June weather forecast
McCormick, SC

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Weather in June

The first month of the summer, June, is a hot month in McCormick, South Carolina, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 68.5°F (20.3°C).

Temperature

June's arrival sees a mild rise in the average high-temperature, transitioning from May's moderately hot 81.7°F (27.6°C) to a tropical 89.2°F (31.8°C). An average minimum temperature of 68.5°F (20.3°C) marks the month of June.

Heat index

For June, the heat index is appraised at a scorching 104°F (40°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In June, the average relative humidity is 71%.

Rainfall

In McCormick, South Carolina, during June, the rain falls for 13.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 147.3 rainfall days, and 29.21" (742mm) of precipitation is accumulated.

Snowfall

In McCormick, South Carolina, snow does not fall in April through November.

Daylight

June has the longest days of the year, with an average of 14h and 24min of daylight.
On the first day of June, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:44 pm EDT.

Sunshine

In McCormick, the average sunshine in June is 10.7h.

UV index

June and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: During June, 7 as the daily maximum UV index converts into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot is it in June?

In June, in McCormick, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 68.5°F (20.3°C). In June, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 104°F (40°C).

What is the average humidity in June?

In June, the average relative humidity is 71%.

How much does it rain in June?

In McCormick, in June, it is raining for 13.5 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow?

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

When are the longest days?

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

How many hours of daylight does McCormick have in June?

In McCormick, the average day length in June is 14h and 23min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:44 pm EDT.

How many hours of sunshine does McCormick have in June?

In June, the average sunshine duration is 10.7h.

When is the highest UV index?

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

How high is the UV index in June?

In McCormick, the average daily maximum UV index in June is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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
McCormick, SC

Average temperature in June - McCormick, SC
  • Average high temperature in June: 89.2°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in June: 68.5°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in June
McCormick, SC

Average pressure in June - McCormick, 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).

Average wind speed in June
McCormick, SC

Average wind speed in June - McCormick, SC
  • Average wind speed in June: 5.3mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in June
McCormick, SC

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

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in June
McCormick, SC

Average rainfall in June - McCormick, SC
  • Average rainfall in June: 2.17"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in June
McCormick, SC

Average rainfall days in June - McCormick, SC
  • Average rainfall days in June: 13.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in June
McCormick, SC

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in June
McCormick, SC

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in June / Average sunshine in June - McCormick, 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 4min

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
McCormick, SC

Average sunshine days in June - McCormick, SC
  • Average sunshine days in June: 13.8 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in June
McCormick, SC

Average UV index in June - McCormick, SC
  • Average UV index in June: 7

The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in June
McCormick, SC

Average cloud cover in June - McCormick, SC
  • Average cloud cover in June: 29

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in June
McCormick, SC

Average visibility in June - McCormick, 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).

McCormick, South Carolina, USA

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