Climate and monthly weather forecast
Creve Coeur, IL

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Weather in January

January, the same as December, in Creve Coeur, Illinois, is another subzero cold winter month, with an average temperature varying between 30.7°F (-0.7°C) and 18.9°F (-7.3°C). Creve Coeur's January weather, marked by an average high temperature of 30.7°F (-0.7°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest in the year. Weather in January »

Weather in February

February, the last month of the winter in Creve Coeur, is a wintry month, with an average temperature ranging between min 22.5°F (-5.3°C) and max 35.2°F (1.8°C). February's arrival brings an average high-temperature of an icy 35.2°F (1.8°C), demonstrating subtle variation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Creve Coeur, is a frosty month, with an average temperature ranging between max 49.1°F (9.5°C) and min 34°F (1.1°C). Creve Coeur's transition into March is marked by a temperature shift, moving from a cold 35.2°F (1.8°C) in February to a chilly 49.1°F (9.5°C). Weather in March »

Weather in April

April is an enjoyable spring month in Creve Coeur, Illinois, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 60.8°F (16°C). As March transitions into April, Creve Coeur sees a rise in the average high-temperature, moving from a frosty 49.1°F (9.5°C) to a refreshing 60.8°F (16°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Creve Coeur, Illinois, with an average temperature varying between 71.6°F (22°C) and 55°F (12.8°C). May's arrival coincides with a rise in the average high-temperature, moving from April's comfortable 60.8°F (16°C) to a pleasant 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Creve Coeur, Illinois, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). June showcases a minor temperature ascent, adjusting from May's agreeable 71.6°F (22°C) to a moderately hot 79.9°F (26.6°C). Weather in June »

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). 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). July's mean heat index is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Creve Coeur, is another warm month, with an average temperature varying between 81.1°F (27.3°C) and 63.3°F (17.4°C). During August, the average high-temperature is a still moderately hot 81.1°F (27.3°C), maintaining a close resemblance to that of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Creve Coeur, is still a warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 76.1°F (24.5°C). September's presence marks an average high-temperature of a still moderately hot 76.1°F (24.5°C), subtly varied from August's 81.1°F (27.3°C). Weather in September »

Weather in October

October, like September, in Creve Coeur, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 46.4°F (8°C) and 62.1°F (16.7°C). Creve Coeur's weather in October involves a decrease in the average high-temperature, moving down from September's moderately hot 76.1°F (24.5°C) to an enjoyable 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Creve Coeur, Illinois, with an average temperature varying between 48.4°F (9.1°C) and 34.7°F (1.5°C). The onset of November is marked by a decrease in temperature, transitioning from an enjoyable 62.1°F (16.7°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Creve Coeur, Illinois, with an average temperature ranging between min 26.1°F (-3.3°C) and max 36.5°F (2.5°C). The onset of December is marked by a decrease in temperature, transitioning from a chilly 48.4°F (9.1°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January stands out as Creve Coeur's coldest month, with an average high-temperature of 30.7°F (-0.7°C) and a low-temperature of 18.9°F (-7.3°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.75" (19mm) of precipitation.

How much does it rain?

Throughout the year, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Creve Coeur are January through April, October through December.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 9 days and accumulates 2.36" (60mm) of snow.

How many days does it snow?

In Creve Coeur, during the entire year, snow falls for 26.7 days and aggregates up to 7.09" (180mm) of snow.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Creve Coeur?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.64" (67mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days in Creve Coeur?

June has the longest days of the year in Creve Coeur, with an average of 15h and 0min of daylight.

What month has the most sunshine?

With an average of 10.3h of sunshine, June has the most sunshine of the year.

What are the months with the highest UV index in Creve Coeur?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

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 is the most humid month?

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

What is the least humid month?

October is the least humid month, with an average relative humidity of 71%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Creve Coeur, IL

Average temperature - Creve Coeur, IL

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).

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
Creve Coeur, IL

Average pressure - Creve Coeur, IL

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
Creve Coeur, IL

Average wind speed - Creve Coeur, IL

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
Creve Coeur, IL

Average humidity - Creve Coeur, IL

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

Average rainfall
Creve Coeur, IL

Average rainfall - Creve Coeur, IL

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
Creve Coeur, IL

Average rainfall days - Creve Coeur, IL

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
Creve Coeur, IL

Average snowfall - Creve Coeur, IL

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
Creve Coeur, IL

Average snowfall days - Creve Coeur, IL

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 / Average sunshine
Creve Coeur, IL

Average daylight / Average sunshine - Creve Coeur, IL

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).

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
Creve Coeur, IL

Average sunshine days - Creve Coeur, IL

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
Creve Coeur, IL

Average UV index - Creve Coeur, IL

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 visibility
Creve Coeur, IL

Average visibility - Creve Coeur, IL

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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