August weather forecast
Newton, IL

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Weather in August

The last month of the summer, August, is another warm month in Newton, Illinois, with an average temperature varying between 64.6°F (18.1°C) and 82.2°F (27.9°C).

Temperature

The average high-temperature during August registers at a still moderately hot 82.2°F (27.9°C), closely corresponding to the preceding month. During the month of August, Newton anticipates a mean low-temperature of 64.6°F (18.1°C).

Heat index

The heat index in August is estimated at a tropical 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. 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 primarily vital for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

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

Rainfall

In August, the rain falls for 14.1 days. Throughout August, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 158.3 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Newton, Illinois, the average length of the day in August is 13h and 38min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:24 pm CDT.

Sunshine

In Newton, the average sunshine in August is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

Newton in August has an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What are the most humid months in Newton?

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

What is the average humidity in August?

In August, the average relative humidity is 81%.

How much does it rain in August?

In August, the rain falls for 14.1 days. Throughout August, 2.68" (68mm) 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 August?

In Newton, the average day length in August is 13h and 38min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:24 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10h.

What is the month with 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 intensity in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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 August
Newton, IL

Average temperature in August - Newton, IL
  • Average high temperature in August: 82.2°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 August: 64.6°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 August
Newton, IL

Average pressure in August - Newton, IL
  • Average pressure in August: 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 August
Newton, IL

Average wind speed in August - Newton, IL
  • Average wind speed in August: 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 August
Newton, IL

Average humidity in August - Newton, IL
  • Average humidity in August: 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 August
Newton, IL

Average rainfall in August - Newton, IL
  • Average rainfall in August: 2.68"

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 August
Newton, IL

Average rainfall days in August - Newton, IL
  • Average rainfall days in August: 14.1 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 August
Newton, IL

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

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

Average daylight in August / Average sunshine in August - Newton, IL
  • Average daylight in August: 13h 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 August: 10h and 0min

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 August
Newton, IL

Average sunshine days in August - Newton, IL
  • Average sunshine days in August: 13.9 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 August
Newton, IL

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

Average cloud cover in August - Newton, IL
  • Average cloud cover in August: 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 August
Newton, IL

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