Monthly weather forecast and climate
Carbondale, IL

January is the coldest month, with an average high-temperature of 41.7°F (5.4°C) and an average low-temperature of 23°F (-5°C). The month with the least rainfall is January when the rain falls for 9.5 days and typically collects 3.1" (77.7mm) of precipitation.
Weather in January »
In February, the average high-temperature is 46.9°F (8.3°C), and the average low-temperature is 26.2°F (-3.2°C). In Carbondale, in February, during 8.6 rainfall days, 3.1" (78.2mm) of precipitation is typically accumulated.
Weather in February »
The average high-temperature, is 57°F (13.9°C), while the average low-temperature is 34.5°F (1.4°C). In Carbondale, during 11.5 rainfall days, 4.1" (105.4mm) of precipitation is typically accumulated.
Weather in March »
In Carbondale, the average high-temperature is 68.4°F (20.2°C), and the average low-temperature is 44.2°F (6.8°C). In Carbondale, during 11.4 rainfall days, 4.4" (113mm) of precipitation is typically accumulated.
Weather in April »
The average high-temperature, is 77°F (25°C), while the average low-temperature is 54.7°F (12.6°C). The month with the most rainfall is May when the rain falls for 12.5 days and typically aggregates up to 5.4" (136.4mm) of precipitation.
Weather in May »
In Carbondale, in June, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 63.7°F (17.6°C). In Carbondale, it is raining for 9.4 days, with typically 4.5" (114.6mm) of accumulated precipitation.
Weather in June »
The warmest month is July, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 67.3°F (19.6°C). In July, the rain falls for 8.6 days.
Weather in July »
In Carbondale, in August, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 64.2°F (17.9°C). In August, the rain falls for 7.9 days.
Weather in August »
The average high-temperature, in September, is 81.7°F (27.6°C), while the average low-temperature is 55.2°F (12.9°C). In Carbondale, during 7.7 rainfall days, 3.1" (79.8mm) of precipitation is typically accumulated.
Weather in September »
In October, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 43.7°F (6.5°C). In October, in Carbondale, the rain falls for 8.3 days.
Weather in October »
The average high-temperature, in Carbondale, is 57.7°F (14.3°C), while the average low-temperature is 35.6°F (2°C). In Carbondale, Illinois, during 10.2 rainfall days, 4.6" (117.6mm) of precipitation is typically accumulated.
Weather in November »
The average high-temperature, is 45°F (7.2°C), while the average low-temperature is 25.9°F (-3.4°C). In Carbondale, during December, the rain falls for 10.8 days and regularly aggregates up to 4.1" (102.9mm) of precipitation.
Weather in December »

What is the coldest month in Carbondale?

The coldest month in Carbondale is January, with an average high-temperature of 41.7°F (5.4°C) and an average low-temperature of 23°F (-5°C).

How much does it rain in Carbondale?

Throughout the year, there are 116.4 rainfall days, and 47.2" (1198.2mm) of precipitation is accumulated.

What is the driest month in Carbondale?

January is the month with the least rainfall in Carbondale, Illinois. Rain falls for 9.5 days and accumulates 3.1" (77.7mm) of precipitation.

When does it snow in Carbondale?

January through March and December are months with snowfall.

How many days does it snow in Carbondale?

In Carbondale, Illinois, during the entire year, snow falls for 5.4 days, and aggregates up to 10.9" (276.8mm) of snow.

When does it snow the most in Carbondale?

February is the month with the most snowfall in Carbondale, Illinois. Snow falls for 1.7 days and accumulates 4.1" (104.1mm) of snow.

What is the wettest month in Carbondale?

The month with the most rainfall in Carbondale is May when the rain falls for 12.5 days and typically aggregates up to 5.4" (136.4mm) of precipitation.

When are the longest days in Carbondale?

With an average of 14.7h of daylight, June has the longest days of the year in Carbondale.

What is the warmest month in Carbondale?

With an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 67.3°F (19.6°C), July is the warmest month in Carbondale.

What is the month with the shortest days in Carbondale?

December has the shortest days of the year, with an average of 9.6h of daylight.
Average rainfall - Carbondale, IL

The wettest month (with the highest rainfall) is May (5.4").
Driest months (with the lowest rainfall) are January, February and September (3.1").

Average rainfall days - Carbondale, IL

The month with the highest number of rainy days is May (12.5 days).
The month with the lowest number of rainy days is September (7.7 days).

Average snowfall - Carbondale, IL

The month with the highest snowfall is February (4.1").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days - Carbondale, IL

Months with the highest number of snowfall days are January and February (1.7 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight - Carbondale, IL

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

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