Climate and monthly weather forecast
Carthage, IL

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Weather in January

January, the same as December, in Carthage, Illinois, is a freezing cold winter month, with an average temperature varying between 31.3°F (-0.4°C) and 19.2°F (-7.1°C). In Carthage, the lowest average temperatures are observed in January, with a high of 31.3°F (-0.4°C) and a low of 19.2°F (-7.1°C). Weather in January »

Weather in February

February, the last month of the winter in Carthage, is a cold month, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 22.8°F (-5.1°C). February observes an average high-temperature of a cold 36.3°F (2.4°C), marking an insignificant difference from January's 31.3°F (-0.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Carthage, Illinois, with an average temperature varying between 49.6°F (9.8°C) and 34.3°F (1.3°C). The shift into March is marked by a rise in the average high-temperature, moving from February's cold 36.3°F (2.4°C) to a chilly 49.6°F (9.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Carthage, Illinois, with an average temperature varying between 44.2°F (6.8°C) and 61.5°F (16.4°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's chilly 49.6°F (9.8°C) to a refreshing 61.5°F (16.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Carthage, Illinois, with an average temperature ranging between max 71.4°F (21.9°C) and min 54.7°F (12.6°C). May's arrival signals an increase in average high-temperatures, moving from April's comfortable 61.5°F (16.4°C) to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

June, the first month of the summer in Carthage, is a moderately hot month, with an average temperature fluctuating between 80.6°F (27°C) and 63.7°F (17.6°C). June comes with an increase, with the average high-temperature moving from an agreeable 71.4°F (21.9°C) in May to a warm 80.6°F (27°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Carthage, Illinois, with an average temperature fluctuating between 82.9°F (28.3°C) and 66.2°F (19°C). Carthage's July weather, marked by an average high temperature of 82.9°F (28.3°C) and an average low temperature of 66.2°F (19°C), is the warmest in the year. Throughout July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Carthage, is another warm month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 82.2°F (27.9°C). Carthage's average high-temperature marks a still warm 82.2°F (27.9°C) with the advent of August, closely mirroring that of the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Carthage, Illinois, with an average temperature ranging between max 77.2°F (25.1°C) and min 57.7°F (14.3°C). Carthage's average high-temperature in September sits at a still moderately hot 77.2°F (25.1°C), showing little difference from the previous month. Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Carthage, Illinois, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 63.3°F (17.4°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 77.2°F (25.1°C) in September to an enjoyable 63.3°F (17.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Carthage, is also a frosty month, with an average temperature ranging between min 34.9°F (1.6°C) and max 49.1°F (9.5°C). In Carthage, the average high-temperature in November decreases from an enjoyable 63.3°F (17.4°C) in October to a frosty 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Carthage, Illinois, with an average temperature ranging between max 37.2°F (2.9°C) and min 25.7°F (-3.5°C). Carthage observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 49.1°F (9.5°C) to an icy 37.2°F (2.9°C). Weather in December »
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Frequently asked questions

What are the coldest months in Carthage?

January, marked by an average high-temperature of 31.3°F (-0.4°C) and a low-temperature of 19.2°F (-7.1°C), is the coldest month in Carthage, Illinois.

What is the driest month in Carthage?

The month with the least rainfall is January, when the rain falls for 4.8 days and typically collects 0.79" (20mm) of precipitation.

How many days does it rain in Carthage?

Throughout the year, in Carthage, there are 128.2 rainfall days, and 20.08" (510mm) of precipitation is accumulated.

When does it snow in Carthage?

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

What is the snowiest month in Carthage?

January is the month with the most snowfall. Snow falls for 8.2 days and accumulates 2.48" (63mm) of snow.

How many days does it snow in Carthage?

In Carthage, during the entire year, snow falls for 25.4 days and aggregates up to 7.09" (180mm) of snow.

What is the month with the least sunshine in Carthage?

With an average of 4.2h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Carthage?

With an average maximum UV index of 1, January is the month with the lowest UV index in Carthage.

When is Daylight Saving Time (DST) in Carthage?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Carthage, Illinois, 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 Carthage?

May is the month with the most rainfall in Carthage. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.

When it does not snow in Carthage?

In Carthage, snow does not fall in May through September.

When are the longest days in Carthage?

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

What is the month with the most sunshine in Carthage?

The months with the most sunshine in Carthage are June and July, with an average of 10.2h of sunshine.

What are the months with the highest UV index in Carthage?

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

What is the hottest time of year in Carthage?

Carthage's warmest month, July, registers temperatures that range from a high of 82.9°F (28.3°C) to a low of 66.2°F (19°C).

What is the most humid month in Carthage?

The most humid month is July, with an average relative humidity of 82%.

What is the least humid month in Carthage?

October is the least humid month in Carthage, Illinois, with an average relative humidity of 70%.

What is the month with the shortest days in Carthage?

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

Average temperature
Carthage, IL

Average temperature - Carthage, IL

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.3°F).

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure
Carthage, IL

Average pressure - Carthage, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Carthage, IL

Average wind speed - Carthage, IL

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average rainfall
Carthage, IL

Average rainfall - Carthage, IL

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days
Carthage, IL

Average rainfall days - Carthage, 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).

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Average snowfall
Carthage, IL

Average snowfall - Carthage, IL

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Carthage, IL

Average snowfall days - Carthage, IL

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Carthage, IL

Average daylight / Average sunshine - Carthage, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Carthage, IL

Average sunshine days - Carthage, IL

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.6 days).

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Average visibility
Carthage, IL

Average visibility - Carthage, 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).

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Carthage, Illinois, USA

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