April weather forecast
Cottage Hills, IL

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Weather in April

April in Cottage Hills, Illinois, is an enjoyable spring month, with an average temperature varying between 64.4°F (18°C) and 46.9°F (8.3°C).

Temperature

Cottage Hills in April shows a temperature shift, moving from an average high of a cool 53.4°F (11.9°C) in March to an enjoyable 64.4°F (18°C). During April, the average low-temperature is a chilly 46.9°F (8.3°C).

Humidity

In April, the average relative humidity is 76%.

Rainfall

In Cottage Hills, Illinois, in April, it is raining for 13.4 days, with typically 2.4" (61mm) of accumulated precipitation. In Cottage Hills, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Cottage Hills aggregates 0.04" (1mm) of snow. Throughout the year, there are 18.6 snowfall days, and 4.53" (115mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 15min.
On the first day of April, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:52 pm CDT.

Sunshine

In Cottage Hills, the average sunshine in April is 8.5h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in April translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

In Cottage Hills, 64.4°F (18°C) is the average high-temperature and 46.9°F (8.3°C) is the average low-temperature during April.

What is the average humidity in April?

The average relative humidity in April is 76%.

How much does it rain in April?

In Cottage Hills, during April, the rain falls for 13.4 days and regularly aggregates up to 2.4" (61mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Cottage Hills aggregates 0.04" (1mm) of snow.

How many hours of daylight does Cottage Hills have in April?

In Cottage Hills, the average day length in April is 13h and 15min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:52 pm CDT.

How long on average sun shines in April?

The average sunshine duration in April is 8.5h.

How high is the UV index in April?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Cottage Hills, IL

Average temperature in April - Cottage Hills, IL
  • Average high temperature in April: 64.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in April: 46.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in April
Cottage Hills, IL

Average pressure in April - Cottage Hills, IL
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Cottage Hills, IL

Average wind speed in April - Cottage Hills, IL
  • Average wind speed in April: 9.3mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in April
Cottage Hills, IL

Average humidity in April - Cottage Hills, IL
  • Average humidity in April: 76%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
Cottage Hills, IL

Average rainfall in April - Cottage Hills, IL
  • Average rainfall in April: 2.4"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in April
Cottage Hills, IL

Average rainfall days in April - Cottage Hills, IL
  • Average rainfall days in April: 13.4 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in April
Cottage Hills, IL

Average snowfall in April - Cottage Hills, IL
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Cottage Hills, IL

Average snowfall days in April - Cottage Hills, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Cottage Hills, IL

Average daylight in April / Average sunshine in April - Cottage Hills, IL
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in April: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

Average sunshine days in April
Cottage Hills, IL

Average sunshine days in April - Cottage Hills, IL
  • Average sunshine days in April: 15.3 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in April
Cottage Hills, IL

Average UV index in April - Cottage Hills, IL
  • Average UV index in April: 4

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).

Average cloud cover in April
Cottage Hills, IL

Average cloud cover in April - Cottage Hills, IL
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in April
Cottage Hills, IL

Average visibility in April - Cottage Hills, 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).

Cottage Hills, Illinois, USA

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