June weather forecast
Siler City, NC

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Weather in June

The first month of the summer, June, is a hot month in Siler City, North Carolina, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 65.8°F (18.8°C).

Temperature

The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a moderately hot 78.6°F (25.9°C) in May to a hot 86.4°F (30.2°C). June witnesses an average nighttime temperature of 65.8°F (18.8°C).

Heat index

In June, the average heat index is estimated at a sweltering 96.8°F (36°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in June is 72%.

Rainfall

In Siler City, during June, the rain falls for 14.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 156.8 rainfall days, and 30.51" (775mm) of precipitation is accumulated.

Snowfall

In Siler City, snow does not fall in April through October.

Daylight

The month with the longest days is June, with an average of 14h and 30min of daylight.
On the first day of June, sunrise is at 6:02 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:37 pm EDT.

Sunshine

The average sunshine in June in Siler City is 10.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 during June translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

Is it hot during June?

June temperatures vary between a high-temperature of 86.4°F (30.2°C) and a low-temperature of 65.8°F (18.8°C). 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 96.8°F (36°C).

What is the average humidity in June?

In June, the average relative humidity is 72%.

How many days does it rain in June?

In June, the rain falls for 14.8 days. Throughout June, 2.48" (63mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall in Siler City.

When are the longest days?

June has the longest days of the year, with an average of 14h and 30min of daylight.

How many hours of daylight does Siler City have in June?

In Siler City, the average day length in June is 14h and 32min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 6:02 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:37 pm EDT.

How many hours of sunshine does Siler City have in June?

In Siler City, the average sunshine duration in June is 10.6h.

What is the month with the highest UV index?

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

What is the UV index intensity in June?

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Siler City, NC

Average temperature in June - Siler City, NC
  • Average high temperature in June: 86.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in June: 65.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

Average pressure in June
Siler City, NC

Average pressure in June - Siler City, NC
  • Average pressure in June: 29.97"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in June
Siler City, NC

Average wind speed in June - Siler City, NC
  • Average wind speed in June: 5.3mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in June
Siler City, NC

Average humidity in June - Siler City, NC
  • Average humidity in June: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in June
Siler City, NC

Average rainfall in June - Siler City, NC
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is October (1.85").

Average rainfall days in June
Siler City, NC

Average rainfall days in June - Siler City, NC
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in June
Siler City, NC

Average snowfall in June - Siler City, NC
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.97").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Siler City, NC

Average snowfall days in June - Siler City, NC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Siler City, NC

Average daylight in June / Average sunshine in June - Siler City, NC
  • 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in June
Siler City, NC

Average sunshine days in June - Siler City, NC
  • Average sunshine days in June: 13.2 days

The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in June
Siler City, NC

Average UV index in June - Siler City, NC
  • Average UV index in June: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in June
Siler City, NC

Average cloud cover in June - Siler City, NC
  • Average cloud cover in June: 31

The months with the most cloud cover are February, March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in June
Siler City, NC

Average visibility in June - Siler City, NC
  • Average visibility in June: 6mi

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

Siler City, North Carolina, USA

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