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
Downers Grove's transition into April brings a rise in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in March to a moderate 56.1°F (13.4°C). Downers Grove cools down to an average low-temperature of 39.9°F (4.4°C) throughout the month of April.Humidity
In Downers Grove, the average relative humidity in April is 76%.Rainfall
In Downers Grove, during April, the rain falls for 16 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Downers Grove, during the entire year, the rain falls for 142.5 days and collects up to 28.27" (718mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.6 snowfall days, in April, Downers Grove aggregates 0.63" (16mm) of snow. Throughout the year, there are 43.2 snowfall days, and 17.17" (436mm) of snow is accumulated.Daylight
In Downers Grove, the average length of the day in April is 13h and 24min.On the first day of April in Downers Grove, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:03 pm CDT.
Sunshine
In Downers Grove, the average sunshine in April is 7.5h.UV index
In Downers Grove, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 4 in April leads to these guidelines:
Take precautions - Protection against sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April in Downers Grove?
What is the UV index reading in April?
Average temperature in April
Downers Grove, IA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in April
Downers Grove, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Downers Grove, IA
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in April
Downers Grove, IA
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Downers Grove, IA
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is May (4.25").
The driest months (with the least rainfall) are January and February (1.26").
Average rainfall days in April
Downers Grove, IA
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in April
Downers Grove, IA
- Average snowfall in April: 0.63"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Downers Grove, IA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (12.1 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
Downers Grove, IA
- 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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Downers Grove, IA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in April
Downers Grove, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Downers Grove, IA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Downers Grove, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Downers Grove, Iowa, USA
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