April weather forecastLake Zurich, IL
April
Weather in April
April in Lake Zurich, Illinois, is a cool spring month, 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
As Lake Zurich enters April, the average high-temperature increases from the a chilly 43.5°F (6.4°C) of March to a fresh 54.3°F (12.4°C). Lake Zurich experiences a mean low-temperature of 39.2°F (4°C) during April.Humidity
The average relative humidity in April is 76%.Rainfall
In Lake Zurich, during April, the rain falls for 17.2 days and regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, in Lake Zurich, Illinois, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lake Zurich, in April, during 2.3 snowfall days, 2.56" (65mm) of snow is typically accumulated. In Lake Zurich, Illinois, during the entire year, snow falls for 55.5 days and aggregates up to 22.95" (583mm) of snow.Daylight
In Lake Zurich, 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, in Lake Zurich, sunrise is at 5:48 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lake Zurich, 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).
Average pressure in April
Lake Zurich, 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).
Average wind speed in April
Lake Zurich, 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).
Average humidity in April
Lake Zurich, 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%).
Average rainfall in April
Lake Zurich, 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").
Average rainfall days in April
Lake Zurich, 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).
Average snowfall in April
Lake Zurich, 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").
Average snowfall days in April
Lake Zurich, 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).
Average daylight in April /
Average sunshine in April
Lake Zurich, IL
- Average daylight in April: 13h and 24min
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 30min
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).
Average sunshine days in April
Lake Zurich, 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).
Average UV index in April
Lake Zurich, 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).
Average cloud cover in April
Lake Zurich, 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).
Average visibility in April
Lake Zurich, 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).





