April weather forecast
Rosemont, IL

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Weather in April

April is a cool spring month in Rosemont, Illinois, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 40.5°F (4.7°C).

Temperature

With the arrival of April, the average high-temperature transitions from a frosty 43.7°F (6.5°C) in March to a fresh 54.1°F (12.3°C). April in Rosemont generally records an average low-temperature of 40.5°F (4.7°C).

Humidity

In Rosemont, the average relative humidity in April is 75%.

Rainfall

In Rosemont, during April, the rain falls for 15.2 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 24.13" (613mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Rosemont, during April, snow falls for 2.3 days and regularly aggregates up to 2.01" (51mm) of snow. In Rosemont, during the entire year, snow falls for 44.8 days and aggregates up to 12.83" (326mm) of snow.

Daylight

In April, the average length of the day in Rosemont is 13h and 23min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of April, in Rosemont, sunrise is at 5:47 am and sunset at 7:49 pm CDT.

Sunshine

In Rosemont, the average sunshine in April is 7.5h.

UV index

In April, the average daily maximum UV index in Rosemont, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In April, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Rosemont in April?

The average high-temperature and low-temperature in Rosemont, Illinois, during April are 54.1°F (12.3°C) and 40.5°F (4.7°C) respectively.

What is the average humidity in April in Rosemont?

In Rosemont, Illinois, the average relative humidity in April is 75%.

How much does it rain in Rosemont in April?

In Rosemont, in April, it is raining for 15.2 days, with typically 2.6" (66mm) of accumulated precipitation.

How much does it snow in Rosemont in April?

In Rosemont, in April, during 2.3 snowfall days, 2.01" (51mm) of snow is typically accumulated.

How many hours of daylight does Rosemont have in April?

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

What time are sunrise and sunset in April in Rosemont?

In April, on the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:49 pm CDT.

How long on average sun shines in April in Rosemont?

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

What is the UV index intensity in April in Rosemont?

In April, the average daily maximum UV index in Rosemont, Illinois, is 3. A UV Index reading of 3 to 5 represents a medium health risk from 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
Rosemont, IL

Average temperature in April - Rosemont, IL
  • Average high temperature in April: 54.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in April
Rosemont, IL

Average pressure in April - Rosemont, 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).

Average wind speed in April
Rosemont, IL

Average wind speed in April - Rosemont, IL
  • Average wind speed in April: 10mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in April
Rosemont, IL

Average humidity in April - Rosemont, IL
  • Average humidity in April: 75%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Rosemont, IL

Average rainfall in April - Rosemont, IL
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in April
Rosemont, IL

Average rainfall days in April - Rosemont, IL
  • Average rainfall days in April: 15.2 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in April
Rosemont, IL

Average snowfall in April - Rosemont, IL
  • Average snowfall in April: 2.01"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Rosemont, IL

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Rosemont, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in April
Rosemont, IL

Average sunshine days in April - Rosemont, IL
  • Average sunshine days in April: 11.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in April
Rosemont, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in April
Rosemont, IL

Average cloud cover in April - Rosemont, 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 and August (Cloud cover 30).

Average visibility in April
Rosemont, IL

Average visibility in April - Rosemont, 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).

Rosemont, Illinois, USA

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