April weather forecast
Lake Catherine, IL

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Weather in April

April is a cool spring month in Lake Catherine, Illinois, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 53.2°F (11.8°C).

Temperature

April sees a temperature increase, moving from an icy 42.4°F (5.8°C) in March to a fresh 53.2°F (11.8°C). Lake Catherine in April experiences a low-temperature average of 38.1°F (3.4°C).

Humidity

In Lake Catherine, the average relative humidity in April is 77%.

Rainfall

In April, the rain falls for 14.9 days. Throughout April, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lake Catherine are January through May, October through December. In Lake Catherine, during April, snow falls for 1.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 25min.
On the first day of April, 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 7:51 pm CDT.

Sunshine

In Lake Catherine, the average sunshine in April is 7.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What is the average April temperature?

During April, Lake Catherine experiences an average high-temperature of 53.2°F (11.8°C) and a low-temperature of 38.1°F (3.4°C).

What is the average humidity in April in Lake Catherine?

In April, the average relative humidity is 77%.

How many days does it rain in April?

In April, the rain falls for 14.9 days. Throughout April, 3.19" (81mm) of precipitation is accumulated.

How much does it snow in April?

In April, it is snowing for 1.8 days. Throughout April, 1.85" (47mm) of snow is accumulated.

How many hours of daylight does Lake Catherine have in April?

In Lake Catherine, the average day length in April is 13h and 25min.

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

In April, on the first day of the month, 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 7:51 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 7.3h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Lake Catherine, IL

Average temperature in April - Lake Catherine, IL
  • Average high temperature in April: 53.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 38.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in April
Lake Catherine, IL

Average pressure in April - Lake Catherine, IL
  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Lake Catherine, IL

Average wind speed in April - Lake Catherine, IL
  • Average wind speed in April: 10.1mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in April
Lake Catherine, IL

Average humidity in April - Lake Catherine, IL
  • Average humidity in April: 77%

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

Average rainfall in April
Lake Catherine, IL

Average rainfall in April - Lake Catherine, IL
  • Average rainfall in April: 3.19"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

Average rainfall days in April
Lake Catherine, IL

Average rainfall days in April - Lake Catherine, IL
  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in April
Lake Catherine, IL

Average snowfall in April - Lake Catherine, IL
  • Average snowfall in April: 1.85"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Lake Catherine, IL

Average snowfall days in April - Lake Catherine, IL
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Lake Catherine, 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 6min).

  • Average sunshine in April: 7h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

Average sunshine days in April
Lake Catherine, IL

Average sunshine days in April - Lake Catherine, IL
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in April
Lake Catherine, IL

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in April
Lake Catherine, IL

Average cloud cover in April - Lake Catherine, IL
  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

Average visibility in April
Lake Catherine, IL

Average visibility in April - Lake Catherine, 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).

Lake Catherine, Illinois, USA

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