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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, is another cold winter month in Carrollton, Illinois, with an average temperature fluctuating between 35.2°F (1.8°C) and 22.3°F (-5.4°C). January, with average temperatures reaching a high of 35.2°F (1.8°C) and a low of 22.3°F (-5.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Carrollton, Illinois, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 39.6°F (4.2°C). Carrollton greets February with an average high-temperature of a still wintry 39.6°F (4.2°C), marking a slight deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Carrollton, is a fresh month, with an average temperature fluctuating between 36.5°F (2.5°C) and 52.3°F (11.3°C). March's arrival signals an increase in average high-temperatures, moving from February's cold 39.6°F (4.2°C) to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April in Carrollton, Illinois, is an enjoyable spring month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 46.2°F (7.9°C). The shift into April brings an increase in the average high-temperature, moving from a cool 52.3°F (11.3°C) in March to an enjoyable 63.9°F (17.7°C). Weather in April »
Weather in May
May, the last month of the spring in Carrollton, is a moderately hot month, with an average temperature ranging between min 56.1°F (13.4°C) and max 73.6°F (23.1°C). Noticing a change, the average high-temperature during May moves from April's comfortable 63.9°F (17.7°C) to a moderately hot 73.6°F (23.1°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Carrollton, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 82.2°F (27.9°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from 73.6°F (23.1°C) in May to a still moderately hot 82.2°F (27.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Carrollton, Illinois, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 67.3°F (19.6°C). July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 67.3°F (19.6°C). In July, the heat index is evaluated at a very hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Carrollton, is also a moderately hot month, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.5°F (28.6°C). The introduction of August notes a subtle temperature variation to a still moderately hot 83.5°F (28.6°C) from July's 84.4°F (29.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Carrollton, is also a moderately hot month, with an average temperature varying between 78.3°F (25.7°C) and 59.2°F (15.1°C). Carrollton experiences a recorded average high-temperature of a still moderately hot 78.3°F (25.7°C) in September, closely aligned with August's 83.5°F (28.6°C). Weather in September »
Weather in October
October, like September, in Carrollton, Illinois, is another enjoyable autumn month, with an average temperature varying between 47.8°F (8.8°C) and 64.8°F (18.2°C). October indicates a shift in the average high-temperature, from September's warm 78.3°F (25.7°C) to an enjoyable 64.8°F (18.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Carrollton, is also a fresh month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 51.6°F (10.9°C). In Carrollton, the average high-temperature in November drops from a comfortable 64.8°F (18.2°C) in October to a cool 51.6°F (10.9°C). Weather in November »
Weather in December
December, the first month of the winter in Carrollton, is still a cold month, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 40.5°F (4.7°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's cool 51.6°F (10.9°C) to a wintry 40.5°F (4.7°C). Weather in December »
Updated: Aug 5, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
Carrollton experiences its lowest temperatures in January, with an average peak of 35.2°F (1.8°C) and a low of 22.3°F (-5.4°C).
How many days does it rain?
In Carrollton, Illinois, during the entire year, the rain falls for 120.6 days and collects up to 14.17" (360mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 19.1 snowfall days, and 3.82" (97mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
What is the month with 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 does it snow the most?
February is the month with the most snowfall. Snow falls for 5.8 days and accumulates 1.34" (34mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Carrollton, 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.
When it does not snow?
April through October are months without snowfall.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 12.7 days and accumulates 1.93" (49mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What are the months with the most sunshine?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine in Carrollton.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
July is the warmest month in Carrollton, exhibiting average temperatures of 84.4°F (29.1°C) at the peak and 67.3°F (19.6°C) at the base.
What is the most humid month?
With an average relative humidity of 81%, July is the most humid month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 7.4 days and typically collects 0.67" (17mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Carrollton, IL
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Carrollton, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Carrollton, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.6mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.3mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Carrollton, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Carrollton, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.75" - Average rainfall in March:
1.06" - Average rainfall in April:
1.5" - Average rainfall in May:
1.69" - Average rainfall in June:
1.93"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days
Carrollton, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
12.7 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Carrollton, IL
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Carrollton, IL
- Average snowfall days in January:
6 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Carrollton, IL
- Average daylight in January:
9h and 5min - 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Carrollton, IL
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
Carrollton, 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
Carrollton, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility
Carrollton, 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).
Carrollton, Illinois, USA
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