July weather forecast
Glenwood, IL

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Weather in July

July, like June, in Glenwood, Illinois, is another warm summer month, with an average temperature fluctuating between 81.3°F (27.4°C) and 65.8°F (18.8°C).

Temperature

In Glenwood, July records the highest average temperatures, peaking at 81.3°F (27.4°C) and reaching a low of 65.8°F (18.8°C).

Heat index

During July, the heat index is estimated at a tropical 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in July is 79%.

Rainfall

In Glenwood, in July, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation. In Glenwood, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

May through September are months without snowfall in Glenwood.

Daylight

In July, the average length of the day in Glenwood is 14h and 50min.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of July, in Glenwood, sunrise is at 5:44 am and sunset at 8:08 pm CDT.

Sunshine

In Glenwood, the average sunshine in July is 9.9h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Glenwood, Illinois. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 in July translates into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Glenwood?

July, noted for its average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month in Glenwood, Illinois.

What is the temperature in July in Glenwood?

In July, in Glenwood, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in July in Glenwood?

In July, the average relative humidity in Glenwood is 79%.

How many days does it rain in July in Glenwood?

In Glenwood, in July, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Glenwood?

May through September are months without snowfall.

How many hours of daylight does Glenwood have in July?

The average day length in July in Glenwood is 14h and 50min.

What time are sunrise and sunset in July in Glenwood?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, in Glenwood, Illinois, sunrise is at 5:44 am and sunset at 8:08 pm CDT.

How many hours of sunshine does Glenwood have in July?

In Glenwood, the average sunshine duration in July is 9.9h.

When is the highest UV index in Glenwood?

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

What is the UV index reading in July in Glenwood?

The average daily maximum UV index in July in Glenwood is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Glenwood, IL

Average temperature in July - Glenwood, IL
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in July
Glenwood, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Glenwood, IL

Average wind speed in July - Glenwood, IL
  • Average wind speed in July: 6.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in July
Glenwood, IL

Average humidity in July - Glenwood, IL
  • Average humidity in July: 79%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July
Glenwood, IL

Average rainfall in July - Glenwood, IL
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in July
Glenwood, IL

Average rainfall days in July - Glenwood, IL
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in July
Glenwood, IL

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

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Glenwood, IL

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

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Glenwood, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in July
Glenwood, IL

Average sunshine days in July - Glenwood, IL
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in July
Glenwood, IL

Average UV index in July - Glenwood, 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
Glenwood, IL

Average cloud cover in July - Glenwood, IL
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
Glenwood, IL

Average visibility in July - Glenwood, IL
  • Average visibility in July: 6mi

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

Glenwood, Illinois, USA

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