July weather forecast
Creve Coeur, IL

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Weather in July

July, the same as June, is another warm summer month in Creve Coeur, Illinois, with an average temperature ranging between max 82°F (27.8°C) and min 65.3°F (18.5°C).

Temperature

In Creve Coeur, July is the month with the highest recorded average temperatures, measuring a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

Heat index

July's mean heat index is estimated at a hot 89.6°F (32°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. 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. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

July is the most humid month, with an average relative humidity of 84%.

Rainfall

In Creve Coeur, in July, it is raining for 14.9 days, with typically 1.65" (42mm) of accumulated precipitation. In Creve Coeur, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

In Creve Coeur, the average sunshine in July is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July is the month when Creve Coeur sees the average highest temperatures, with a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

What are the temperatures in July?

The average high-temperature and low-temperature during July are 82°F (27.8°C) and 65.3°F (18.5°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 89.6°F (32°C).

What is the most humid month?

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

What is the average humidity in July in Creve Coeur?

In Creve Coeur, the average relative humidity in July is 84%.

How much does it rain in July?

In Creve Coeur, in July, during 14.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Creve Coeur have in July?

The average day length in July is 14h and 44min.

What time are sunrise and sunset in July?

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.

How long on average sun shines in July?

In July, the average sunshine duration is 10.1h.

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 reading of 6 to 7 represents 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
Creve Coeur, IL

Average temperature in July - Creve Coeur, 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
Creve Coeur, IL

Average pressure in July - Creve Coeur, 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
Creve Coeur, IL

Average wind speed in July - Creve Coeur, 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
Creve Coeur, IL

Average humidity in July - Creve Coeur, 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
Creve Coeur, IL

Average rainfall in July - Creve Coeur, 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
Creve Coeur, IL

Average rainfall days in July - Creve Coeur, 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
Creve Coeur, IL

Average snowfall in July - Creve Coeur, 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
Creve Coeur, IL

Average snowfall days in July - Creve Coeur, 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
Creve Coeur, IL

Average daylight in July / Average sunshine in July - Creve Coeur, 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
Creve Coeur, IL

Average sunshine days in July - Creve Coeur, 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
Creve Coeur, IL

Average UV index in July - Creve Coeur, 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
Creve Coeur, IL

Average cloud cover in July - Creve Coeur, 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
Creve Coeur, IL

Average visibility in July - Creve Coeur, 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).

Creve Coeur, Illinois, USA

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