June weather forecast
Thornton, IL

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Weather in June

The first month of the summer, June, is a warm month in Thornton, Illinois, with an average temperature ranging between min 61.7°F (16.5°C) and max 77.7°F (25.4°C).

Temperature

Thornton's transition into June sees a rise in the average high-temperature, advancing from an agreeable 68.7°F (20.4°C) in May to a warm 77.7°F (25.4°C). During the nights in June, an average low-temperature of 61.7°F (16.5°C) is observed.

Humidity

In June, the average relative humidity is 78%.

Rainfall

In Thornton, in June, it is raining for 17.4 days, with typically 3.82" (97mm) of accumulated precipitation. In Thornton, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:20 am and sunset at 8:28 pm CDT.

Sunshine

The average sunshine in June in Thornton is 9.6h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures in Thornton?

The high-temperature during June is 77.7°F (25.4°C) and the low-temperature is 61.7°F (16.5°C).

What is the average humidity in June?

In Thornton, the average relative humidity in June is 78%.

How much does it rain in June?

In Thornton, in June, during 17.4 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

When it does not snow?

In Thornton, snow does not fall in May through September.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the average length of the day in June?

In June, the average day length is 15h and 8min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:18 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:28 pm CDT.

How many hours of sunshine does Thornton have in June?

In Thornton, Illinois, the average sunshine duration in June is 9.6h.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

How high is the UV index in June?

In Thornton, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Thornton, IL

Average temperature in June - Thornton, IL
  • Average high temperature in June: 77.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in June: 61.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in June
Thornton, IL

Average pressure in June - Thornton, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Thornton, IL

Average wind speed in June - Thornton, IL
  • Average wind speed in June: 7.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in June
Thornton, IL

Average humidity in June - Thornton, IL
  • Average humidity in June: 78%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in June
Thornton, IL

Average rainfall in June - Thornton, IL
  • Average rainfall in June: 3.82"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in June
Thornton, IL

Average rainfall days in June - Thornton, IL
  • Average rainfall days in June: 17.4 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in June
Thornton, IL

Average snowfall in June - Thornton, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Thornton, IL

Average snowfall days in June - Thornton, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Thornton, IL

Average daylight in June / Average sunshine in June - Thornton, IL
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in June
Thornton, IL

Average sunshine days in June - Thornton, IL
  • Average sunshine days in June: 10.4 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in June
Thornton, IL

Average UV index in June - Thornton, IL
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in June
Thornton, IL

Average cloud cover in June - Thornton, IL
  • Average cloud cover in June: 35

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in June
Thornton, IL

Average visibility in June - Thornton, IL
  • Average visibility in June: 6mi

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

Thornton, Illinois, USA

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