June weather forecast
McIllwain, TN

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Weather in June

June, the first month of the summer in McIllwain, is a tropical month, with an average temperature ranging between max 87.4°F (30.8°C) and min 66°F (18.9°C).

Temperature

June's arrival signals a subtle increase in average high-temperatures, moving from May's warm 78.6°F (25.9°C) to a hot 87.4°F (30.8°C). An average temperature of 66°F (18.9°C) marks the nights in McIllwain in June.

Heat index

During June, the heat index is calculated to be a very hot 102.2°F (39°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in June in McIllwain is 75%.

Rainfall

In McIllwain, in June, during 10.8 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in McIllwain, there are 115.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.

Snowfall

In McIllwain, snow does not fall in April through October.

Daylight

June has the longest days of the year in McIllwain, with an average of 14h and 36min of daylight.
On the first day of June, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:12 pm CDT.

Sunshine

With an average of 10.3h of sunshine, June has the most sunshine of the year in McIllwain, Tennessee.

UV index

The months with the highest UV index in McIllwain are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 in June translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot is it in McIllwain in June?

In June, in McIllwain, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in June is calculated to be 102.2°F (39°C).

What is the average humidity in June in McIllwain?

The average relative humidity in June in McIllwain is 75%.

How much does it rain in McIllwain in June?

In McIllwain, Tennessee, during June, the rain falls for 10.8 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in McIllwain?

April through October are months without snowfall in McIllwain.

When are the longest days in McIllwain?

June has the longest days of the year in McIllwain, with an average of 14h and 36min of daylight.

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

In June, the average day length is 14h and 33min.

When is the sunrise / sunset in June in McIllwain?

On the first day of June in McIllwain, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:12 pm CDT.

What month has the most sunshine in McIllwain?

With an average of 10.3h of sunshine, June has the most sunshine of the year in McIllwain.

How long on average sun shines in June in McIllwain?

In June, the average sunshine duration in McIllwain, Tennessee, is 10.3h.

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

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

What is the UV index intensity in June in McIllwain?

In McIllwain, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health risk 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
McIllwain, TN

Average temperature in June - McIllwain, TN
  • Average high temperature in June: 87.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in June: 66°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in June
McIllwain, TN

Average pressure in June - McIllwain, TN
  • Average pressure in June: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in June
McIllwain, TN

Average wind speed in June - McIllwain, TN
  • Average wind speed in June: 5.4mph

The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in June
McIllwain, TN

Average humidity in June - McIllwain, TN
  • Average humidity in June: 75%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in June
McIllwain, TN

Average rainfall in June - McIllwain, TN
  • Average rainfall in June: 1.26"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in June
McIllwain, TN

Average rainfall days in June - McIllwain, TN
  • Average rainfall days in June: 10.8 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.1 days).

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Average snowfall in June
McIllwain, TN

Average snowfall in June - McIllwain, TN
  • Average snowfall in June: 0"

The month with the highest snowfall is March (0.28").
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
McIllwain, TN

Average snowfall days in June - McIllwain, TN
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
McIllwain, TN

Average daylight in June / Average sunshine in June - McIllwain, TN
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in June
McIllwain, TN

Average sunshine days in June - McIllwain, TN
  • Average sunshine days in June: 16.4 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in June
McIllwain, TN

Average UV index in June - McIllwain, TN
  • 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 December (UV index 2).

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Average cloud cover in June
McIllwain, TN

Average cloud cover in June - McIllwain, TN
  • Average cloud cover in June: 30

The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in June
McIllwain, TN

Average visibility in June - McIllwain, TN
  • Average visibility in June: 6mi

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

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McIllwain, Tennessee, USA

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