June: 0"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
South Sumter, SC

Average snowfall days in June - South Sumter, SC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
South Sumter, SC

Average daylight in June / Average sunshine in June - South Sumter, SC
  • Average daylight in June: 14h and 2min

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in June
South Sumter, SC

Average sunshine days in June - South Sumter, SC
  • Average sunshine days in June: 10.8 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in June
South Sumter, SC

Average UV index in June - South Sumter, SC
  • Average UV index in June: 7

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in June
South Sumter, SC

Average cloud cover in June - South Sumter, SC
  • Average cloud cover in June: 30

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in June
South Sumter, SC

Average visibility in June - South Sumter, 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).

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South Sumter, South Carolina, USA

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