Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival signals an increase in average high-temperatures, moving from March's cold 42.4°F (5.8°C) to a cool 53.2°F (11.8°C). April nights are marked by an average low-temperature of 38.1°F (3.4°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Lake Catherine, in April, it is raining for 14.9 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Lake Catherine, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lake Catherine, Illinois, 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, in Lake Catherine, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
In Lake Catherine, the average length of the day in April is 13h and 25min.On the first day of April in Lake Catherine, 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, Illinois, the average sunshine in April is 7.3h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Lake Catherine in April?
What is the average humidity in April in Lake Catherine?
How much does it rain in Lake Catherine in April?
How much does it snow in Lake Catherine in April?
What is the average length of the day in April in Lake Catherine?
When are sunrise and sunset in April in Lake Catherine?
How long on average sun shines in April in Lake Catherine?
How high is the UV index in April in Lake Catherine?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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