April weather forecastMilan, IL
April
Weather in April
April is a refreshing spring month in Milan, Illinois, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59°F (15°C).Temperature
Noticing a change, the average high-temperature during April moves from March's frosty 46.9°F (8.3°C) to a moderate 59°F (15°C). During April, the nighttime temperature averages of 42.4°F (5.8°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Milan, Illinois, during April, the rain falls for 8.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 75.2 rainfall days, and 5.79" (147mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Milan. April is the last month it regularly snows. During 0.3 snowfall days, in April, Milan aggregates 0.2" (5mm) of snow. Throughout the year, there are 18.4 snowfall days, and 2.64" (67mm) of snow is accumulated.Daylight
In Milan, the average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:43 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:59 pm CDT.
Sunshine
In Milan, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in April translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Milan, IL
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in April
Milan, IL
- 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
Milan, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in April
Milan, IL
- Average humidity in April: 74%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Milan, IL
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in April
Milan, IL
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in April
Milan, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Milan, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 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
Milan, IL
- Average daylight in April: 13h and 24min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Milan, IL
- Average sunshine days in April: 19.6 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (15.4 days).
Average UV index in April
Milan, 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 January (UV index 1).
Average cloud cover in April
Milan, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Milan, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
