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 beginning of April marks a shift in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a moderate 59.5°F (15.3°C). An average low-temperature of 43.7°F (6.5°C) is expected during April.Humidity
In Delrey, the average relative humidity in April is 74%.Rainfall
In Delrey, during April, the rain falls for 13.4 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 130.7 rainfall days, and 17.13" (435mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Delrey. April is the last month it regularly snows in Delrey. During 0.8 snowfall days, in April, Delrey aggregates 0.79" (20mm) of snow. Throughout the year, in Delrey, there are 30.7 snowfall days, and 8.19" (208mm) of snow is accumulated.Daylight
In Delrey, the average length of the day in April is 13h and 19min.On the first day of April in Delrey, Illinois, sunrise is at 6:34 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In Delrey, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are April temperatures in Delrey?
What is the average humidity in April in Delrey?
How many days does it rain in April in Delrey?
What is the last month it snows in Delrey?
What is the average length of the day in April in Delrey?
When is the sunrise / sunset in April in Delrey?
How many hours of sunshine does Delrey have in April?
How high is the UV index in April in Delrey?
Average temperature in April
Delrey, IL
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in April
Delrey, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Delrey, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Delrey, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Delrey, IL
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days in April
Delrey, IL
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall in April
Delrey, IL
- Average snowfall in April: 0.79"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Delrey, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.6 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
Delrey, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Delrey, IL
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Delrey, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Delrey, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in April
Delrey, 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).
Delrey, Illinois, USA
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