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 transition to April introduces an increase in the average high-temperature, shifting from a chilly 42.8°F (6°C) in March to a cool 53.6°F (12°C). In April, the average low-temperature records at a wintry 38.8°F (3.8°C) during the nights.Humidity
In April, the average relative humidity in Round Lake Park, Illinois, is 76%.Rainfall
The month with the most rainfall in Round Lake Park is April, when the rain falls for 14.8 days and typically aggregates up to 2.72" (69mm) of precipitation.Snowfall
Months with snowfall in Round Lake Park are January through May, October through December. In April, in Round Lake Park, Illinois, it is snowing for 2.5 days. Throughout April, 1.61" (41mm) of snow is accumulated. In Round Lake Park, Illinois, during the entire year, snow falls for 49.5 days and aggregates up to 13.54" (344mm) of snow.Daylight
The average length of the day in April in Round Lake Park is 13h and 24min.On the first day of April, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:51 pm CDT.
Sunshine
In Round Lake Park, the average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Round Lake Park in April?
What is the average humidity in April in Round Lake Park?
What is the wettest month in Round Lake Park?
How much does it rain in Round Lake Park in April?
How many days does it snow in April in Round Lake Park?
What is the average length of the day in April in Round Lake Park?
When are sunrise and sunset in April in Round Lake Park?
How many hours of sunshine does Round Lake Park have in April?
How high is the UV index in April in Round Lake Park?
Average temperature in April
Round Lake Park, IL
- Average high temperature in April: 53.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 38.8°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 (16.5°F).
Average pressure in April
Round Lake Park, IL
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Round Lake Park, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Round Lake Park, IL
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Round Lake Park, IL
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in April
Round Lake Park, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in April
Round Lake Park, IL
- Average snowfall in April: 1.61"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Round Lake Park, IL
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Round Lake Park, 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 6min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Round Lake Park, IL
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Round Lake Park, IL
- Average UV index in April: 3
The months with the highest UV index are 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
Round Lake Park, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in April
Round Lake Park, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Round Lake Park, Illinois, USA
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