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
Standard's transition into April is marked by a rise in the average high-temperature, advancing from a chilly 47.1°F (8.4°C) in March to a mild 59°F (15°C). Standard throughout April, experiences an average nighttime temperature of 42.4°F (5.8°C).Humidity
In Standard, the average relative humidity in April is 74%.Rainfall
In Standard, in April, during 17.1 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, there are 152.7 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Standard. During 1.4 snowfall days, in April, Standard aggregates 1.22" (31mm) of snow. In Standard, during the entire year, snow falls for 39.5 days and aggregates up to 15.31" (389mm) of snow.Daylight
In April, the average length of the day is 13h and 21min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of April, in Standard, sunrise is at 5:54 am and sunset at 7:53 pm CDT.
Sunshine
In Standard, the average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April in Standard, Illinois, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Standard in April?
What is the average humidity in April in Standard?
How many days does it rain in April in Standard?
What is the last month it snows in Standard?
What is the average length of the day in April in Standard?
When are sunrise and sunset in April in Standard?
How long on average sun shines in April in Standard?
What is the UV index intensity in April in Standard?
Average temperature in April
Standard, IL
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 42.4°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 (16.9°F).
Average pressure in April
Standard, 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
Standard, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Standard, 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 (72%).
Average rainfall in April
Standard, IL
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days in April
Standard, IL
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in April
Standard, IL
- Average snowfall in April: 1.22"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Standard, IL
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Standard, 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 18min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Standard, IL
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in April
Standard, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Standard, 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 32).
Average visibility in April
Standard, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Standard, Illinois, USA
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