Climate and monthly weather forecast
Carman, IL

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Weather in January

January, like December, is another subzero cold winter month in Carman, Illinois, with an average temperature varying between 30°F (-1.1°C) and 18°F (-7.8°C). With average high and low temperatures of 30°F (-1.1°C) and 18°F (-7.8°C) respectively, January is Carman's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Carman, is a cold month, with an average temperature varying between 35.1°F (1.7°C) and 21.7°F (-5.7°C). The commencement of February notes an average high-temperature of a cold 35.1°F (1.7°C), exhibiting little difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Carman, Illinois, with an average temperature fluctuating between 34°F (1.1°C) and 48.7°F (9.3°C). As Carman enters March, the average high-temperature increases from the an icy 35.1°F (1.7°C) of February to a frosty 48.7°F (9.3°C). Weather in March »

Weather in April

April is a comfortable spring month in Carman, Illinois, with an average temperature fluctuating between 60.8°F (16°C) and 44.2°F (6.8°C). Carman in April sees a temperature change, with average high-temperatures moving from a chilly 48.7°F (9.3°C) in March to a comfortable 60.8°F (16°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Carman, Illinois, with an average temperature varying between 54.5°F (12.5°C) and 71.1°F (21.7°C). As April transitions into May, a change in temperatures is observed, with average highs moving from an enjoyable 60.8°F (16°C) to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer in Carman, is a warm month, with an average temperature fluctuating between 80.1°F (26.7°C) and 63.7°F (17.6°C). Carman's weather in June shows a rise in the average high-temperature, moving up from May's agreeable 71.1°F (21.7°C) to a moderately hot 80.1°F (26.7°C). Weather in June »

Weather in July

July, like June, in Carman, Illinois, is another warm summer month, with an average temperature varying between 65.7°F (18.7°C) and 82.4°F (28°C). July, with its average high-temperature of 82.4°F (28°C) and an average low-temperature of 65.7°F (18.7°C), holds the record as the warmest month. The heat index value during July is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Carman, is another warm month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 82°F (27.8°C). The commencement of August introduces an average high-temperature of a still warm 82°F (27.8°C), closely mirroring the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Carman, 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 76.6°F (24.8°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 82°F (27.8°C) in August to a still warm 76.6°F (24.8°C). Weather in September »

Weather in October

October, like September, in Carman, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 46°F (7.8°C) and 62.4°F (16.9°C). Carman's October weather comes with a decrease in average high-temperatures, moving from a warm 76.6°F (24.8°C) in September to a comfortable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Carman, Illinois, with an average temperature ranging between max 48.6°F (9.2°C) and min 34.3°F (1.3°C). Onset of November comes with a temperature decline, the average high falling from a refreshing 62.4°F (16.9°C) in October to a chilly 48.6°F (9.2°C). Weather in November »

Weather in December

December, the first month of the winter in Carman, is also a wintry month, with an average temperature ranging between min 25°F (-3.9°C) and max 36.3°F (2.4°C). Carman in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 48.6°F (9.2°C) to a wintry 36.3°F (2.4°C). Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is Carman's coldest month, registering average high temperatures of 30°F (-1.1°C) and lows of 18°F (-7.8°C).

How many days does it rain?

Throughout the year, there are 137.6 rainfall days, and 26.65" (677mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 4.25" (108mm) of snow.

How much does it snow?

Throughout the year, there are 29.5 snowfall days, and 11.77" (299mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.2h of sunshine.

What is the month with the lowest UV index?

The month with the lowest UV index is January, with an average maximum UV index of 1.

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?

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.94" (100mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What are the months with the most sunshine?

June and July, with an average of 10.3h of sunshine, are months with the most sunshine.

What are the months with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What are the warmest months in Carman?

In Carman, July is the month with the highest recorded average temperatures, measuring a high of 82.4°F (28°C) and a low of 65.7°F (18.7°C).

What is the most humid month?

With an average relative humidity of 83%, July is the most humid month.

What is the least humid month?

The least humid month is October, with an average relative humidity of 70%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 7.2 days and accumulates 1.3" (33mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year in Carman, with an average of 9h and 18min of daylight.

Average pressure
Carman, IL

Average pressure - Carman, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Carman, IL

Average wind speed - Carman, IL

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average rainfall
Carman, IL

Average rainfall - Carman, IL

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").

Average rainfall days
Carman, IL

Average rainfall days - Carman, IL

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).

Average snowfall
Carman, IL

Average snowfall - Carman, IL

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Carman, IL

Average snowfall days - Carman, IL

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Carman, IL

Average daylight / Average sunshine - Carman, 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 months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days
Carman, IL

Average sunshine days - Carman, IL

The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).

Average visibility
Carman, IL

Average visibility - Carman, 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).

Carman, Illinois, USA

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