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
The onset of April marks an increase in the average high-temperature, moving from a chilly 43.7°F (6.5°C) in March to a moderate 55.6°F (13.1°C). During April, Marengo witnesses a consistent average low-temperature of 38.8°F (3.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
In April, the rain falls for 16.3 days. Throughout April, 3.54" (90mm) of precipitation is accumulated. In Marengo, Illinois, during the entire year, the rain falls for 154.6 days and collects up to 30.31" (770mm) of precipitation.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, 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, Illinois, 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 April, the average sunshine is 7.4h.UV index
The average daily maximum UV index in April in Marengo is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average April temperature in Marengo?
What is the average humidity in April in Marengo?
How many days does it rain in April in Marengo?
What is the last month it snows in Marengo?
How many hours of daylight does Marengo have in April?
When is the sunrise / sunset in April in Marengo?
How long on average sun shines in April in Marengo?
What is the UV index reading in April in Marengo?
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 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 2min
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).
Marengo, Illinois, USA
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