April weather forecast
Forest Lake, IL

englishespañol中文
Share

Weather in April

April is a fresh spring month in Forest Lake, Illinois, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 39.2°F (4°C).

Temperature

In April, the average high-temperature increases from a chilly 43.5°F (6.4°C) in March to a fresh 54.3°F (12.4°C). In Forest Lake, in April, the average low-temperature is a cold 39.2°F (4°C).

Humidity

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

Rainfall

In Forest Lake, during April, the rain falls for 17.2 days and regularly aggregates up to 3.86" (98mm) of precipitation. In Forest Lake, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Forest Lake, in April, during 2.3 snowfall days, 2.56" (65mm) of snow is typically accumulated. Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.

Daylight

In Forest Lake, the average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:50 pm CDT.

Sunshine

In Forest Lake, the average sunshine in April is 7.5h.

UV index

In Forest Lake, Illinois, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during April translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

What is the usual temperature for Forest Lake in April?

In Forest Lake, in April, the average high-temperature is 54.3°F (12.4°C), and the average low-temperature is 39.2°F (4°C).

What is the average humidity in April in Forest Lake?

The average relative humidity in April is 76%.

How many days does it rain in April in Forest Lake?

In Forest Lake, in April, it is raining for 17.2 days, with typically 3.86" (98mm) of accumulated precipitation.

How many days does it snow in April in Forest Lake?

In Forest Lake, during April, snow falls for 2.3 days and regularly aggregates up to 2.56" (65mm) of snow.

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

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

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

On the first day of April in Forest Lake, Illinois, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:50 pm CDT.

How many hours of sunshine does Forest Lake have in April?

The average sunshine duration in April is 7.5h.

How high is the UV index in April in Forest Lake?

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Forest Lake, IL

Average temperature in April - Forest Lake, IL
  • Average high temperature in April: 54.3°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in April: 39.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

[Resources]

Average pressure in April
Forest Lake, IL

Average pressure in April - Forest Lake, 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).

[Resources]

Average wind speed in April
Forest Lake, IL

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

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

[Resources]

Average humidity in April
Forest Lake, IL

Average humidity in April - Forest Lake, IL
  • Average humidity in April: 76%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

[Resources]

Average rainfall in April
Forest Lake, IL

Average rainfall in April - Forest Lake, IL
  • Average rainfall in April: 3.86"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

[Resources]

Average rainfall days in April
Forest Lake, IL

Average rainfall days in April - Forest Lake, IL
  • Average rainfall days in April: 17.2 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

[Resources]

Average snowfall in April
Forest Lake, IL

Average snowfall in April - Forest Lake, IL
  • Average snowfall in April: 2.56"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in April
Forest Lake, IL

Average snowfall days in April - Forest Lake, IL
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in April /
Average sunshine in April
Forest Lake, IL

Average daylight in April / Average sunshine in April - Forest Lake, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

[Resources]

Average sunshine days in April
Forest Lake, IL

Average sunshine days in April - Forest Lake, IL
  • Average sunshine days in April: 9 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

[Resources]

Average UV index in April
Forest Lake, IL

Average UV index in April - Forest Lake, IL
  • Average UV index in April: 3

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

[Resources]

Average cloud cover in April
Forest Lake, IL

Average cloud cover in April - Forest Lake, IL
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

[Resources]

Average visibility in April
Forest Lake, IL

Average visibility in April - Forest Lake, IL
  • Average visibility in April: 6mi

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

[Resources]

Forest Lake, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location