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
As March transitions into April, a change in temperatures is observed, with average highs moving from a frosty 44.2°F (6.8°C) to a cool 55.2°F (12.9°C). The temperature lowers to an average of 41.2°F (5.1°C) during April nights.Humidity
In April, the average relative humidity is 75%.Rainfall
In April, in Palos Heights, the rain falls for 15.1 days. Throughout April, 2.32" (59mm) of precipitation is accumulated. Throughout the year, in Palos Heights, Illinois, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
Months with snowfall in Palos Heights, Illinois, are January through April, October through December. April is the last month it regularly snows in Palos Heights, Illinois. During 2.3 snowfall days, in April, Palos Heights aggregates 1.89" (48mm) of snow. In Palos Heights, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) of snow.Daylight
In Palos Heights, the average length of the day in April is 13h and 22min.On the first day of April in Palos Heights, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:48 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 in April translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are April temperatures in Palos Heights?
What is the average humidity in April in Palos Heights?
How much does it rain in Palos Heights in April?
What is the last month it snows in Palos Heights?
How many hours of daylight does Palos Heights have in April?
When is the sunrise / sunset in April in Palos Heights?
How long on average sun shines in April in Palos Heights?
What is the UV index reading in April in Palos Heights?
Average temperature in April
Palos Heights, IL
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Palos Heights, 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
Palos Heights, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Palos Heights, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Palos Heights, IL
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in April
Palos Heights, IL
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Palos Heights, IL
- Average snowfall in April: 1.89"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Palos Heights, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (11.8 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
Palos Heights, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Palos Heights, IL
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in April
Palos Heights, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Palos Heights, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Palos Heights, 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).
Palos Heights, Illinois, USA
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