April weather forecast
Lake in the Hills, IL

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Weather in April

April is a fresh spring month in Lake in the Hills, Illinois, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 38.8°F (3.8°C).

Temperature

Lake in the Hills in April shows a temperature shift, moving from an average high of a frosty 43.7°F (6.5°C) in March to a cool 55°F (12.8°C). Lake in the Hills, during the nights of April, experiences an average temperature drop to a wintry 38.8°F (3.8°C).

Humidity

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

Rainfall

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

Snowfall

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

Daylight

In Lake in the Hills, the average length of the day in April is 13h and 23min.
On the first day of April, 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.

Sunshine

The average sunshine in April is 7.5h.

UV index

In Lake in the Hills, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are April temperatures in Lake in the Hills?

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

What is the least humid month in Lake in the Hills?

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

What is the average humidity in April in Lake in the Hills?

In April, the average relative humidity in Lake in the Hills is 76%.

What is the rainiest month in Lake in the Hills?

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

How much does it rain in Lake in the Hills in April?

In Lake in the Hills, during April, the rain falls for 13.8 days and regularly aggregates up to 1.89" (48mm) of precipitation.

How many days does it snow in April in Lake in the Hills?

In April, in Lake in the Hills, Illinois, it is snowing for 2.3 days. Throughout April, 1.3" (33mm) of snow is accumulated.

What is the average length of the day in April in Lake in the Hills?

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

When is the sunrise / sunset in April in Lake in the Hills?

On the first day of April, 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 long on average sun shines in April in Lake in the Hills?

The average sunshine duration in April is 7.5h.

What is the UV index reading in April in Lake in the Hills?

The average daily maximum UV index in April in Lake in the Hills is 3. A UV Index reading of 3 to 5 represents 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
Lake in the Hills, IL

Average temperature in April - Lake in the Hills, 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
Lake in the Hills, IL

Average pressure in April - Lake in the Hills, 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
Lake in the Hills, IL

Average wind speed in April - Lake in the Hills, 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
Lake in the Hills, IL

Average humidity in April - Lake in the Hills, 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
Lake in the Hills, IL

Average rainfall in April - Lake in the Hills, 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
Lake in the Hills, IL

Average rainfall days in April - Lake in the Hills, 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
Lake in the Hills, IL

Average snowfall in April - Lake in the Hills, 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
Lake in the Hills, IL

Average snowfall days in April - Lake in the Hills, 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
Lake in the Hills, IL

Average daylight in April / Average sunshine in April - Lake in the Hills, 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
Lake in the Hills, IL

Average sunshine days in April - Lake in the Hills, 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
Lake in the Hills, IL

Average UV index in April - Lake in the Hills, 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
Lake in the Hills, IL

Average cloud cover in April - Lake in the Hills, 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
Lake in the Hills, IL

Average visibility in April - Lake in the Hills, 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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Lake in the Hills, Illinois, USA

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