April weather forecastTinley Park, IL
April
Weather in April
The complete transition into spring is prevalent throughout Tinley Park in April. The city shows traces of reviving nature and life, freed from the chill of winter. Rainfall is common as the month serves as a preparatory period for the upcoming warm season. An upsurge in sunshine hours rejuvenates the city with vibrant energy. Temperatures in April display an appreciable increase oscillating from 57°F (13.9°C) to 41.7°F (5.4°C).Temperature
April brings a temperature change, with average high-temperatures moving from March's frosty 45.9°F (7.7°C) to a refreshing 57°F (13.9°C). In the month of April, Tinley Park's average low-temperature falls to an icy 41.7°F (5.4°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Tinley Park, Illinois, during April, the rain falls for 12.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 111.8 rainfall days, and 11.18" (284mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Tinley Park aggregates 0.71" (18mm) of snow. In Tinley Park, during the entire year, snow falls for 34.2 days and aggregates up to 4.8" (122mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:48 pm CDT.
Sunshine
In Tinley Park, the average sunshine in April is 7.5h.UV index
In Tinley Park, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tinley Park, IL
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in April
Tinley Park, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Tinley Park, IL
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Tinley Park, IL
- Average humidity in April: 75%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Tinley Park, IL
- Average rainfall in April: 1.14"
The wettest month (with the highest rainfall) is May (1.54").
The driest months (with the least rainfall) are January, February and December (0.55").
Average rainfall days in April
Tinley Park, IL
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in April
Tinley Park, IL
- Average snowfall in April: 0.71"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Tinley Park, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.3 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
Tinley Park, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Tinley Park, IL
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in April
Tinley Park, IL
- Average UV index in April: 3
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
Tinley Park, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Tinley Park, 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).





