June weather forecast
Radnor, TN

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Weather in June

June, the first month of the summer in Radnor, is a hot month, with an average temperature fluctuating between 86.4°F (30.2°C) and 66.6°F (19.2°C).

Temperature

Radnor's transition into June is noticed by a slight rise in the average high-temperature, advancing from a moderately hot 78.1°F (25.6°C) in May to a tropical 86.4°F (30.2°C). The nighttime temperature, during June, averages of 66.6°F (19.2°C).

Heat index

In June, the average heat index is computed to be a torrid 96.8°F (36°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in June is 73%.

Rainfall

In Radnor, during June, the rain falls for 17.5 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Radnor, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

In Radnor, snow does not fall in May through October.

Daylight

With an average of 14h and 36min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:30 am and sunset at 7:58 pm. On the last day of June, sunrise is at 5:33 am and sunset at 8:08 pm CDT.

Sunshine

With an average of 10.5h of sunshine, June has the most sunshine of the year.

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 risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during June?

The high-temperature during June is 86.4°F (30.2°C) and the low-temperature is 66.6°F (19.2°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 96.8°F (36°C).

What is the average humidity in June in Radnor?

In June, the average relative humidity in Radnor is 73%.

How much does it rain in June?

In Radnor, in June, it is raining for 17.5 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow?

In Radnor, snow does not fall in May through October.

When are the longest days?

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

How many hours of daylight does Radnor have in June?

In June, the average day length is 14h and 35min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:30 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:08 pm CDT.

What month has the most sunshine in Radnor?

With an average of 10.5h of sunshine, June has the most sunshine of the year.

How many hours of sunshine does Radnor have in June?

In June, the average sunshine duration is 10.5h.

When is the highest UV index?

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

What is the UV index reading in June?

The average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Radnor, TN

Average temperature in June - Radnor, TN
  • Average high temperature in June: 86.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in June
Radnor, TN

Average pressure in June - Radnor, TN
  • Average pressure in June: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in June
Radnor, TN

Average wind speed in June - Radnor, TN
  • Average wind speed in June: 5.3mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in June
Radnor, TN

Average humidity in June - Radnor, TN
  • Average humidity in June: 73%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June
Radnor, TN

Average rainfall in June - Radnor, TN
  • Average rainfall in June: 3.07"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in June
Radnor, TN

Average rainfall days in June - Radnor, TN
  • Average rainfall days in June: 17.5 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in June
Radnor, TN

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

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Radnor, TN

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

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Radnor, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in June
Radnor, TN

Average sunshine days in June - Radnor, TN
  • Average sunshine days in June: 9.9 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in June
Radnor, TN

Average UV index in June - Radnor, TN
  • 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, February and December (UV index 2).

Average cloud cover in June
Radnor, TN

Average cloud cover in June - Radnor, TN
  • Average cloud cover in June: 29

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

Average visibility in June
Radnor, TN

Average visibility in June - Radnor, TN
  • 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).

Radnor, Tennessee, USA

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