July weather forecast
Chatsworth, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Chatsworth, Illinois, with an average temperature ranging between max 80.8°F (27.1°C) and min 64.6°F (18.1°C).

Temperature

The temperatures reach their highest averages in July, with highs of 80.8°F (27.1°C) and lows of 64.6°F (18.1°C).

Heat index

The heat index value during July is calculated to be a hot 87.8°F (31°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The most humid month is July, with an average relative humidity of 86%.

Rainfall

In Chatsworth, in July, during 15.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 130.5 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Chatsworth, the average length of the day in July is 14h and 45min.
On the first day of the month, sunrise is at 5:26 am and sunset at 8:28 pm. On the last day of July, sunrise is at 5:49 am and sunset at 8:09 pm CDT.

Sunshine

In Chatsworth, the average sunshine in July is 9.6h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are the warmest months?

The warmest temperatures occur during July, when averages reach a peak of 80.8°F (27.1°C) and a low of 64.6°F (18.1°C).

What is the temperature in July?

The average high-temperature, in July, in Chatsworth, is 80.8°F (27.1°C), while the average low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the most humid month in Chatsworth?

The most humid month is July, with an average relative humidity of 86%.

What is the average humidity in July?

In Chatsworth, the average relative humidity in July is 86%.

How many days does it rain in July?

In July, the rain falls for 15.3 days. Throughout July, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

In Chatsworth, Illinois, snow does not fall in May through September.

How many hours of daylight does Chatsworth have in July?

The average day length in July is 14h and 45min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:26 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:09 pm CDT.

How long on average sun shines in July?

In Chatsworth, the average sunshine duration in July is 9.6h.

What are the months with the highest UV index in Chatsworth?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes 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
Chatsworth, IL

Average temperature in July - Chatsworth, IL
  • Average high temperature in July: 80.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in July: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in July
Chatsworth, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Chatsworth, IL

Average wind speed in July - Chatsworth, IL
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in July
Chatsworth, IL

Average humidity in July - Chatsworth, IL
  • Average humidity in July: 86%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Chatsworth, IL

Average rainfall in July - Chatsworth, IL
  • Average rainfall in July: 2.09"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in July
Chatsworth, IL

Average rainfall days in July - Chatsworth, IL
  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).

Average snowfall in July
Chatsworth, IL

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

The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Chatsworth, IL

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

The month with the highest number of snowfall days is January (10.6 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
Chatsworth, IL

Average daylight in July / Average sunshine in July - Chatsworth, IL
  • Average daylight in July: 14h and 5min

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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Chatsworth, IL

Average sunshine days in July - Chatsworth, IL
  • Average sunshine days in July: 11.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in July
Chatsworth, IL

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

Average cloud cover in July - Chatsworth, IL
  • Average cloud cover in July: 35

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in July
Chatsworth, IL

Average visibility in July - Chatsworth, 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).

Chatsworth, Illinois, USA

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