April weather forecast
Carpentersville, IL

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Weather in April

April is a cool spring month in Carpentersville, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 55°F (12.8°C).

Temperature

The beginning of April marks a shift in the average high-temperature, moving from March's chilly 43.7°F (6.5°C) to a fresh 55°F (12.8°C). Carpentersville records an average low-temperature of 38.8°F (3.8°C) throughout the month of April.

Humidity

April and October, with an average relative humidity of 76%, are the least humid months in Carpentersville.

Rainfall

The wettest months are April and August, with an average 1.89" (48mm) of rainfall.

Snowfall

Months with snowfall are January through May, October through December. In Carpentersville, in April, during 2.3 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in Carpentersville, there are 43.2 snowfall days, and 7.4" (188mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:51 pm CDT.

Sunshine

In Carpentersville, Illinois, the average sunshine in April is 7.5h.

UV index

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the temperature in April in Carpentersville?

An average high-temperature, in April, in Carpentersville, is 55°F (12.8°C) and the average low-temperature is 38.8°F (3.8°C).

What are the least humid months in Carpentersville?

The months with the lowest humidity are April and October, with an average relative humidity of 76%.

What is the average humidity in April in Carpentersville?

The average relative humidity in April is 76%.

What is the wettest month in Carpentersville?

The months with the most rainfall in Carpentersville are April and August, with an average 1.89" (48mm) of precipitation.

How many days does it rain in April in Carpentersville?

In April, the rain falls for 13.8 days. Throughout April, 1.89" (48mm) of precipitation is accumulated.

How much does it snow in Carpentersville in April?

In Carpentersville, in April, during 2.3 snowfall days, 1.3" (33mm) of snow is typically accumulated.

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

In April, the average day length is 13h and 23min.

When are sunrise and sunset in April in Carpentersville?

On the first day of April in Carpentersville, sunrise is at 6:34 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Carpentersville have in April?

In Carpentersville, Illinois, the average sunshine duration in April is 7.5h.

What is the UV index reading in April in Carpentersville?

The average daily maximum UV index in April in Carpentersville is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Carpentersville, IL

Average temperature in April - Carpentersville, IL
  • Average high temperature in April: 55°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in April: 38.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in April
Carpentersville, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Carpentersville, IL

Average wind speed in April - Carpentersville, IL
  • Average wind speed in April: 9.8mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in April
Carpentersville, IL

Average humidity in April - Carpentersville, IL
  • Average humidity in April: 76%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in April
Carpentersville, IL

Average rainfall in April - Carpentersville, IL
  • Average rainfall in April: 1.89"

The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in April
Carpentersville, IL

Average rainfall days in April - Carpentersville, IL
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in April
Carpentersville, IL

Average snowfall in April - Carpentersville, IL
  • Average snowfall in April: 1.3"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Carpentersville, IL

Average snowfall days in April - Carpentersville, IL
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Carpentersville, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in April
Carpentersville, IL

Average sunshine days in April - Carpentersville, IL
  • Average sunshine days in April: 12.9 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in April
Carpentersville, IL

Average UV index in April - Carpentersville, IL
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Carpentersville, IL

Average cloud cover in April - Carpentersville, IL
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in April
Carpentersville, IL

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Carpentersville, Illinois, USA

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