June weather forecast
Tunnel Hill, IL

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Weather in June

The first month of the summer, June, is still a warm month in Tunnel Hill, Illinois, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 66.2°F (19°C).

Temperature

With the onset of June, Tunnel Hill sees a temperature rise, with the average high-temperature moving from May's warm 75.7°F (24.3°C) to a still moderately hot 85.6°F (29.8°C). Tunnel Hill throughout June, experiences an average nighttime temperature of 66.2°F (19°C).

Heat index

The heat index for June is appraised at a fiery hot 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In June, the average relative humidity in Tunnel Hill is 76%.

Rainfall

The month with the most rainfall is June, when the rain falls for 12.5 days and typically aggregates up to 1.5" (38mm) of precipitation.

Snowfall

In Tunnel Hill, snow does not fall in April through October.

Daylight

June has the longest days of the year, with an average of 14h and 42min of daylight.
On the first day of June, sunrise is at 5:35 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:20 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during June translates into the following directions:
Deflect overexposure. Sun protection is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June in Tunnel Hill?

The average high-temperature and low-temperature during June are 85.6°F (29.8°C) and 66.2°F (19°C) respectively. In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 96.8°F (36°C).

What is the average humidity in June?

In Tunnel Hill, the average relative humidity in June is 76%.

What is the wettest month in Tunnel Hill?

The month with the most rainfall is June, when the rain falls for 12.5 days and typically aggregates up to 1.5" (38mm) of precipitation.

How many days does it rain in June?

In June, the rain falls for 12.5 days. Throughout June, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

When are the longest days?

With an average of 14h and 42min of daylight, June has the longest days of the year.

What is the average length of the day in June?

The average day length in June is 14h and 43min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:35 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:20 pm CDT.

What are the months with the most sunshine?

June and July, with an average of 10.4h of sunshine, are months with the most sunshine.

How many hours of sunshine does Tunnel Hill have in June?

In Tunnel Hill, the average sunshine duration in June is 10.4h.

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 in Tunnel Hill, Illinois.

What is the UV index reading in June?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Tunnel Hill, IL

Average temperature in June - Tunnel Hill, IL
  • Average high temperature in June: 85.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in June: 66.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in June
Tunnel Hill, IL

Average pressure in June - Tunnel Hill, IL
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Tunnel Hill, IL

Average wind speed in June - Tunnel Hill, IL
  • Average wind speed in June: 6.3mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in June
Tunnel Hill, IL

Average humidity in June - Tunnel Hill, IL
  • Average humidity in June: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Tunnel Hill, IL

Average rainfall in June - Tunnel Hill, IL
  • Average rainfall in June: 1.5"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in June
Tunnel Hill, IL

Average rainfall days in June - Tunnel Hill, IL
  • Average rainfall days in June: 12.5 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in June
Tunnel Hill, IL

Average snowfall in June - Tunnel Hill, IL
  • 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 and October (0").

Average snowfall days in June
Tunnel Hill, IL

Average snowfall days in June - Tunnel Hill, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (3.3 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
Tunnel Hill, IL

Average daylight in June / Average sunshine in June - Tunnel Hill, IL
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in June
Tunnel Hill, IL

Average sunshine days in June - Tunnel Hill, IL
  • Average sunshine days in June: 14.8 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in June
Tunnel Hill, IL

Average UV index in June - Tunnel Hill, IL
  • 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
Tunnel Hill, IL

Average cloud cover in June - Tunnel Hill, IL
  • Average cloud cover in June: 29

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in June
Tunnel Hill, IL

Average visibility in June - Tunnel Hill, IL
  • 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).

Tunnel Hill, Illinois, USA

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