July weather forecast
Newton, IL

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Weather in July

July, like June, in Newton, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 83.7°F (28.7°C).

Temperature

With its high average temperature of 83.7°F (28.7°C) and a low of 66.9°F (19.4°C), July is regarded as the warmest month.

Heat index

The average heat index in July is estimated at a tropical 93.2°F (34°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The months with the highest humidity are July and August, with an average relative humidity of 81%.

Rainfall

In Newton, during July, the rain falls for 16.7 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, in Newton, there are 158.3 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day is 14h and 35min.
On the first day of July in Newton, sunrise is at 5:31 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:04 pm CDT.

Sunshine

In July, the average sunshine is 10.2h.

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 hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July registers as the month with the average highest temperatures, reaching 83.7°F (28.7°C) at its peak and 66.9°F (19.4°C) at the lowest.

How hot is it in July?

In July, in Newton, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 66.9°F (19.4°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the most humid month?

July and August, with an average relative humidity of 81%, are most humid months.

What is the average humidity in July?

The average relative humidity in July is 81%.

How many days does it rain in July?

In July, the rain falls for 16.7 days. Throughout July, 3.15" (80mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Newton have in July?

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

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:31 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:04 pm CDT.

How long on average sun shines in July?

In Newton, the average sunshine duration in July is 10.2h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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 July
Newton, IL

Average temperature in July - Newton, IL
  • Average high temperature in July: 83.7°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 July: 66.9°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 July
Newton, IL

Average pressure in July - Newton, IL
  • Average pressure in July: 29.98"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 July
Newton, IL

Average wind speed in July - Newton, IL
  • Average wind speed in July: 6mph

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 July
Newton, IL

Average humidity in July - Newton, IL
  • Average humidity in July: 81%

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 July
Newton, IL

Average rainfall in July - Newton, IL
  • Average rainfall in July: 3.15"

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 July
Newton, IL

Average rainfall days in July - Newton, IL
  • Average rainfall days in July: 16.7 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 July
Newton, IL

Average snowfall in July - Newton, IL
  • Average snowfall in July: 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 July
Newton, IL

Average snowfall days in July - Newton, IL
  • Average snowfall days in July: 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 July /
Average sunshine in July
Newton, IL

Average daylight in July / Average sunshine in July - Newton, IL
  • Average daylight in July: 14h and 4min

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 July: 10h and 1min

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 July
Newton, IL

Average sunshine days in July - Newton, IL
  • Average sunshine days in July: 10.9 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 July
Newton, IL

Average UV index in July - Newton, IL
  • Average UV index in July: 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 July
Newton, IL

Average cloud cover in July - Newton, IL
  • Average cloud cover in July: 30

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 July
Newton, IL

Average visibility in July - Newton, IL
  • Average visibility in July: 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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