April weather forecast
Carbondale, IL

Weather in April

April is an enjoyable spring month in Carbondale, Illinois, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 48.6°F (9.2°C).

Temperature

In April, the average high-temperature rises from a fresh 55.2°F (12.9°C) in March to a comfortable 66.2°F (19°C). In Carbondale, in April, the average low-temperature is 48.6°F (9.2°C).

Humidity

In Carbondale, the average relative humidity in April is 77%.

Rainfall

The month with the most rainfall in Carbondale is April, when the rain falls for 15.5 days and typically aggregates up to 4.49" (114mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Carbondale aggregates 0.08" (2mm) of snow. In Carbondale, during the entire year, snow falls for 15.9 days and aggregates up to 5.71" (145mm) of snow.

Daylight

In April, the average length of the day in Carbondale, Illinois, is 13h and 12min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:19 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:46 pm CDT.

Sunshine

In Carbondale, the average sunshine in April is 8.7h.

UV index

In Carbondale, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Carbondale?

In Carbondale, in April, the average high-temperature is 66.2°F (19°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in April in Carbondale?

In April, the average relative humidity in Carbondale is 77%.

What is the wettest month in Carbondale?

April is the month with the most rainfall in Carbondale. Rain falls for 15.5 days and accumulates 4.49" (114mm) of precipitation.

How many days does it rain in April in Carbondale?

In Carbondale, Illinois, in April, it is raining for 15.5 days, with typically 4.49" (114mm) of accumulated precipitation.

What is the last month it snows in Carbondale?

April is the last month it regularly snows. During 0.4 snowfall days, in April, Carbondale aggregates 0.08" (2mm) of snow.

What is the average length of the day in April in Carbondale?

In Carbondale, Illinois, the average day length in April is 13h and 12min.

When are sunrise and sunset in April in Carbondale?

In April, on the first day of the month, sunrise is at 6:41 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:46 pm CDT.

How many hours of sunshine does Carbondale have in April?

In Carbondale, Illinois, the average sunshine duration in April is 8.7h.

What is the UV index intensity in April in Carbondale?

The average daily maximum UV index in April in Carbondale, Illinois, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Carbondale, IL

Average temperature in April - Carbondale, IL
  • Average high temperature in April: 66.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in April: 48.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in April
Carbondale, IL

Average pressure in April - Carbondale, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Carbondale, IL

Average wind speed in April - Carbondale, IL
  • Average wind speed in April: 8.9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in April
Carbondale, IL

Average humidity in April - Carbondale, IL
  • Average humidity in April: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Carbondale, IL

Average rainfall in April - Carbondale, IL
  • Average rainfall in April: 4.49"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in April
Carbondale, IL

Average rainfall days in April - Carbondale, IL
  • Average rainfall days in April: 15.5 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in April
Carbondale, IL

Average snowfall in April - Carbondale, IL
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Carbondale, IL

Average snowfall days in April - Carbondale, IL
  • Average snowfall days in April: 0.4 days

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Carbondale, IL

Average daylight in April / Average sunshine in April - Carbondale, IL
  • Average daylight in April: 13h and 12min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in April: 8h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in April
Carbondale, IL

Average sunshine days in April - Carbondale, IL
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in April
Carbondale, IL

Average UV index in April - Carbondale, IL
  • Average UV index in April: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Carbondale, IL

Average cloud cover in April - Carbondale, IL
  • Average cloud cover in April: 41

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).

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Average visibility in April
Carbondale, IL

Average visibility in April - Carbondale, IL
  • Average visibility in April: 6mi

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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