July weather forecast
Bartonville, IL

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Weather in July

July, like June, in Bartonville, Illinois, is another warm summer month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.3°F (18.5°C).

Temperature

In Bartonville, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

Heat index

The heat index value for July is evaluated at a hot 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The most humid month in Bartonville is July, with an average relative humidity of 84%.

Rainfall

In Bartonville, in July, it is raining for 14.9 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July is 14h and 44min.
On the first day of July, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:14 pm CDT.

Sunshine

In Bartonville, the average sunshine in July is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What part of the year is the hottest?

July is the warmest month of the year, registering average temperatures as high as 82°F (27.8°C) and as low as 65.3°F (18.5°C).

What are the temperatures in July?

During July, Bartonville experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 65.3°F (18.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the most humid month?

The most humid month in Bartonville is July, with an average relative humidity of 84%.

What is the average humidity in July?

In July, the average relative humidity is 84%.

How many days does it rain in July?

In Bartonville, in July, it is raining for 14.9 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Bartonville have in July?

In July, the average day length is 14h and 44min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:14 pm CDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.1h.

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 reading in July?

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

Average temperature in July - Bartonville, IL
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in July
Bartonville, IL

Average pressure in July - Bartonville, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Bartonville, IL

Average wind speed in July - Bartonville, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in July
Bartonville, IL

Average humidity in July - Bartonville, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Bartonville, IL

Average rainfall in July - Bartonville, IL
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in July
Bartonville, IL

Average rainfall days in July - Bartonville, IL
  • Average rainfall days in July: 14.9 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in July
Bartonville, IL

Average snowfall in July - Bartonville, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Bartonville, IL

Average snowfall days in July - Bartonville, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9 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
Bartonville, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Bartonville, IL

Average sunshine days in July - Bartonville, IL
  • Average sunshine days in July: 12.6 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in July
Bartonville, IL

Average UV index in July - Bartonville, 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
Bartonville, IL

Average cloud cover in July - Bartonville, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in July
Bartonville, IL

Average visibility in July - Bartonville, IL
  • Average visibility in July: 5mi

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

Bartonville, Illinois, USA

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