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 average high-temperature increases in April, moving from a frosty 46°F (7.8°C) in March to a mild 58.1°F (14.5°C). Deer Grove experiences a mean low-temperature of 41.9°F (5.5°C) during April.Humidity
The average relative humidity in April is 75%.Rainfall
In Deer Grove, during April, the rain falls for 12.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Deer Grove, during the entire year, the rain falls for 114.5 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Deer Grove. During 0.9 snowfall days, in April, Deer Grove aggregates 0.35" (9mm) of snow. In Deer Grove, during the entire year, snow falls for 31.5 days and aggregates up to 5.2" (132mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:24 pm. On the last day of April, sunrise is at 5:55 am and sunset at 7:56 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
In Deer Grove, Illinois, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Deer Grove have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Deer Grove have in April?
What is the UV index reading in April?
Average temperature in April
Deer Grove, IL
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 41.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in April
Deer Grove, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Deer Grove, IL
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Deer Grove, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Deer Grove, IL
- Average rainfall in April: 1.46"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Deer Grove, IL
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Deer Grove, IL
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Deer Grove, IL
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (10.1 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
Deer Grove, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Deer Grove, IL
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in April
Deer Grove, IL
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Deer Grove, IL
- 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 September (Cloud cover 32).
Average visibility in April
Deer Grove, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Deer Grove, Illinois, USA
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