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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Carol Stream, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 27.9°F (-2.3°C) and an average low of 16.7°F (-8.5°C). In Carol Stream, the lowest average temperatures are observed in January, with a high of 27.9°F (-2.3°C) and a low of 16.7°F (-8.5°C). Weather in January »
Weather in February
February, the last month of the winter in Carol Stream, is another freezing cold month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 19.6°F (-6.9°C). Carol Stream's weather in February indicates an average high-temperature of a still freezing cold 31.8°F (-0.1°C), nearly consistent with the 27.9°F (-2.3°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Carol Stream, is a frosty month, with an average temperature varying between 30.7°F (-0.7°C) and 44.8°F (7.1°C). Carol Stream's transition into March brings a rise in the average high-temperature, moving from a freezing cold 31.8°F (-0.1°C) in February to a frosty 44.8°F (7.1°C). Weather in March »
Weather in April
April is a moderate spring month in Carol Stream, Illinois, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 56.1°F (13.4°C). Carol Stream in April shows a temperature shift, moving from an average high of a chilly 44.8°F (7.1°C) in March to a mild 56.1°F (13.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Carol Stream, Illinois, with an average temperature fluctuating between 68.5°F (20.3°C) and 51.6°F (10.9°C). The transition to May introduces an increase in the average high-temperature, shifting from a mild 56.1°F (13.4°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Carol Stream, is a warm month, with an average temperature varying between 60.4°F (15.8°C) and 78.1°F (25.6°C). June's arrival coincides with a rise in the average high-temperature, moving from May's pleasant 68.5°F (20.3°C) to a warm 78.1°F (25.6°C). Weather in June »
Weather in July
July, like June, in Carol Stream, Illinois, is another warm summer month, with an average temperature fluctuating between 81.5°F (27.5°C) and 64.9°F (18.3°C). Temperature readings reach their annual highs in July, averaging 81.5°F (27.5°C) and a minimum average of 64.9°F (18.3°C). For most parts of July, the heat index is computed to be a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Carol Stream, Illinois, with an average temperature fluctuating between 80.2°F (26.8°C) and 63.7°F (17.6°C). Carol Stream, Illinois, notes an average high-temperature of a still moderately hot 80.2°F (26.8°C) in August, hardly diverging from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Carol Stream, Illinois, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 57.2°F (14°C). September brings a minor shift in the average high-temperature, adjusting from 80.2°F (26.8°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »
Weather in October
October, the same as September, in Carol Stream, Illinois, is another mild autumn month, with an average temperature varying between 60.4°F (15.8°C) and 45.3°F (7.4°C). Carol Stream's progression into October includes a drop in the average high-temperature, from a warm 73.6°F (23.1°C) in September to a mild 60.4°F (15.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Carol Stream, Illinois, with an average temperature fluctuating between 45.5°F (7.5°C) and 33.1°F (0.6°C). A clear reduction in the average high-temperature marks the arrival of November, falling from a mild 60.4°F (15.8°C) in October to a chilly 45.5°F (7.5°C). Weather in November »
Weather in December
December, the first month of the winter in Carol Stream, is still a cold month, with an average temperature varying between 34.3°F (1.3°C) and 24.1°F (-4.4°C). Carol Stream's progression into December includes a drop in the average high-temperature, from a frosty 45.5°F (7.5°C) in November to a wintry 34.3°F (1.3°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Carol Stream?
January is the month when Carol Stream, Illinois, experiences its coldest temperatures, averaging a high of 27.9°F (-2.3°C) and a low of 16.7°F (-8.5°C).
What are the most humid months in Carol Stream?
January and February, with an average relative humidity of 83%, are most humid months in Carol Stream, Illinois.
How many days does it rain in Carol Stream?
In Carol Stream, during the entire year, the rain falls for 119.1 days and collects up to 10.83" (275mm) of precipitation.
When does it snow in Carol Stream?
Months with snowfall are January through April, October through December.
When does it snow the most in Carol Stream?
The month with the most snowfall in Carol Stream is January, when snow falls for 9.3 days and typically aggregates up to 1.5" (38mm) of snow.
How much does it snow in Carol Stream?
In Carol Stream, Illinois, during the entire year, snow falls for 34.4 days and aggregates up to 5.2" (132mm) of snow.
What is the month with the least sunshine in Carol Stream?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Carol Stream?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month in Carol Stream?
February, November and December are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 0.51" (13mm) of rain.
When is Daylight Saving Time (DST) in Carol Stream?
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 Carol Stream?
The month with the most rainfall is May, when the rain falls for 14.7 days and typically aggregates up to 1.65" (42mm) of precipitation.
When it does not snow in Carol Stream?
May through September are months without snowfall in Carol Stream.
When are the longest days in Carol Stream?
June has the longest days of the year in Carol Stream, Illinois, with an average of 15h and 12min of daylight.
What is the month with the highest UV index in Carol Stream?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Carol Stream?
July temperatures in Carol Stream, Illinois, tend to peak at an average high of 81.5°F (27.5°C) and dip to a low of 64.9°F (18.3°C).
What is the month with the most sunshine in Carol Stream?
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.
What is the least humid month in Carol Stream?
October is the least humid month in Carol Stream, with an average relative humidity of 74%.
What is the month with the shortest days in Carol Stream?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Carol Stream, IL
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Carol Stream, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"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
Carol Stream, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.1mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Carol Stream, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Carol Stream, IL
- Average rainfall in January:
0.55" - Average rainfall in February:
0.51" - Average rainfall in March:
0.59" - Average rainfall in April:
1.1" - Average rainfall in May:
1.65" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.26" - Average rainfall in August:
0.94" - Average rainfall in September:
0.83" - Average rainfall in October:
0.91" - Average rainfall in November:
0.51" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days
Carol Stream, IL
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
10 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Carol Stream, IL
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Carol Stream, IL
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.2 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Carol Stream, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Carol Stream, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Carol Stream, 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 and December (UV index 1).
Average cloud cover
Carol Stream, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility
Carol Stream, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Carol Stream, Illinois, USA
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