June weather forecast
Newton, IL

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Weather in June

The first month of the summer, June, is also a moderately hot month in Newton, Illinois, with an average temperature varying between 82°F (27.8°C) and 65.5°F (18.6°C).

Temperature

With the onset of June, the average high-temperature subtly transitions from a warm 73.8°F (23.2°C) in May to a still moderately hot 82°F (27.8°C). An average low-temperature of 65.5°F (18.6°C) is recorded during the nights in June.

Heat index

In June, the heat index is estimated at a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in June is 78%.

Rainfall

In Newton, in June, during 15.6 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Newton, during the entire year, the rain falls for 158.3 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:28 am and sunset at 8:12 pm. On the last day of June, sunrise is at 5:30 am and sunset at 8:22 pm CDT.

Sunshine

June has the most sunshine of the year, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in June translates into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

In Newton, in June, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in June is estimated at 87.8°F (31°C).

What is the average humidity in June?

The average relative humidity in June is 78%.

How much does it rain in June?

In Newton, during June, the rain falls for 15.6 days and regularly aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Newton?

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

When are the longest days?

With an average of 14h and 54min 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 14h and 52min.

When are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:28 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:22 pm CDT.

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

How many hours of sunshine does Newton have in June?

The average sunshine duration in June is 10.4h.

When is the highest UV index?

The months with the highest UV index are June 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 reading of 6 to 7 represents a high health vulnerability 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
Newton, IL

Average temperature in June - Newton, IL
  • Average high temperature in June: 82°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in June: 65.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in June
Newton, IL

Average pressure in June - Newton, IL
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Newton, IL

Average wind speed in June - Newton, IL
  • Average wind speed in June: 7.1mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in June
Newton, IL

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

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in June
Newton, IL

Average rainfall in June - Newton, IL
  • Average rainfall in June: 3.54"

The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in June
Newton, IL

Average rainfall days in June - Newton, IL
  • Average rainfall days in June: 15.6 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).

Average snowfall in June
Newton, IL

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

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Newton, IL

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

The month with the highest number of snowfall days is January (6.3 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
Newton, IL

Average daylight in June / Average sunshine in June - Newton, IL
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in June
Newton, IL

Average sunshine days in June - Newton, IL
  • Average sunshine days in June: 11.6 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in June
Newton, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Newton, IL

Average cloud cover in June - Newton, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in June
Newton, IL

Average visibility in June - Newton, 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).

Newton, Illinois, USA

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