Climate and monthly weather forecastCreve Coeur, IL
Climate and monthly weather forecast
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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"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
Creve Coeur, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
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
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 in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.34" - Average rainfall in April:
2.01" - Average rainfall in May:
2.64" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.3" - Average rainfall in September:
1.42" - Average rainfall in October:
1.46" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
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 in January:
5.2 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.2 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
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 in January:
9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.9 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 / Average sunshine
Creve Coeur, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 January:
4h and 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 24min
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 in January:
18.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
19.5 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
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 cloud cover
Creve Coeur, IL
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
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).





