June weather forecast
Perks, IL

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Weather in June

The first month of the summer, June, is also a moderately hot month in Perks, Illinois, with an average temperature varying between 85.6°F (29.8°C) and 66.2°F (19°C).

Temperature

With the onset of June, Perks's weather sees a temperature rise, transitioning from 75.7°F (24.3°C) in May to a still moderately hot 85.6°F (29.8°C). In June, the temperature drops to an average of 66.2°F (19°C) at night.

Heat index

June's heat index is calculated to be a very hot 96.8°F (36°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in June is 76%.

Rainfall

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

Snowfall

In Perks, 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 5:37 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:20 pm CDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Perks. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during June translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June?

An average high-temperature, in June, in Perks, is 85.6°F (29.8°C) and the average low-temperature is 66.2°F (19°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 96.8°F (36°C).

What is the average humidity in June?

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

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 12.5 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in June?

In Perks, in June, it is raining for 12.5 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

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

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?

In Perks, the average day length in June is 14h and 41min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:37 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:39 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 long on average sun shines in June in Perks?

In June, the average sunshine duration is 10.4h.

What are the months 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 reading in June?

In Perks, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Perks, IL

Average temperature in June - Perks, 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
Perks, IL

Average pressure in June - Perks, 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
Perks, IL

Average wind speed in June - Perks, 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
Perks, IL

Average humidity in June - Perks, 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
Perks, IL

Average rainfall in June - Perks, 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
Perks, IL

Average rainfall days in June - Perks, 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
Perks, IL

Average snowfall in June - Perks, 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
Perks, IL

Average snowfall days in June - Perks, 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
Perks, IL

Average daylight in June / Average sunshine in June - Perks, 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
Perks, IL

Average sunshine days in June - Perks, 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
Perks, IL

Average UV index in June - Perks, 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
Perks, IL

Average cloud cover in June - Perks, 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
Perks, IL

Average visibility in June - Perks, 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).

Perks, Illinois, USA

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