April weather forecastMarengo, IL
April
Weather in April
April in Marengo, Illinois, is a refreshing spring month, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 38.8°F (3.8°C).Temperature
With the onset of April, Marengo experiences a temperature shift, with the average high-temperature moving from a frosty 43.7°F (6.5°C) in March to a moderate 55.6°F (13.1°C). In the month of April, the nighttime temperature dips to a steady average of 38.8°F (3.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Marengo, in April, it is raining for 16.3 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, there are 154.6 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2 snowfall days, in April, Marengo aggregates 1.81" (46mm) of snow. In Marengo, Illinois, during the entire year, snow falls for 44.9 days and aggregates up to 17.24" (438mm) of snow.Daylight
In April, the average length of the day is 13h and 24min.On the first day of April in Marengo, sunrise is at 6:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:53 pm CDT.
Sunshine
In Marengo, the average sunshine in April is 7.4h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Marengo, IL
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in April
Marengo, 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
Marengo, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Marengo, IL
- Average humidity in April: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Marengo, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is June (4.21").
The driest months (with the least rainfall) are February and November (1.5").
Average rainfall days in April
Marengo, IL
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in April
Marengo, IL
- Average snowfall in April: 1.81"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Marengo, IL
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Marengo, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Marengo, IL
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in April
Marengo, 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
Marengo, 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 August and September (Cloud cover 35).
Average visibility in April
Marengo, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
